JASC 4900
Service difficulty reports · 1,840
Reports filed under 4900 · Airborne Auxiliary Power Unit (APU) System, 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 = '4900' 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 = '4900' 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 NACA2021082740001Unknown · faultedTWO START ATTEMPTS ON THE APU ON THE GROUND IN KMIA. BOTH ATTEMPTS WERE UNSUCCESSFUL AND FAULT LIGHT ILLUMINATED. CORRECTIVE ACTION: COMPLIED WITH APU FIM 49-11 FT 958. BITE NO DISCREPANCIES NOTED. APU STARTED NORMAL.SDR YENA2021082700543O-Ring · leakingFLT # 104, LAS-RIC. DURING DESCENT ENTIRE AIRCRAFT REEKED OF THE DIRTY SOCK ODOR. CABIN ODOR REPORT FILLED OUT. ( APU BLEED AIR SUPPLY SYSTEM ) ; T/S STSTEM PER 05-50-00-810-831, FOUND THE SOURCE OF THE OIL LEAK AS A LOOSE HIGH OIL TEMP SENSOR. R/R THE HIGH OISDR UIEA2021082401864Warning Message · false activationAFTER BLOCK IN EICAS MSG "APU FAULT". PERFORMED APU OPS TEST IAW B767 AMM 49-11-00/201. OPS NORMAL.SDR DALA2021081804784Apu · odorSHIP 3142 - UPON START OF APU AT ENGAGE OF PACKS. WE GOT THE "DIRTY SOCK SMELL". CORRECTIVE ACTION: ACCOMPLISHED AMDS WC 0550. FOUND APU AT FAULT. ACCOMPLISHED DECONTAMINATION OF ECS PER AMDS WORK CARD 2100-2005. ALL LEAK AND OPS CHECKS GOOD. (7971088)SDR UIEA2021081601809Apu · unknownAPU FAILED TO START ON GND(<P>PERFORMED BITE AND SELF TEST OF ECU IAW AMM 49-61-05. NO FAULTS FOUND. APU START 1ST ATTEMPT. OPS CHECK NORMAL.</P>)SDR UIEA2021081201774Warning Light · false activationAPU FAULT EICAS MSG DISPLAYED DURING ATTEMPTED APU START AFTER LANDING, QRH COMPLETED. FAULT LIGHT DOES NOT REMAIN DISPLAYED WITH APU SWITCH OFF.(<P><SPAN>PERFORMED BITE TEST NO FAULTS NOTED PER FIM 49-11 FT 987, OPS CHECK GOOD AT THIS TIME</SPAN></P>)SDR NACA2021080630002Apu · unknownDISCREPANCY: 2 APU START ATTEMPTS ON THE GROUND IN KMIA. START FAILURE BOTH TIMES WITH FAULT LIGHT. CORRECTIVE ACTION: BITE TEST ON ECU AS PER B767 AMM 49-61-03, OPS CHECK FOUND NORMAL.SDR UIEA2021080201674Apu · unknownUPON LANDING APU FAULTED OIL QTY SHOWED NORMAL. ON 2ND ATTEMPT OIL QTY SHOWED .25, IT THEN CLIMBED TO .75, TRIED 3RD ATTEMPT OIL Q FULL AND STARTED NORMALLY(<P>NOTED BY MX. PERFORMED 3 ATTEMPTS IAW AMM 49-11-00. ALL ATTEMPTS SUCCESSFUL. NO OTHER DEFECTS NOTED SDR UIEA2021072601625Pneumatic System · unknownAPU PNEUMATICS INOP. T/S IAW FIM 49-11 FAULT TREE. NO FAULTS FOUND. PERFORMED VISUAL INSPECTION ON APU BLEED AIR DUCT IAW AMM 36-11-02. NO DEFECTS FOUND. PERFORMED ENGINE RUN IAW AMM 72-00-00.SDR UIEA2021071901587Apu · unknownAPU INOP ( AUXILIARY POWER UNIT (APU), ER OPERATIONS NOT ALLOWED (NOTIFY DISPATCH) R60 )(<P>TRANSFERRED TO MDDR 150385 IAW MEL 49-11-01A, CAT C.