"Complaint water will not dispense from the door. Just replace the water filter only a month ago. Had great water pressure until a couple days ago. I found filter is completely clogged. Has black sediment coming out of the filter after shaking it. Filter is completely clogged. Customer does have lower than expected. Water pressure. Customer has a piercing valve installed behind the refrigerator, we do not recommend that style valve ever be used because it creates a water restriction. I removed water filter unit had full water pressure low. Still lower than expected, but is dispensing perfectly fine out of door. I replaced water valve assembly anyways. No change in water pressure. No additional issues found with refrigerator. Unit has been making ice. ice bin is completely full. Customer did state that the last time she change the water filter she did notice water on her floor. Upon arrival there was no water on the floor and floor was completely dry. No indication of where water may have come from. Instructed customer to keep an eye on water on the floor issues if she notices water on the floor customer to immediately call for service if it is from the refrigerator customer stated water was underneath of the refrigerator and all around refrigerator.; dspstn on spec-tagged invntry: 1 WPW10341320 VALVE"

"Checked over unit and found fridge not cooling and freezer semi cold but not freezing items, found ice building up on evaporator panel also found no fan running and air inlets to fridge frozen over not allowing air to flow. Removed cover and found freezer wire harness not plugged in causing no fan no heater and ice to build up, melted ice and plugged harness in, fan motor now running and air now circulating heater operating for a defrost cycle and all other operations now working to specs"

"Complaint dryer, making a burning smell. I found dryer vent was not connected at all. Burning smell was caused by brand new element. Never being used before coupled with the vent not being connected. No safety issues found with dryer today. Tested wash machine as well. no leaking found with washing machine. No additional issues found at this time. dryer was dented, creating a vibrating noise. Hi adjusted back cover of dryer, eliminating vibration. Noise."

"Installed new fuse and interlock all checks ok. ; dspstn on spec-tagged invntry: 1 W11244490 INTERLOCK SP W11245251 and 1 WPM0805101 FUSE,MONITOR 20A"

"Customer had broken adjuster, replaced adjusters from ts. Reassembled and took pictures. Verified operation. ; used 1 W10712395 (ADJUSTER) from stock"

"Installed new thermal fuse and cycled, tested fine.; used 1 WP3392519 (THERMAL FUSE) from stock"

Dryer not starting. Found broken door switch. Replace and all checks ok. ; used 1 WPW10569603 (DOOR SWITCH) from stock

Did bearing test by removing bolt on rotor. Basket was completely free to move and not stable. Basket bearing will need to be replaced. Basket is no longer available.

Observed broken door catch and bezel. Went into diagnostics and got f7e7 error code. Visual inspected rotor and motor. Rotor is missing screw that holds it to motor. Ordering door latch bezel rotor and screw.; ordrng 1 W11394572 (Door latch) and 1 W11545554 (Bezel) and 1 W10752189 (Rotor screw) and 1 W10915701 (Rotor)

F6e3 code displayed on user interface. Error code pertaining communication between user interface and control board. Ordering both boards; ordrng 1 W11591400 (User interface) and 1 W11632339 (Control board)

Freezer dispenser door needs two techs to installed the area is confined and the wires on the bottom need to be feed thru a hole in the hinge to hook them up; O-emld tckt

Checked unit found control would not go into component test also error code for latch ordering control and latch; rqstng P&A on 1 W11322901 (Control) and 1 W11565030 (Latch)

Customer states clothes come out wet an the unit keeps filling with water while in standby. Customer unplugged washer and cut water off. Plugged unit back in and placed unit into drain spin to get the standing water out of the machine. Turned water on and ran a diagnostic cycle unit is showing an overflow error. Found unit to have a stuck hot water valve causing the unit to continuously fill.; ordrng 1 W11316255 (Valve)

"Cx complaint that the unit is not starting. I inspected the unit to confirm the complaint. I found the control panel says close door. I checked the interlock switch, it was popped out of position. I corrected the position and tested the unit for the cx. The unit is working as designed."

