JASC 4920
Service difficulty reports · 2,430
Reports filed under 4920 · APU Core Engine, 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 = '4920' 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 = '4920' 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 DXTA2024020910833Muffler · failedON APPROACH INTO BED THE APU START COMMANDED ON ABOUT A 4-5 MI FINAL AT ABOUT 1500FT AGL. AT 300-400FT AGL A RED APU FIRE CAS ILLUMINATED & AURAL WARNING WAS OVERHEARD. APU FIRE & FIRE EXT 2 SWITCHES PRESSED. APU FIRE CAS EXTINGUISHED & APU WAS OBSERVED WITH SDR CALA2024021300418Apu · odorCREW REPORTED ELECTRICAL BURNING SMELL TOWARDS END OF FLIGHT. CONTACT TOMC A/C EXTENSIVELY EXAMINED, UNABLE TO LOCATE BURNING SMELL. APU STARTED AND AIR CONDITIONING PACKS OPERATED, SMELL WAS VERY OBVIOUS THROUGHOUT A/ C AND FLIGHTDECK WITH AIR CONDITIONING OPSDR DALA2024020201484Plenum · contaminatedAIRCRAFT 3083, DIRTY SOCK SMELL IN FLIGHT DECK AFTER STARTING APU. CORRECTIVE ACTION: FOUND APU PLENUM CONTAMINATED. PERFORMED DECONTAMINATION, OPS TEST GOOD. REPLACED OZONE CONVERTER. (LP 5387118)SDR YENA2024020200221Control Valve · failedFLT#2220, LHR-JFK. (ETOPS) APU MX MSG ON ECAM ( CLASS II MAINTENANCE MESSAGES DISPLAYED ); REMOVED AND REPLACED LOAD CONTROL VALVE IAW AMM 49-51-51. OPS CHECK GOOD. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.SDR FDEA202401260115Apu · failedAFTER CLOSING THE DOORS FOR DEPARTURE, SMELLED ELECTRICAL SMOKE. DISCOVERED SMOKE OF UNKNOWN ORIGIN IN COURIER COMPART & CARGO AREA. APU AUTO SHUTDOWN. NOT SURE IF THE APU SHUTDOWN IS RELATED TO THE SMOKE & ELECTRICAL ODOR. R & R STARTER. OPS CHECK FASDR AALA202401212532Apu · contaminatedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DURING DESCENT INTO DFW DUE TO A STRONG ODOR OF OIL OR HYDRAULICS AT FL 360. NO ASSOCIATED ODOR WAS NOTED IN THE CABIN. AIRCRAFT WAS IN CRUISE FLIGHT WITH ALL SYSTEMS STABLE AT THE TIME OF THE EVENT. THE AIRCRAFSDR HALA20240117021Apu · shutdownETOPS - APU AUTOSHUTDOWN 3 UNSUCCESSFUL STARTS. REMOVED & REPLACED GEV SCAV FILTER PER AMM 49-91-41-960-801. OPS & LEAKS CHK GOOD. OK FOR SVC.SDR NACA2024011500002Apu · shutdownAPU SHUT DOWN TWO TIMES. DEFERRED APU PER MEL 49-11-01 ON 1/15/2024 @ 15:05Z CAT C.SDR NACA2024011500001Apu · shutdownAPU SHUT DOWN TWO TIMES. PERFORMED APU BITE TEST IAW FIM 49-11 FT 958, OPS CHECK GOOD.SDR HALA20240116017Unknown · unknownETOPS - APU AUTO SHUT DOWN. REMOVED AND REPLACED APU OIL FILTERS PER AMM 49-91-41-200-002-A CONDITION SAME REMOVED + REPLACED BOTH DIFFERENTIAL PRESSURE SWITCHES 49-91-14. FILTER CHECK OK. CHECK OF APU GOOD. OKAY FOR SERVICESDR ASAA2024011147284Case · damagedAFTER STARING APU AND BRINGING PACKS ON-LINE THE SMELL OF DIRTY SOCKS PERMINATES THE CABIN. GROUNDED - YES. PERFORMED CONDITIONAL INSP REF AMM 05-51-56 SMOKE FUMES IN CABIN PERFORMED ENG RUN REF FIM 21-00 TASK 806 IDENTIFIED FUMES WITH APU BLEED ON L PACK ONSDR DALA2024011100496Unknown · unknownSHIP 3065 STARTED APU PRIOR TO PUSH DIRTY SOCK ODOR WHEN BLEED AIR WAS USED. CORRECTIVE ACTION: REPLACED CABIN FILTERS, PERFORMED CLEANING OF APU INLET AND DUCT BURN. REPLACED APU. THERE WERE MULTIPLE LOGS REGARDING THIS EVENT. (5421038)SDR DALA2024011100488Unknown · unknownSHIP 3065 NEED TO REPLACE APU DUE TO SMOKE AND FUME. CORRECTIVE ACTION: REPLACED APU PER WORK CARD 4900-9002. MULTIPLE LOGS REGARDING THIS EVENT. (0147761)SDR DALA2024010900330Unknown · unknownSHIP 5028 ODOR IN CABIN AFTER APU START. CORRECTIVE ACTION: FOUND EVIDENCE OF DE-ICING FLUID IN APU INLET C/W WORKCARD 2100-2005. R/R CABIN RECIRC FLITERS PER A321 AMM 21-21-41. WASHED APU INLET AND COMPARTMENT. NO SMELL AFTER RUNNING ENGINE ALL OPS NML. (0145SDR AALA202401101561Compressor · leakingAIRCRAFT WAS GROUNDED: 5 MIN AFTER TAKEOFF FA'S REPORT FUME EVENT IN AFT AIRCRAFT SMELLOF RUBBER, SOCKS, AND BURNT PLASTIC STRONGEST IN THE BACK MOVING FORWARD. APU LOAD COMPRESSOR FOUND TO BE SOURCE. FOUND OIL LEAKING INTO INTAKE MANIFOLD FROM LOAD COMPRESSOSDR AALA202401084052Apu · contaminatedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DURING DESCENT INTO CLT DUE TO THE FLIGHT ATTENDANTS REPORTING A DIRTY SOCK SMELL IN THE AFT GALLEY. THE AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED SMOKE/ODOR/FUME TROUBLESHSDR AALA202401112269Apu · contaminatedAIRCRAFT WAS GROUNDED: STRONG ODOR LIKE CHEESE OR SMELLY FEET ALL THROUGHT CABIN IN CRUISE, SMELL DISSIPATE DESCENDING THROUGH 1700 FEET MSL, STRONG ODOR RETURNED AND THEN DISSIPATED AGAIN THROUGH 500 FT. **SUPPLEMENTAL REPORT FOR AALA202401032269: MAINTENANCESDR AALA202401087533Heat Exchanger · contaminatedAIRCRAFT WAS GROUNDED: DIRTY SOCK ODOR FROM PACKS W/APU ON DURING GROUND OPS/TAXI OUT AND ON DESCENT W/APU OFF. IN IMC ODOR PRESENT THROUGHOUT AIRCRAFT, DISSIPATED SHORTLY AFTER TAKEOFF WITHOUT CREW ACTION. MAINTENANCE REPLACED L /H PACK HEAT EXCHANGER IAW J/SDR AALA202401097504Apu · contaminatedAIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT DECK AT 3000' ON APPROACH. **SUPPLEMENTAL REPORT FOR AALA202401037504: MAINTENANCE FOUND SOOT AROUND THE APU INLET AND A CLEANED THE INLET. MAINTENANCE ALSO ACCOMPLISHED A DECONTAMINATION OF THE ENVIRONMENTAL CSDR AALA202401113907Apu · contaminatedAIRCRAFT WAS GROUNDED: SHORTLY AFTER TAKEOFF AN UNUSUAL ODOR LIKE