</P> / <P>LP 1486189: PERFORMED FIM. 49-11 FT 988. NO DEFECTS NOFECTS NOTED. APU OPS CHECK GOOD. THIS CLEARS DMI 150SDR AALA202108036307Apu · odorAIRCRAFT WAS GROUNDED: DIRTY SOCK ODOR DURING CRUISE THROUGH TO LANDING AND TAXI-IN AT DFW. POSSIBLE FUMES REPORTED BY FLIGHT ATTENDANT. ALSO DETECTED IN COCKPIT ON SHORT FINAL APPROACH. FOUND APU TO BE SOURCE OF ODOR. REPLACED APU ON JC 26L31049003.SDR UIEA2021071901586Switch · faultedAPU DEFERRED PER MCC (INOP)(<P>TRANSFER TO MDDR DMI #150314 IAW B767 DDG MEL 49-11-01A, CAT C, DUE 27JUL21 "M" PROC C/W. </P> / <P>C/W WITH ECM #2021P-233 REF. LOGPAGE 1369494 ITEM 8...REPLACED DE-OIL SOLENOID VALVE.. P/N 3876166-1..S/N 1102 ON APU IAW AMM49-SDR UIEA2021071701580Apu · faultedAFTER LANDING, APU FAULT EICAS MESSAGE DURING APU START ATTEMPT. ATTEMPTED 3 STARTS; APU ACCELERATED TO 23% AND THEN SHUTDOWN ON EACH ATTEMPT.(<P>PERFORMED BITE ON ECU, NO FAULTS. STARTED APU FIRST TRY PER AMM 49-50-00. APU OK FOR SERVICE.</P>)SDR UIEA2021071201539Apu · not reportedC/W APU REMOVAL AND REPLACED(<P>REMOVED APU PER B767 AMM 49-11-01. INSPECTED PER B767 AMM 49-05-03. NO DEFECT NOTED ON MOUNTS / FIRE WALL INLET / EXHAUST / FIRE WALL. INSTALLED APU ASSY IAW AMM 49-11-01. OPS CHK OK REMOVED AND INSTALLED MODULE FLOW SENS.SDR DXTA2021071345190Apu · smokeSMOKE AND AND ODOR IN THE CABIN. APU AND BLEED AIR WERE ON, ENGINES OFF. INSPECTED THE APU EXHAUST FINDING NO OIL OR VISUAL ABNORMALITIES. STARTED THE APU IAW THE POH, RAN THE APU FOR 30 MINUTES WITH THE APU BLEED SELECTED ON WITH NO SMOKE OR ODOR NOTED. SSDR 9JLA2021072728465Current Limiter · trippedTHE FLIGHT CREW REPORTED WITH THE APU GENERATOR ON, STARTED RIGHT ENGINE, THE STARTED LEFT ENGINE AND SECONDS LATER RECEIVED AN AMBER "J-BOX CURRENT LIMITER" WARNING. ALSO THIS TRIPPED THE HT012 CIRCUIT BREAKER. THIS FAULT RESULTED IN THE FLIGHT BEING CANCELEDSDR YENA2021070700431Apu · contaminatedFLT 851, JFK-CUN. BELOW 10FT FA NOTICE ODOR BECAME STRONGER APPROACH TO LAND FA SAID SICK ( PACKS ); ACCOMPLISHED ECS DECONTAMINATION IAW AMM 21-00-00-615-803. SOURCE OF ODOR COMING FROM APU. MDDR CLARED MX-4 UPDATED PLACARD REMOVED.SDR UIEA2021062901440Apu · faultedAPU FAULT. ALL 3 START ATTEMPTS. RPM NEVER EXCEEDED 32 RPM DURING START ATTEMPTS.(<P>PERFORMED APU BITE PROCEDURE PER FIM TASK 49-11 FT 987. "START ABORTED" FAULT, MSG CLEARED. PERFORMED OPS CHECK OF APU PER AMM 49-11-00. OPS GOOD.