"Tested unit and found machine filling up ice bin with water and freezing it up causing it to be a big block of ice, cycled ice maker and found when filling unit would over flow from back fill tube. Removed ice maker and found fill clogged up causing the over flow, removed clog and cycled ice maker again, unit now filling properly. Checked water valve for leaking and it seems to be holding advised customer looks like its ok let unit make ice for 24 hrs and go from there"

Cx complaint that the units burners are intermittent. I inspected the unit to confirm the complaint. All burners turned on with no issues but they did not get orange even on high. I waited 10 minutes and two of them (LF & RR) eventually turned orange. The cx said this has been an ongoing issue with all burners. Im ordering new element coils to resolve the issue.; ordrng 2 W11396792 (Element coil)s and 2 W11396790 (Element coil)s

Compressor not coming on lost complete cooling getting power to inverter board ; ordrng 1 W11599968 (Compressor) and 1 W11109499 (Filter dryer) and 1 W11592037 (Overlay) and 1 W11592058 (Thermostat) and 1 W11598145 (Inverter)

"Customer complained unit heating like she wanted. Found unit was heating writhing range with average temp of 403° set at 405° informed customer unit is working as designed, to check owners Manuel for more information. Informed her that metal thermometers wont work and to no open door when preheating. Verified proper operation."

"Cx complaint that the unit is not finishing cycles. I inspected the unit to confirm the complaint. I found error codes: f7e1 f2e1. I checked under the unit and found the cam wheel loose and the belt shredding. I tightened the cam the ran a service and calibration cycle, the cam still slips. The control is intermittent in response as well. The unit needs a new cam, belt and control to resolve the issue, Im ordering the parts for the return visit.; ordrng 1 W10721967 (Clutch) and 1 WPW10427633 (Shield) and 1 W11603810 (Control)"

"Cx complaint that the unit is violently shaking. I inspected the unit to confirm the complaint. I found no error codes. The unit was wobbling, I even the feet to make it steady. I ran a service cycle, all components passed with no issues. The suspension rods are a little more loose than normal Contributing to the aggressive shaking. Im ordering the suspension rods for the return visit.; ordrng 1 W11130362 (Suspension rods)"

Found d bottom of right side fresh food door damaged causing door not to close properly. Needs new door and cam. Customer would like new air filter. ; ordrng 1 W10311524 (Filter) and 1 LW10865738 (Fresh food door)

Observed yoke is stripped on auger motor. It turns loosely by hand; ordrng 1 W11671282 (Auger motor) and 1 WP63052-2 (Yoke)

I called into techline as instructed to document the issue. The track arm is not a replaceable part. The unit can not be repaired.Sr7736750316

Complaint that the unit has marks on the cooktop. Found no cracks nor discoloration on the glass. Was able to remove some of the spots on the glass with just water and paper towel. Showed customer how the marks could be removed and that they are not permanent. Mentioned to the customer that the glass just needed proper cleaning. No parts needed to be ordered.

Cx complaint that the top rack will not stay in place. I inspected the unit to confirm the complaint. I found the clip at the end of the rack has separated not allowing it to stay in place. The rail clips need to be replaced. Im ordering the parts for the return visit.; ordrng 2 WP8565925 (Upper rack stop)s and 2 WPW10508950 (Rack stops)s

Came to install fill tube heater. Found fill tube is clear and heater ohms out. Found open facia heater and water valve not opening when calling for water. Found this happening with both water and ice. Removed filter and tested. Water now dispensing but is chattering. Pressure high. Order regulator kit and facia. ; ordrng 1 W11637688 (Facia) and 1 W10786952 (Regulator) and 1 8212547RP (Pex line)

Error code f1e0. Error code indicates control board needs to be replaced. Issue due to infestation of pests on control board. Customer was not able to verify warranty and refuse to pay.

Screws was loose on oven door. Tighten screws and replaced glass

"Tested dryer and found unit running but would not heat, checked voltage and found 240v at terminal block and 120 on each leg, checked thermal fuses and found good checked heater and found faulty. Replaced bad heater and lubed rollers Vivian vacuumed out unit and ran a cycle, machine now heating and operating to specs ; used 1 WP8544771 (ELEMENT) from stock"

"Tested dryer and found unit had stopped working again and would not power on, checked power to unit and 240v present to terminal block ohmed out fuses and white fuse had blown again. Replaced fuse and checked heater wile unit was running, found machine sending proper power to heater but heat now not cycling on and off, replaced cycling thermostat checked venting and found clear ran a cycle and watched heater. Unit is now cycling heat and operating to specs ; used 1 279816 (Tml cutoff), and 1 WP3392519 (THERMAL FUSE) from stock"

