JASC 2121
Service difficulty reports · 4,380
Reports filed under 2121 · Air Distribution Fan, newest first.
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE jasc_code = '2121' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE jasc_code = '2121' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR GLBA96173Blower · failedORD - AFTER TAKEOFF, THE CREW SMELLED SMOKE AND DID AN AIR TURN BACK. MAINTENANCE REMOVED AND REPLACED THE FORWARD VENT BLOWER. OPS NORMAL. (M)SDR 96ZZZX4164Bearing · failedBEARING COMPLETELY DESTROYED. BEARING INSTALLED NEW AND FAILED AFTER 289.80 HOURS OF OPERATION. FAN TRIPPED CIRCUIT BREAKER, IMPELLER OF FAN RUBS ON FAN HOUSING.SDR 96UAL900606Fan · failedSMOKE IN CABIN. GASPER FAN SWITCHED OFF AND SMOKE APPEARED TO DISSIPATE. *S/D* INSPECTED GASPER FAN, FOUND FAN MAKING LOUD NOISE.SDR CALA9601125Air Dist Fan · burned wireSMOKE ENTERED THE COCKPIT AFTER ENGINE START AT IAH. THE PACKS WERE TURNED OFF AND THE ENGINES WERE SHUTDOWN. THE SMOKE WAS ACCOMPANIED BY POPPING AND ARCING IN MAIN ENTRANCE OVERHEAD. INSPECTION OF STA 218 OVERHEAD FOUND WIRE FOR RT HEAT EXCHANGER COOLING SDR DL757961837Cooling Fan · failedON DESCENT INTO CVG, STRONG SMELL OF SMOKE IN COCKPIT. DECLARED EMERGENCY AND LANDED WITH SMELL OF SMOKE REPORTED BY FLT ATTNS FROM FWD-MID-AND AFT SECTIONS OF CABIN. FIRE DEPT REPORTED STRONG SMELL OF SMOKE IN AVIONICS COMPARTMENT UPON GROUND INSPECTION. FSDR 96ZZZX4777Vent Blower · failedCREW REPORTED A LIGHT HAZE IN CABIN AND FLT DK. RETURNED TO FIELD WITH NO FURTHER DIFFICULTIES. THE LIGHT HAZE DISSAPATED WHEN CREW DUMPED CABIN. UPON INITIAL INSPECTION, NO INDICATION OF SMOKE OR FLAMES OF ANY KIND WERE FOUND. ALL CIRCUIT BREAKERS WERE SESDR DL72S961777Fan · inoperativeAFTER TAKEOFF, FLIGHT ATTENDANT REPORTED SMOKE IN CABIN. COMPLIED WITH P.O.M. AND RETURNED TO SFO. (PACK TEMP NORMAL) REPLACED GASPER FAN. OPS CHECK NORMAL.SDR WTAA960152Gasper Fan · failedFAT - ELECTRICAL ODOR REPORTED IN CABIN AND COCKPIT ON GROUND. MAINTENANCE INSPECTED AIRCRAFT. DETERMINED SOURCE TO BE CABIN GASPER FAN. DEFERRED PER MEL 21-24-1. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL WITH REPLACEMENT OF SDR AALA961105Fan · defectiveDFW - FLT 2023 - AFTER TAKEOFF DFW DURING CLIMB-OUT, ELECTRICAL ODOR AND RUMBLING NOISE NOTED IN MAIN CABIN. ODOR DISSIPATED, BUT RUMBLING CONTINUED. AIRCRAFT RETURNED TO DFW AND LANDED WITHOUT INCIDENT. CHECKED BOTH AIR CONDITIONING PACKS AND FAN MOTORS WISDR 96UAL900555Fan · malfunctionedEXHAUST COOLING FAN OFF LIGHT ILLUMINATED ON CLIMBOUT. LIGHT STAYED OFF WHEN SWITCHED TO ALT FAN. LIGHT STAYED ON UNTIL DESCENT WHEN BOTH NORMAL AND ALT FANS WORKED OK.SDR UF6A960706Fan · failedORD - FLT 5716 - PLASTIC BURNING SMELL IN THE COCKPIT. NR 1 RECIRC FAN 'OFF' ILLUMINATED. CHECK LIST COMPLETED. MAINTENANCE OPS CHECKED NR 1 RECIRC FAN FOR TWO