SMELLY SOCKS WAS SENSED THROUGHOUT THE ENTIRE AIRCRAFT STARTED IN THE AREAS OF ROW 8 AND 9 AND FORWARD. **SUPPLEMENTAL REPORT FOR AALA202401023907: MAINTENANCE FOUND EVIDENCE OF OIL CONTAMINATIOSDR IPXA2023120149245Bleed Valve · inoperative*ATB* AS ADVERTISED APU BLEED VALVE CLOSES ABOVE FL200 WITH APU BLEED SWITCH ON. AIRCRAFT WAS AT FL250. CREW CAUGHT THEIR MISTAKE IN SAFETY TERMINAL AREA. AIR TURN BACK PER A300 AOM 02.01.04.03 SYSTEM OPERATES NORMALLY. PERFORMED PACK FLOW CONTROL AND INDICATISDR DALA2023120509964Apu · damaged(LOG 4268200) MUSTY SOCK ODOR OBSERVED IN JFK AFTER APU START, THEN DISSIPATED AFTER ENGINE START. SMELL RETURNED ON DESCENT INTO SLC AROUND 11,000' THEN DISSIPATED. RETURNED UPON APU START ON TAXI IN. REPLACED APU PER B737 AMM 49-01.SDR AALA202312032090Inlet Guide Vane · odorAIRCRAFT WAS GROUNDED: FA1 INFORMED ME THAT ALL THE FA'S SMELLED FUEL DURING TAXI BOTH ENGS RUNNING APU BLEED ON 5KTS TAILWIND. LASTED 5-10 MINUTES. MAINTENANCE REPLACED APU INLET GUIDE VANE PER AMM 49-23-51.SDR CALA2023112403461Flow Divider · inoperativeECAM MESSAGE APU AUTO SHUTDOWN DISPLAYED ON UPPER ECAM SCREEN - APU. PHOTO MULTPLE HISTORY, FUEL CONTROL UNIT, ALREALY REPLASHED PREV. DEACTIVATED AND DEF PER MEL 4910B. MULTPLE HISTORY, FUEL CONTROL UNIT, ALREALY REPLASHED PREV. DEACTIVATED AND DEF PER MEL 49SDR NACA2023101900003Unknown · unknownAPU WOULD NOT ACCELERATE PAST 31%, THEN AUTO SHUTDOWN. DEFERRED PER MEL 49-11-01 PLACARD INSTALLED PLACARD ROTATED TO NON-ETOPS. CAT C ON 10/19/2023 @2005ZSDR ASAA2023072944314Unknown · unknownON TAXI TO GATE APU FAULT LIGHT ILLUMINATED WHEN ATTEMPTING TO START APU. GROUNDED - YES. UPON ARRIVING, PERFORMED APU BITE CHECK REF B737-9 AMM 49-61-00. FOUND FAULT CODE 49-41181. PERFORMED B737-9 IFIM TASK 49-40-00-810-808 UP TO STEP C.4(A)(5). FAULT 49-411SDR AALA202307288898Apu · odorAIRCRAFT WAS GROUNDED: WET DOG / MUSTY SMELL ON TAXI OUT AND ALSO ON DESCENT BELOW 10000 FEET. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. ** SUPPLEMENTAL REPORT FOR AALA202306018898: MAINTENNACE FOUND THE APU COMPARTMENT HAD RESIDUAL OIL AND CLEANSDR UIEA2023020600102Not Reported · not reportedL-1 AFT FA SEAT OXYGEN GENERATOR S/N 69366 OUT OF SERVICE DATE(<P>REMOVED AND REPLACED L-1 AFT FA SEAT OXYGEN GENERATOR S/N 69366 AS REQUIRED IAW B767 AMM 35-21-04.</P>)SDR GTIA2023013036923Apu · contaminatedDURING DESCENT & APPROACH DIRTY WET SOCKS SMELL BOTH FRONT &REAR OF AIRCRAFT, INCLUDING COCKPIT-PERFORMED TROBLESHOOTING IAW TSM 05-50-00-810-831-A FOLLEW CORRECTIVE ACTION TYPE 8 DE-ICING FLUID INGESTION. INSPECTED APU AIR-INLET & PLENUM& CLEANED DE-ICING FLSDR AALA202301269381Apu · odorAIRCRAFT WAS GROUNDED: AIRCRAFT SMELLS OF TOXIC FUMES WAS REPORTED DURING ALL PHASES OF FLIGHT BY THE CREW. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. (OPEN)SDR I5PA2023012388801Apu · inoperative(MX). ESI - APU INOP. REPLACED APU PER AMM 49-11-01.SDR IXXA20230121004Diffuser · damagedDURING START OF NR 2 ENGINE, N2 STOPPED AT 16% FOLLOWED BY A RIGHT ENGINE STARTER EICAS MESSAGE. SECONDS LATER APU SHUTDOWN. AIRCRAFT RETURNED TO BLOCKS. LINE MAINTENANCE INITIATED DEFERRAL MAINTENANCE ITEM-38063 MEL CAT C. AIRCRAFT RELEASED TO SERVICE. WHILESDR DXTA2023011778680Apu · defectiveAFTER STARTING APU, AND AFTER TURNING BLEEDS ON CABIN, AND FLIGHT DECK STARTED TO FILL WITH A THICK HAZE FROM THE INTERIOR OUTLETS. APU REMOVED AND REPLACED IAW AMM 49-00-00SDR NACA2023011620003Switch · failedAPU WOULD NOT START. REMOVED AND REPLACED APU INTAKE DOOR OPEN SWITCH PER AMM 49-15-02 OPS CHECKS APU GOOD.SDR NACA2023011200001Fault Light · illuminatedTWO ATTEMPTED STARTS OF APU, FAULT LIGHT BOTH TIMES. RESET APU CONTROL UNIT, RESTARTED APU AFTER RESET OPS CHECK OK EN REF B767 FIN 49-11-00 CONFIG 3 APU BITE PROCEDURESDR YENA2023010900022Apu · contaminatedFLT 1505, EWR-FLL. 'DIRTY SOCK ODOR DURING APPROACH; SOURCE OF CONTAMINATION WAS THE APU "COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION B2. DECONTAMINATION LEVEL B WAS ACCOMPLISHED PER TSM 05-50-00-810-831-A." ALSO R/R RECIRC FILTER'S IAW AMM 21-21-41 ASSDR ASAA2023010441386Apu · overtempAPU TREND DATA SHOWS CT5ATP TEMP IS APPROACHING THE 605 DEGREES THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU REFERENCE ASA WORK ORDER# 1932303.SDR ASAA2023010341385Apu · overtempAPU REPORTS SHOWS CT5ATP TEMP IS STILL AT/BEYOND THE 605 DEGREE THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU REF B737-900 AMM 49-11-00/401. OPS AND LEAK CHECK GOOD.SDR YENA2022122301292Apu · contaminatedFLT#1433, MCO-SJU. SMELL FROM ROWS 5-20 A DIRTY SOCK & MUSTY DRY SMELL. PERFORMED CABIN ODOR INSPECTED BOTH ENGINES FOR EVIDENT OIL BLEED FOUND GOOD., CONTINUE INSPECTED APU FOUND OIL ON INTAKE. PROCEDURES TO PACK BURN BOTH AND REPLACEMENT EPA RECIRCULATSDR CALA2022122103460Apu · contaminatedCAPT REPORTED SMOKE IN COCKPIT AND AFT GALLEY. AIR RETURN. CREW NOTICED THE ODOR & TURNED APU BLEED OFF, APU WAS NOT RUNNING. C BLEED AIR ISLN IAW 49-10 TASK 808 SMOKE INSPECTION PERFORMED APU INSPECTION. ONCE IN COCKPIT, NOTICED PACKS, STRONGER. ONCE AT SDR AALA202212161331Apu · odorAIRCRAFT WAS GROUNDED: AFTER TAKEOFF AND DURING INITIAL CLIMB FUMES WERE SMELLED IN FLIGHT DECK AND ALSO REPORTED IN CABIN BY FLIGHT ATTENDANT. SMELLED LIKE EXHAUST OR OIL. FLIGHT ATTENDANT SAID IT SMELLED LIKE BURNT CRAYONS / MUSTY. MAINTENANCE ISOLATED THE SSDR AALA202212149356Apu · odorAIRCRAFT WAS GROUNDED. DURING FINAL APPROACH WITH GEAR DOWN, BOTH PACK ON, AND APU OFF THERE WAS A STRONG ODOR OF DIRTY SOCKS. AFTER LANDING WITH PACKS OFF THE ODOR DISSAPATED. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU DUE TO FINDING EVIDENCE OF SDR AALA202212163946Apu · contaminatedAIRCRAFT WAS GROUNDED. AFTER TAKE OFF, DURING CLIMB, A DIRTY - MUSTY ODOR IN THE FRONT AND REAR OF THE AIRCRAFT WAS REPORTED. THE AIRCRAFT RETURNED TO CLT WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE ISOLATED THE SDR AALA202212123946Apu · odorAIRCRAFT WAS GROUNDED: AFTER TAKE OFF, DURING CLIMB A DIRTY / MUSTY ODOR IN THE FRONT AND REAR OF THE AIRCRAFT WAS REPORTED. THE AIRCRAFT RETURNED TO CLT WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. NOTE: NO EMERGENCY WAS DECLARED. MAINTENANCE ISOLATED TSDR ASAA2022120741104Generator · crackedAPU OIL CONSUMPTION INSPECTION DUE TO REPORT OF EXCESSIVE SERVICING GROUNDED - YES. PERFORMED GVI ON APU REF B737-800 FIM 49-95 TASK 801, FOUND STARTER GENERATOR LEAKS OIL FROM CRACK FOUND ON BOTTOM OF GENERATOR. PERFORMED OPERATION OF THE APU AND FOUND EVIDENSDR AALA202301106228Apu · odorAIRCRAFT WAS GROUNDED: ON INITIAL TAXI WITH POWER UP GOT DIRTY SOCK SMELL IN COCKPIT. FLIGHT ATTENDANTS DID NOT SMELL. DISSIPATED ON TAKEOFF ROLL SMELL BEGAN AGAIN AND STRONGER. FROM GASPER VENTS. FLIGHT ATTENDANTS DETECTED SMELL DIRTY SOCKS FOR 5 MINUTES, THESDR ASAA2022120541065Seal · dislodgedWHEN STARTING APU ON GROUND, NO LIGHT OFF, HOLDS AROUND 1.8 EGT AND LOW OIL PRESSURE LIGHT ILLUMINATED. WENT TO OFF WHEN LIGHT EXTINGUISHES, TRIED AGAIN. SAME RESULT. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 49-90 TASK 803 LOW OIL PRESSURE SHUTDOWN. FOUND FASDR AALA202212080773Apu · contaminatedAIRCRAFT WAS GROUNDED: SMELL OF DIRTY SOCKS DURING DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202212070773: MAINTENANCE ACCOMPLISHED SMOKE/ODOR / FUMES TROUBLE SHOOTING TASK CARDS 26L00021001, 26L00021002 ANSDR AALA202212088273Apu · contaminatedAIRCRAFT WAS GROUNDED: DURING DESCENT FLIGHT ATTENDANTS REPORTED DIRTY SOCK SMELL. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. MAINTENANCE ACCOMPLISHED SMOKE / ODOR / FUME TROUBLE SHOOTING TASK CARDS 26L00021001, 26L00021002 AND FOUND FLUID ON TOPSDR NACA2022120300001Ecu · faultedDURING PREFLIGHT CHECK APU FAILED TO START, TWO ATTEMPTS. ACCOMPLISHED FIM 49-11 FAULT TREE 958, CLEARED ECU FAULTS. APU OPS CHECKED GOOD PER AMM 49-11-00
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