"Checked over machine and found sensing light just blinking and customer unable to get unit started. Canceled out unit and explained all functions to customer advised unit needs to be activated to start otherwise it will not work, ran machine with clothes and all functions are working to specs ; dspstn on spec-tagged invntry: 1 W10919003 DRAIN PUMP"

Complaint washer making a loud squealing noise every wash even empty. I found drive belt slipping is the cause of the squealing noise. I replaced drive belt and performed a calibration cycle no additional noises or abnormalities found. ; used 1 WPW10006384 (BELT) from stock

Installed new control Ui and harness unit is fully operational.; dspstn on spec-tagged invntry: 1 W11170612 HARNS-WIRE and 1 WPW10769076 CNTRL-ELEC

Installed new heater took pics of the surrounding areas. Unit is fully operational with no leaks. Left parts with customer in case of damage claims.; dspstn on spec-tagged invntry: 1 W11537778 HEATER W/NUTS

"F7e2, f0e2, F0e5Mcu over temp, says to look for obstruction between tub and basket, spins freely.Oversuds.Off balance load.Cleared history.Ran quick diagnostic cycle, motor is not running.All other functions ran properly.No voltage coming from acu, motor tested properly with ~13ohms on each winding.Quoted for acu/labor. Will think it over, collected for service call"

"Unit does not want to go into diagnostics, took ~20 attempts to get in once and about same second time(worked fine when using different set of keys)F5e4, f2e1 errors in historyLid not open between cycles, stuck key.Cleared errors and ran test cycle said all tests passed, but found f5e4 error again, cleared and ran test again.Same error again. All keys worked in button test.Quoted for door lock, approved, bezel mount broke screwing in door lock, used longer screw that goes all the way through to mount and make usable.Gave option to replaced bezel for part plus return labor. Customer was ok with it as is.; used 1 W10861642 (DOOR LOCK) from stock"

"Under 1yr warranty per service bench.Fr light has been staying off because of frost build up on switch. Found top of freezer door seal with small gap, reformed seal and sealing fully. Advised to leave closed through night to allow to reform"

F3e2 error code bake over temp when turned on power to unit bake heating up with not being selected relay sticking on control quoted for new white control

Replaced compressor vacuumed system recharged with 5.5 oz r134a set temps at recommended started cooling ; used 1 W11506635 (COUPLER 6 NF MS SV) from stock

"Ran diagnostics, found long fill error. Put in manual test cycle, actuated valve. No water coming in. Found water turned off at wall. Turned water on, tested, operating properly."

"Unit getting no power, checked fuse and replaced still no power. Will order transformer, magnetron and diode as customer said before unit went out it would not heat up things. Called safety to document, SR#7736711501; ordrng 1 W11256462 (diode) and 1 W11391712 (Magnetron) and 1 W11545871 (Transformer)"

"Inspected and found new ice maker is getting proper voltage but not sending voltage for heater to thaw cubes for ejection, defective ice maker. Will order again and call with return date. Ice maker will be sent back for credit after next visit.; rqstng P&A on 1 W11517113 (Ice maker)"

Customers complaint is refrigerator is loud. Inspected and found all sounds normal. Fans and compressor running as should.

"Tested unit unable to verify customer complaint not cooling on both sides, temperatures check normal 37 if fridge and 03 in freezer, condenser fairly clean only water filter need replace. Customer instruct to replace water filter, unit check working normal."

"Check unit as per customer complaint, found door lock not closing because weight was added to door lid pushing the middle dawn causing the door strike to be out of alignment. I push up middle of lid back in original position and close lid then check door lock locking on operations desire cycle.; dspstn on spec-tagged invntry: 1 W11395618 CAPACITOR/INTER COIL"

Installed new UI panel and reset controls.

Replaced broken belt; used 1 341241 (BELT) from stock

"Installed new main control and lid lock assembly. All ok. No error codes, ran DLMS calibration cycle. ; dspstn on spec-tagged invntry: 1 W11394572 DOOR LOCK"

Found unit has a leak in the sealed system. Unit not cooling properly and ice ball at evaporator. Will need a new compressor and filter drier. Parts and labor covered by manufacturer. ; ordrng 1 WPW10507886 (COMPRESSOR )

Found unit has a leak in the sealed system and would need a compressor and possibly evaporator. Quoted for parts and labor. Customer to buy a new unit.