HOURS. NO BURNING SMELL NOTICED. SYSTEM OPS CHECK GOOD. (M)SDR UPS96820582Fan · failedINSPECTION TYPE-A+, RECIR FAN FAILED, FILLED AIR COND BAY WITH SMOKE. FLT CREW AND JUMP SEATERS EVACUATED TILL LOCATION OF SMOKE WAS FOUND. PULLED AND COLLARED RECIRC, FAN, C/IS DEFERRED RECIRC FAN PER MEL 21-16 M-112173.SDR RU3A96004Blower Motor · failedTHE CREW REPORTED AN ELECTRICAL BURNING SMELL IN THE CABIN SHORTLY AFTER DEPARTING THE PEORIA, ILL AIRPORT. THEY IMMEDIATELY RECEIVED CLEARANCE TO THE AIRPORT AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AVIONICS EQUIPMENT CABINET AUX AIR CONDITIONING SDR UF6A960701Fan · failedSBN - FLT 5764 - NR 1 AVIONICS FAN AND CWP ILLUMINATED JUST PRIOR TO ROTATION. MAINTENANCE REMOVED AND REPLACED NR 1 AVIONICS COOLING FAN. SYSTEM OPS CHECK GOOD. (M)SDR QXEA9600225Fan · inopPDX - RIGHT PACK OVERHEAT CAS MESSAGE. A HOT PACK SMELL WAS ASSOCIATED WITH CAS MESSAGE. GROUND COOLING FAN REPLACED AND SYSTEM OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 96ZZZX3456Bearing · roughBEARING SHIELD PARTIALLY DISLODGED AND THERE WAS NO GREASE PRESENT. BEARING OPERATES ROUGH, CAUSED FAILURE OF FAN.SDR USAASB96116Fan · failedMCO - FLT 1981 - ON DESCENT TO MCO, CREW NOTICED A VERY STRONG ODOR. SMELLED LIKE HYDRAULIC FLUID ON A HOT DUCT. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT AIR CONDITIONING RECIRCULATING FAN. OPSSDR 96ZZZX3401Bearing · failedBEARING VERY ROUGH CAUSING IMPELLER TO LOCK UP AND FAN PUTS OUT ELECTRICAL SMOKE. BEARING FAILED AFTER 39.01 HOURS OF OPERATION.SDR 96ZZZX3400Bearing · failedBEARING COMPLETELY DESTROYED. BEARING WAS INSTALLED NEW AND FAILED AFTER 69.02 HOURS OF OPERATION. CAUSED FAN TO OPERATE LOUD AND SMELL LIKE IT IS BURNED. IMPELLER LOCKS UP.SDR QXEA9600222Fan · malfunctionedSEA - CAS MESSAGE, NR 1 HX FAN INOP AND SMOKE IN CABIN. NR 1 HX FAN REPLACED AND FAN OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 96UAL900473Fan · failedFLIGHT CREW REPORTED THAT EN ROUTE HAD AN ELECTRICAL SMOKE AND SMELL THROUGHOUT THE CABIN. GALLEY POWER AND GASPER FAN SHUT OFF. SUPPLEMENTAL DATA UPDATE: TROUBLESHOT SYSTEM AND FOUND BURNT BEARINGS ON THE GASPER FAN. REPLACED GASPER FAN. CHECKS O.K.SDR GLBA96132Blower Motor · failedTUS - ELECTRICAL SMOKE IN COCKPIT AFTER ONE HOUR EN ROUTE. FLEW WITH RIGHT GENERATOR AND INVERTER OFF. MX REMOVED AND REPLACED AFT VENT BLOWER MOTOR ASSY WHICH WAS SEIZED AND BURNED. (M)SDR DL757961465Fan · failedELECT SMELL IN AIRCRAFT AND SHORTLY AFTER AN EQUIPMENT COOLING MESSAGE. REPLACED FAN, OPS CHECK GOOD.SDR 96FDEA01159Gasper Fan · failedFLIGHT CREW SMELLED ELECTRICAL INSULATION BURNING IN THE COCKPIT. WE NOTICED THE GASPER FAN CIRCUIT BREAKER OPENED. A FEW MINUTES LATER THE SMELL SUBSIDED. GASPER FAN CIRCUIT BREAKER WAS LEFT OPEN AND GASPER FAN SWITCH TURNED OFF. A/C RELEASED FOR SERVICE SDR 96ZZZX3991Turbo