</P>)SDR UIEA2021062901437Apu · no testAPU FAIL (FAULT EICAS)(<P>PERFORMED APU ECU BITE CHECK IAW B767 FIM 49-11 FAULT TREE 958. NO FAULTS NOTED. PERFORMED APU STARTING/OPERATION IAW B767 AMM 49-11-00-802-002. OPS CHECK NORMAL. NO DEFECTS NOTED AT THIS TIME</P>)SDR UIEA2021062901439Apu · faultedAPU FAULT ON START UP RPM WOULD NOT EXCEED 27%(<P>PERF APU BITE IAW FIM 49-11 FT 986 NO FAULTS NOTED PERF INSP OF APU OIL FOUND APU OIL TO BE OVER SERVICED. DRAINED APU OIL IAW AMM 12-13-04. RAN APU SEVERAL TIMES IAW AMM 49-11-00 NO FURTHER DEFECTS NOTED AT THSDR SWIA2021062591000Apu · shutdownAPU INFLIGHT SHUTDOWN WHILE ENROUTE. SINGLE GENERATOR. VERIFIED APU INTAKE DOOR CLOSED AND ALL MX ACTION HAS BEEN COMPLIED WITH. REACTIVATED APU PER MEL 49-10-1A TROUBLESHOT APU INFLIGHT SHUTDOWN IAW FIM 49-10-00. REMOVED AND REPLACED APU ECU IAW AMM 49-6SDR UIEA2021062201403Warning Flag · false activationAPU FAULT AFTER LANDING(<P>ACCOMPLISHED APU BITE PROCEDURE IAW ATLAS FIM 49-11-00. NO MINIFLAGS OR MESSAGES NOTED. ALSO, COMPLETED GVI AND OPS CHECK OF APU. ALL INDICATIONS NORMAL AT THIS TIME.</P>)SDR ASAA2021061835130Switch · faultedAPU FAULT LIGHT ILLUMINATED UPON UNSUCCESSFUL APU START. GROUNDED - YES. REMOVED AND REPLACED AIR INLET DOOR POSITION SWITCH REF B737-800 AMM 49-15-41 APU STARTS AND OPERATES NORMALLY. GROUND VERIFICATION SUCCESSFUL.SDR UIEA2021061601375Actuator · faultedAPU WILL NOT START 2 ATTEMPTS(<P>REMOVED AND REPLACED ECU DUE TO HARD FAULT ECU. OPS CHECK GOOD. REF: AMM 49-61-05. S/N OFF - 53-1057. P/N OFF - 2117342-20. REMOVED AND REPLACED APU AIR INTAKE ACTUATOR DUE TO APU ECU HARD FAULT. OPS CHECK GOOD. REF: AMM 49-15-SDR UIEA2021061401342Apu · faultedAPU FAULT 3 START ATTEMPTS(<P>PERFORMED APU ECU BITE CK PER AMM 49-61-05, NO FAULTS NOTED. ATTEMPTED APU START, SUCCESSFUL FIRST ATTEMPT. NO PRESENT OR PREVIOUS FAULTS NOTED. TRANSFERRED TO MDDR 148521 IAW DDG 25-AP-01, OPTION C, CAT N, DUE 14JUN22.</P> / <P>1SDR UIEA2021060801291Apu · inoperativeAPU INOP. REPLACED APU IAW AMM 49-81-01 AND WO 81871 WORK CARD A-49-999-00-01. APU OPS AND LEAK CHECKED OK. APU MOUNTS SECURED.SDR NACA2021061000003Apu · faultedDISCREPANCY: APU FAULT 3 TIMES AFTER LANDING AT KMIA. CORRECTIVE ACTION: PERFORMED APU BITE PROCEDURE PER FIM 49-11 FT 958, APU OPS CHECK NORMAL. ETOPS GROUND VERIFICATION COMPLIED WITH. ETOPS SSSDR UIEA2021052501176Apu · faultedAPU FAULT EICAS AFTER LANDING. ACCOMPLISHED QRH 2ND ATTEMPT SUCCESSFUL.