Found customer was using extra power feature of washer and customer was not aware that this would cause minimal water at start of cycle. Instructed customer on usage.

"Found broken blower wheel and unable to remove from motor shaft. Replaced both motor and blower. All ok; used 1 WP694089 (BLOWER WHEEL), and 1 279827 (MOTOR) from stock"

Unit has a defrost issue where the freezer evaporator is frozen over and unable to remove. Cover is not available and it is suspected that the defrost heater has failed or the drain is frozen. Customer to buy a new unit.

"Complaint, lower oven is not heating center burner on cooktop is not igniting. I found center burner on cooktop was going over with some kind of a cleaning solution may have been baking soda cannot tell it was a white gelatinous substance. I found big flat bar ignitor in lower oven was open resistance igniter had failed. I replaced flat bar. Glo ignitor tested operations of entire cooktop. No gas leaks. Found all burners are working properly. Both ovens are preheating just fine. No additional issues found. ; used 1 12400035 (IGNITOR FLAT) from stock"

"Found unit not defrosting properly. Checked and found heater circuit open. Quoted for new thermostat and heater. ; ordrng 1 5303918410 (Heater, defrost) and 1 242046001 (Thermostat)"

"Unit has iced over Evap cover in rf.Sensors pass in diagnostics, I set defrost to 8 hour instead of adc.Cleared Evap cover and pulled off cover, Evap is frozen over completely.Steamed clear thoroughly, tested the pair of thermistors and they read 3.7 & 3.6k ohms so readings are equal in equal temps. Drip tray is not warped, Evap position is good, thermistor positioned correctly.Possible door open started build up, cs to monitor."

Found leaking from door due to oversudsing. All suds removed. Cycled unit and verified no leaks. All functions check ok. Instructed customer on proper detergent use and loading.

Found no problem with unit. Issue is with power supply. Reading 122v at each leg from neutral but 0v across L1-L2. This is an electrical issue in the home. Customer will need to have electrical issue resolved. Job Cmpltd

"Inspected and found loose spring on seal, tightened and cycled, tested fine."

"I installed the ordered parts and tested the unit for the cx. The unit is struggling to go up by itself. I can hear friction coming from the track. The frame housing of the unit is slightly bent forward. The combination of the two is most likely causing the issue of is not going up and down by itself. Techline is closed for the day ( its past 6pm), I want to call in because the parts that are needed are not available to order. The unit is beyond repair."

Cx complaint that the unit is not making ice. I inspected the unit to confirm the complaint. I found there to be plenty of ice in the ice bin. I removed the IM and found a small amount of ice in the fill tube. I removed the ice and tested the IM for the cx. The ice bin is a solid block of ice at the bottom from the fill tube leaking water. Im ordering the water valve to resolve the leak.; ordrng 1 W11233375 (Water valve)

"Arrived and attempted to replace fan motor, but part is not wired properly to adapt to existing set up, terminal in wrong receptacle, part number is correct and magic chef sent image to customer of exact same part number. Spoke with Brian and will issue a refund. Customer will call office. Then customer going to call manufacturer about issue."

Found customer had not fully inserted the water filter into the housing. This caused the unit to not fill the ice maker properly. No parts needed and water line for dispenser is still broken.

"Inspected and found ice maker stuck mid cycled and broken, replaced ice maker and new ice maker defective, sending part back for credit and ordering another ice maker. will submit And call for return date.; rqstng P&A on 1 Wpw10300024 (Ice maker), states that autho needed"

"Found porcelain of upper oven chipped and not repairable unit was installed the last week of may. I called technical support and spoke with Austin with SR#7736741343Spoke with Lanie whirlpool care and she is sending it over to replacement dept. I told her we cannot repair chipped porcelain This unit is unrepairable needs to be changed out. All operations are normal, however, the customer isnt happy with the cosmetic damage she wants it replaced(Call complete)"

"Checked over machine and and found when unit would go to into a spin unit would pull clothes to front and start banging, found unit not level and tipped forward causing tub to hit cabinet, adjusted legs to level tub ran unit with clothes and found unit now spinning properly. Adjusted drain hose so it did not hit back of cabinet gave customer Ed on noises unit will make and what is normal, all operations now working to specs"

I installed the ordered part and tested the unit for the cx by turning it on. There are no water lines hooked up at the moment. The unit turn d on fine with no issues.