Fan · failedPHX/COS - FLT 2412 - AIR TURNBACK. ON CLIMB-OUT, A/C SYSTEM STARTED BLOWING EXTREMELY HIGH PRESSURE AIR OUT OF ALL AIR DUCTS IN THE COCKPIT. REMOVED AND REPLACED CONTROL CABIN MUFFLER. REMOVED AND REPLACED TURBO FAN. RAN BOTH PACKS WITH ENGINE BLEEDS. FLSDR SWAA960499Fan · failedFLIGHT ATTENDANT NOTED AND REPORTED TO CAPT AN ODOR IN THE CABIN. A UPS PILOT ONBOARD SUGGESTED THAT IT WAS SIMILAR TO THAT OF AN ELECTRICAL SMELL. CREW TURNED GASPER FAN OFF AND SMELL DISSIPATED. THEN SMELL RETURNED, CREW DECLARED AN EMERGENCY. AIRCRAFT LSDR AALA960877Fan · defectiveLHR - FLT 0066 - EN ROUTE ORD/LHR DURING CRUISE, ELECTRICAL ODOR NOTED IN COCKPIT FOLLOWED BY EICAS MESSAGE FOR FORWARD EQUIPMENT COOLING SUPPLY FAN. COOLING SUPPLY FAN CIRCUIT BREAKER POPPED AND ODOR DISAPPEARED. AIRCRAFT PROCEEDED LHR AND LANDED WITHOUT INSDR S2YA960008Blower · failedFLT 1199 - IND-MKE - EN ROUTE THE FLIGHT CREW REPORTED SMOKE IN THE CABIN. THEY MADE AN AIR TURN BACK TO IND TAKING EMERGENCY PRECAUTIONS DURING AND AFTER LANDING. MX WAS CALLED TO INSPECT THE AIRCRAFT AND FOUND THE FWD VENT BLOWER SEIZED, BURNED OR BURNED SSDR REXA96016Recir Fan · failedINBOUND TO INL, PILOT REPORTED SMOKE IN COCKPIT. MECHANIC FOUND RIGHT RECIRCULATIN AT FAULT, AND DEFERRED IT PER MEL 5/20/96. REMOVED AND REPLACED RIGHT RECIRCULATION FAN IAW SAAB AMM 21-22-10. OPS CHECK GOOD 5/22/96. (M)SDR CA960620007Blower Assembly · shorting(CAN) BLOWER ASSEMBLY WAS REMOVED FOR ROUTINE 600 HOUR BENCH CHECK. BEFORE DISASSEMBLY IT WAS NOTED THAT THE LOCKWIRE SECURING THE ASSEMBLY BOLTS WERE HEAT DISCOLOURED. THE BLOWER ONLY USES 28 VDC, IT WAS THOUGHT THAT THE GROUND CONNECTION VIA AIRCRAFT WIRING SDR RAIA960524Fan Blower · overheatDCA - FLT 7742 - SMOKE IN CABIN DURING TAXI. REPLACED AIRCONDITIONING BLOWER FAN MOTOR. (M)SDR HEEA967194Motor · bearing failedBLOWER MOTOR BEARING BAD.SDR CA960424504Cooling Fan · burnt(CAN)SMOKE REPORTED IN COCKPIT & CABIN BEFORE LANDING. EXHAUST COOLING FAN REPLACED.SDR AU960627Blower · faulty(AUS) AIRCONDITIONING SYSTEM FORWARD EVAPORATOR VENT BLOWER FAN FAULTY - SUSPECT BURNT OUT CIRCUITSDR AALA960727Fan · defectiveDFW-DEN - FLT 1295 - DURING CRUISE, ELECTRICAL BURNING ODOR NOTED IN AFT CABIN AREA WITH NO OTHER ABNORMAL INDICATIONS. PRECAUTIONARY TURNED POWER OFF TO REAR GALLEY AND AIRCRAFT PROCEEDED TO DEN, LANDING WITHOUT INCIDENT. PLACARDED AIR CONDITIONING SYSTEM RSDR C2XA96IA095Fan · failedIAH - FLT 3994 - PILOT REPORTED THAT WHILE ON THE GROUND, THERE WAS SMOKE IN THE COCKPIT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE LEFT GROUND COOLING FAN TO BE FAULTING. MAINTENANCE DISPATCHED THE AIRCRAFT BACK TO SERVICE UNDER MEL 21-51-2, OF THE CSDR DLM88960714Fan · failedSTRONG ELECT SMELL AND SMOKE AT PUSHBACK. FOUND RADIO RACK FAN FAILED. REPLACED FAN, OPS NORMAL.SDR 96UAL900227Gasper Fan · failedCREW REPORTED, ELECTRICAL BURNING SMELL IN CABIN AND COCKPIT. REPLACED THE GASPER FAN WHICH HAD CAUSED THE PROBLEM.SDR CA960417508Blower Fan · seized(CAN)BURNING SMELL DETECTED IN COCKPIT, BLOWER AND VENT FANS SHUT OFF. MAINTENANCE FOUND BLOWER FAN SEIZED. DEFECTIVE BLOWER FAN REPLACED.SDR AWXA960130Cooling Fan · failedCMH - FLT 820 - SMELLED ELECTRICAL BURNING ODOR AT CRUISE. FIFTEEN MINUTES LATER, EICAS MESSAGE EQUIPMENT COOLING FAN DISPLAYED. REMOVED AND REPLACED ALTERNATE EQUIPMENT COOLING FAN. (M)SDR DL73E960556Fan · failedSMOKE IN THE COCKPIT AFTER LDG IN ICT, ABOUT THE SAME TIME THE CONTROL CABIN AUG FAN C/B POPPED. CONTRACT MTC INSPECTED FAN AND TESTED A/C SYS, PLACED THE AUG FAN ON MCO. FAN WAS LATER REPLACED.SDR AU960328Valve · faulty(AUS) PRESSURISATION SYSTEM LH FLOW PACK LOW ON FLOW - RH FLOW PACK SOLENOID STICKING CAUSING INTERMITTENT OPERATION - BLEED AIR DUCTFAIL LIGHT WIRE LOOSESDR 96UAL900164Fan · failedELECTRICAL FUMES NOTICED IN CENTER OF CABIN, COULD NOT ISOLATE CAUSE. FOUND GASPER FAN POPPING CIRCUIT BREAKER. REPLACED GASPER FAN. OPERATIONALLY CHECKED OKAY AND NO ODOR NOTICED.SDR 9604242286Fan · overheatedDURING TAXI OUT, A VERY STRONG ODOR WAS OBSERVED WITH SMOKE AT ROW 15A. GASPER FAN CIRCUIT BREAKER POPPED. AIRCRAFT RETURNED TO BLOCKS WITHOUT INCIDENT. VERIFIED GASPER FAN OVERHEATED, DISCONNECTED CANNON PLUG. PLACED ON MEL 21-24, PLACARD NR 411586.SDR 96ZZZX2600Fan Assy · failedPRECAUTIONARY LANDING DUE TO SMOKE COMING FROM BEHIND INSTRUMENT PANEL. FOUND FAN ASSY FAILED.SDR CAL960111Fan · inoperativeFLT NR 1082 - CLE - A SMOKEY ODOR IN REAR OF CABIN WAS REPORTED TWICE DURING FLIGHT. THE AIR WAS CLEARED BOTH TIMES BY USING HIGH POSITION ON BOTH PACKS. MAINTENANCE RAN BOTH PACKS AND INSPECTED THE WATER SEPARATOR BAGS. MAINTENANCE WAS UNABLE TO REPRODUCE SDR USAASB96020Gasper Fan · failedCHS - EN ROUTE MCO-IAD - CREW NOTED ELECTRICAL IN SMELL IN CABIN. FLIGHT DIVERTED TO CHS AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE GASPER FAN. (M)SDR AALA960135Wire · shortedORD - DURING MAINTENANCE TO REPAIR AN INOPERATIVE LT AIR CYCLE MACHINE COOLING FAN PREVIOUSLY PLACARDED INOP AT DFW/24, FOUND COOLING FAN WIRE BUNDLE SHORTED AND BURNED DUE TO CHAFING AT FIRST CLAMP AND BRACKET. REPLACED LT ACM COOLING FAN, REPLACED ELECTRICASDR QXEA9600028Fan · smokingGEG - ELECTRICAL SMOKE SMELL SEEMS TO BE LOCATED IN GALLEY. SMELL LOCATED TO RECIRCULATION SYSTEM. AFT RECIRCULATION FAN REPLACED IAW MAINT MANUAL. FAN OPS CHECKED GOOD.SDR AALA960122Fan · defectiveDFW - FLT NR 1439 - DURING APPROACH TO DFW, SMOKE WITH ELECTRICAL SMELL NOTED IN CABIN. ACCOMPLISHED CHECKLIST AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED GASPER RECIRCULATION FAN. ALSO, CHANGED ALL ACM COALESCER BAGS. ACCOMPLISHED GROUND ENGINE RUN
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