(<P>C/W OPS CHECK OF APU IAW AMM 49-00-00. NO FAULTS AT THIS TIME. OPS CHECK GOOD.SDR YENA2021060800361Fan · failedFLT 761, LGA-PBI. DURING IDLE DESCENT AT 5000 FT ENTERING CLOUDS HAD DIRTY SOCK SMELL IN COCKPIT; PERFORMED T/S STEPS PER INFO NOTICE 2017-T015F ALSO RECEIVED VERBAL DEBRIEF FROM CREW ABOUT ODOR PRESENT ON GROUND IN LGA. DURING APU INSPECTION WITH BLACKLIGHT, SDR UIEA2021052401170Switch · failedAPU SWITCH SHOWS INCORRECT CONFIGURATION "OFF" WHEN IT SHOULD BE "VALVE". REMOVED AND REPLACED APU BLEED KORRY SWITCH IAW SWPM 20-84-13. OPS CHECK GOOD. VALVE INDICATION PRESENT.SDR UIEA2021052101163Apu · faultedAPU PNEUMATIC FUNCTION INOP ( AUXILIARY POWER UNIT, PNEUMATIC FUNCTION )(<P>TRANSFERED TO MDDR 147249 IAW MEL 49-11-01-01, CAT C, DUE 30MAY21.</P><P>LOG PAGE 1341621: REMOVED AND REPLACED APU IAW WORK CARD A-49-999-00-01. THIS CLEARS MDDR 147249.</P><P><BR />SDR ASAA2021051234803Apu · unknownAFTER LANDING APU FAILED TO START, FAULT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED APU BITE. CURRENT FAULT SHOWS 49-41180. PERFORMED B737-800 FIM 49-40 TASK 804, NO FAULTS FOUND. NO CURRENT FAULTS PRESENT.SDR DALA2021042702438Apu · odorSHIP 3142 - ODOR WITH APU BLEED ON (GROUND). INFLIGHT ODOR WAS NOT AS PRONOUNCED (CRUISE) ON DESCENT ODOR RETURNED. CORRECTIVE ACTION: T/S SMOKE AND FUMES IN COCKPIT PER AMDS W/C. R/R APU. (6308026)SDR UIEA2021042601003Fault Light · false activationWITH APU RUNNING WE DISCONNECTED ELECTRICAL POWER AND WE GOT APU FAULT LIGHT(<P>RESTARTED APU, TRANSFERED POWER FROM GROUND TO APU TWO TIMES NO FAULTS AT THIS TIME IAW AMM 49-11-01.</P>)SDR UIEA2021042000938Contactor · failedAPU FAIL TO START(<P>TRANSFERRED TO MDDR 145605 IAW MEL 49-11-01A, CAT C.</P><P>LP 1312947: PERFORMED FIM 49-11 FT. 991 TO STEP 22. REMOVED AND REPLACED APU CRANK CONTACTOR K117 IAW AMM 49-41-05. OPS CHECKS GOOD. 3 SUCCESSFUL START ATTEMPTS. MDDR 145605 CLOSEDSDR UIEA2021041800932Apu · malfunctionedAPU FAILED PRIOR TO PUSH(<P>NO RELATED FAULTS ON EICAS, APU BITE SHOWS "REVERSE" FLOW FAULT. PERF APU BITE, NO FAULTS PERF. APU OPS CHECK IAW AMM 49-11-00 TEST OK. OK FOR SVC.</P>)SDR ASAA2021041734619Apu · malfunctionedAPU FAULT LIGHT ILLUMINATED DURING APU START. ATTEMPTED START OK. GROUNDED - YES. ACCOMPLISHED APU BITE CHECK PER B737-800 FIM 49-60 TASK 801 FAULT FOUND 49-41012 NO ROTATION APU SHUT DOWN STARTED APU NO FAULTS NOTED. DEFERRED APU CONTINUOUS OPERATION PER MEL SDR UIEA2021041400899Shutoff Valve · malfunctionedRIGHT HPSOV VALVE NOT CLOSED SIGNAL WAS NO DEFECTED ( WARNING ) (<P>REMOVED AND REPLACED R/H HPSOV PER MM 36-11-07-424-016-001.</P><P>REQUIRES RUN UP, OPS CHECK. (LEAK & BITE CHECK GOOD).</P><P>PERFORMED ENG. RUN UP IAW 767 AMM 71-00-00. OPS CHK NORMAL.