"Cx complaint that the unit is rattling loud while the unit runs. I inspected the unit to confirm the complaint. The unit is cooling fine. The fan is not making noise at the moment. The cx has a video of the noise, its the evap fan hitting ice. There is heavy ice on the evap. The evap fan is working fine, the unit is having trouble defrosting. Im ordering a new control and temp sensor to resolve the issue. Ill remove any remaining ice from the cap cover on the return visit.; ordrng 1 W11359415 (Temp sensor) and 1 W11604678 (Control assembly)"

Replaced ice chute door tested operation normal advised cust to observe for condensation

"Cx complaint that the units lights are not working. I inspected the unit to confirm the complaint. I found the door switches are working fine, they have good continuity. The cx has some replacement bulbs in now. I think the replacement bulbs are not compatible. I recommended he get some bulbs designed for the manufacturer. This is the second unit of two so the service fee was paid for.; dspstn on spec-tagged invntry: 1 W11384469 LIGHT SWITCH"

"Inspected and found lid lock strike broken, replaced and cycled, tested fine.; used 1 W11457841 (STRIKE) from stock"

"Cs says unit intermittently turns fan and light on/off.Could not replicate.Went into diagnostics and hi lo light and fan working fine, light and fan button operating fine.Total hinge above cooktop 32.5,16.5 clearance.Contacted techline to document.Sr#7736740139Quoted for main control/labor denied. Trip covered by authorization."

"Unit was leaking into fridge, found sheet of ice in freezer and frozen drain tray. Steamed clear drain and draining fine.Sd had froze, so had office do payment of $199 ref 503767290"

"Customer complained unit just kept filling and draining. Upon arrival ran water and found cold and hot were backwards. Arranged hoses to proper valves. Found overfill error. Took off pressure hose and no holes in hose or obstructions in hose. And hose is properly connected to board and tub with no obstructions in tub. Ran service mode and all functions working properly. Valves are cutting off when not energized. Drain pump is working and unit can drain without drain pipe overfilling. Ran unit in quick wash to test pressure transducer , found control board needs replaced because of faulty pressure transducer. Ordering control board. Informed customer office will call when part comes in. ; ordrng 1 W11626074 (Control board)"

Found unit has a bad door seal and need to be replaced. Quoted 169.99 plus $239 for labor. Cust will call if desired. Balance due would be $270.61 if called within 7 days.

Found left side lid hinge slightly bent and not striking lid lock properly. This was causing intermittent wash and spin actions. Adjusted hinge for more positive contact with lid safety. All checks okay.

"Replaced Evap,fan and unit was in defrost, reassembled icemaker, dispenser motor and venting, unit came out of defrost and verified Evap fan is blowing.Per office there was no additional charge for fan as it was an incorrect part."

"Inspected and found frost and ice built up in freezer, cleared frost out and adjusted door. Tested fine."

Unit will not go into cycle due to a faulty capacitor. Replaced capacitor ran a rinse spin. Unit is fully operational.; used 1 W11395618 (Capacitor.) from stock

Found heater shorted out needs to be replaced part # WP3387747 replaced heater checked all components of dryer operating normally ran dryer unit ran and checked ok(Call complete; used 1 WP3387747 (Heater) from stock

"Installed new motor, shield, and shield screws. Ran calibration. Unit functions as it should."

"Found where the drain line was left loose I had pushed it up in the hole from cabinet to dishwasher and it fell and apparently there was water still in the line it covered bottom of sink cabinet partially and she said some ran out in floor which I never seen. All water is out of tub, all water is out of drain line, supply line is connected to water valve on dishwasher no leaks there.. this unit is completely dry and the water damage will dry out in my opinion not enough water to warp floor or sink cabinet floor. When it dries it will be just fine. Customer is having new dishwasher installed tomorrow.(Call complete)"

"Customer had manually defrosted down the refrigerator and was working fine at time of visit. However, some kinda surge went thru and burnt the defrost relay on board and shorted heater out. Im replacing all 3 components to defrost and making this a good repair.; ordrng 1 W11566851 (Main pcb) and 1 W11399989 (Heat probe) and 1 W11650660 (Heater and fan assembly)"

"Came to install parts ordered by previous tech. Installed gearcase, agitator and Washplate, and cam and screw. Reassembled unit and ran calibration and tested all functions in service mode. Verified proper operation. ; dspstn on spec-tagged invntry: 1 W11454372 GEARCASE"

"Customer said u it shorted out and wouldnt start. Also light burnt out. Upon arrival found bad control. Replaced control and found breaker was flipped also. Board shorted and kicked breaker. Unit now working properly. Informed customer she would have to pay for bulb, customer wanted to buy her own bulbs. Verified proper operation."

"Tested unit display F2E2, replace clutch and ran diagnostic and unit check working to specs.; dspstn on spec-tagged invntry: 1 W10754448 CLUTCH"

Customer complained unit not washing and no noise after fill. Upon arrival ran unit and unit filled with water and stopped. Found voltage to sump but sump not energizing. Replaced sump assembly from ts. Reassembled and ran unit and sump now energizing and running properly. Verified proper operation. Unit is out of warranty but has a parts and labor authorization. ; used 1 W11025157 (MOTOR/SUMP) from stock

"Customer complained unit not powering on, upon arrival found lid locked and unit wont respond with no power. Checked incoming power and unit has 120v. Let customer get clothes out of washer by removing top lid section. Too. Picture of model serial as best I could since lid lock is locked closed. Will get better picture on return. Ordering UI and control has already been ordering by pre id but hasnt arrived yet. Informed customer office will. All when parts come in to schedule return call. ; rqstng P&A on 1 W11478526 (Ui), states that autho needed"

Good number 704-576-3694I found the evaporator fan motor not running when it kicked out of defrost and I flipped the freezer door switch and the fan starting working. The unit has a good frost pattern and condenser line is good and hot. The icemaker is still producing ice some of the things in the freezer were frozen the ice cream was not. The freezer door gasket has a tear in the lower left corner. When inspecting compressor I found bugs (see picture) we cannot move forward with any repairs. At this time unit is running and checked okSpoke with Andrew at Wpl tech supportSR#7736736975(Call complete)

Complaint that the right front burner is not igniting. Found igniter wire broken off and rusted out. Replace tip with with new terminal spade cleaned all rust and burner fired right up. Unit working normal.

W11493384 service pointer calls for customer to close the door to specs. Explained to him once again how he should be opening and closing door. He Says he should be able to close the door however he wants. He is aware there is nothing else that can be done as functionally the unit is working as it was designed.

"Installed element, tested ok."

"Checked and found wall switch to dishwasher was off. Turned switch on, tested dishwasher. Started cycle, filled and started properly. Cancelled cycle, drained correctly. Ran diagnostics cycle, completed with no errors or issues. Operating as designed."

"Replaced dispenser assembly, reconnected all hoses. Tested washer and checked for leaks. None found. Washer operating properly."

Checked and found door gasket deformed and not sealing. All other components operating properly. Requesting P&A for door gasket ; rqstng P&A on 1 W10856583 (Door gasket)

"Inspected and found new door has a hole in the gasket and not fully under liner at bottom. Other shelf also has damage. Installed other parts. Reordering door and shelf.; ordrng 1 W11130200 (Shelf) and 1 W11561286 (Freezer door), dspstn on spec-tagged invntry: 1 WP2315549 EVAP MOTOR"

I installed the ordered part and tested the unit for the cx. The unit is working as designed.; dspstn on spec-tagged invntry: 1 W11244490 INTERLOCK SP W11245251

"Cx complaint that the unit is still not cooling well in the FC. I inspected the unit to confirm the complaint. I found the rails have a hard time closing. The light switch is stuck as well. I cycled the IM and it completed the cycle and filled with water. The temp was set to 6 degrees, I changed it to 0. The high FC temp coupled with the door not sealing is causing the cooling issue. I called techline to document the issue. Im ordering the parts for the return visit.Sr7736733978; ordrng 2 WP13055901 (Slide rail)s and 1 W11396033 (Light switch)"

Upon arrival unit is not powered on. Opened oven door unit activates. Found unit is in energy saver mode. Turned off energy saver unit is fully operational.

Washer is leaking from a loose hose connection to the drain pump. Secured connection. Unit is still leaking. Found the stand pipe to be overflowing. Instructed customer to contact a plumber to clear the blockage.