</P>)SDR UIEA2021040300823Battery · no testAPU BATTERY HEALTH CHECK FAIL.(<P>REMOVED AND REPLACED APU BATTERY PER AMM 24-31-04-404-005. BATTERY CHECK GOOD .</P>)SDR DXTA2021040240370Apu · smokeAPU SMOKE: AFTER LANDING WE STARTED THE APU WITH BLEED AIR ON AND DID TAXI FOR APPROX 8 MIN, DEPLANED THE PAX AND ONCE DONE NOTICED THICK SMOKE IN CABIN AND COCKPIT. WE IMMEDIATELY DID SHUT DOWN THE APU AND THE SMOKE DISSIPATED AFTER ABOUT 15 MIN. NO EXTERIOR SDR YENA2021040200201Apu · odorFLT # 2416, AUS - MCO. AIRCRAFT N648 OPERATING FLIGHT #2416 REPORTED THE FOLLOWING ODOR EVENT: “PASSING 10,000 IN DESCENT NOTICED FAINT DRY MUSTY SMELL. TOTALLY DISSIPATED PASSING 3,000 FEET. INFO NOTICE 2017-TO15F SECTION B APPLIED AND APU WAS PLACED ON MEL. SDR AALA202103239001Apu · odorAIRCRAFT WAS GROUNDED: WET, HUMID DIRTY SOCK SMELL IN FLIGHT DECK ON DESCENT IN MSP. FLIGHT CREW SUSPECTS DIRTY AIR FILTERS IN AIR CONDITIONING PACKS. REMOVED AND REPLACED APU IAW JC26L31049003.SDR O2GA2021032351201Water Separator · contaminatedAFTER ENGINE START WITH APU RUNNING FUNNY SMELL IN COCKPIT AND LIGHT SMOKE IN CABIN. ENGINES/APU SHUT DOWN AND CREW DEPLANED THE PASSENGERS. EMERGENCY VEHICLES WERE STANDING BY. NO EVIDENCE OF HOT SPOTS NOTED. MAINTENANCE ISOLATED THE DISCREPANCY TO A FAULTY ASDR UIEA2021030500479Apu · false indicationAPU FAIL. PERFORMED OPS CHECK OF APU IAW 49-11-02-201. OPS NORMAL NO DEFECTS NOTED.SDR UIEA2021030200449Apu · faultedAPU FAULT SHUTDOWN, NOTED TWICE DURING PREFLIGHT.(<P>TRANSFERRED TO MDDR 143224 PER MEL 49-11-01A, CAT C, DUE DATE 12MAR21. DI: JT@ 19:26Z</P><P> LP 1491954, ITEM M5: PERFORMED APU BITE PER FIM 49-11 F/T 958, NO FAULTS CURRENT OR PREVIOUS. PERFORMED VISUAL INSSDR AALA202102169009O-Ring · inoperativeAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS COMPLAINED OF BURNING RUBBER SMELL IN CABIN AND PASSENGER COMPLAINTS ABOUT BREATHING. IN COCKPIT WE SMELLED DEICE FLUID. RETURNED TO CLT. DECLARED EMERGENCY. AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS COMPLAINED OF BURNISDR AALA202102159010Apu · contaminatedAIRCRAFT WAS GROUNDED: ON DESCENT AND DURING GROUND OPERATIONS DIRTY SOCK SMELL STRONG NOT NOTICED DURING CRUISE. REPLACED APU AND ACCOMPLISHED A SATISFACTORY LEAK AND OPERATIONAL CHECK PER TASK CARD 26L31049003.SDR AALA202102159040Panel · false indicationAIRCRAFT WAS NOT GROUNDED: APU AGENT DISCHARGE LIGHT ON. REPLACED APU FIRE BOTTLE (AALA202102159009) AND APU FIRE PANEL (AALA202102159040) PER AMM 26-22-41 AND 26-12-12. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.SDR FDEA202102050296Apu · odorPDIS 939 21-70 8622 05FEB21 LGG OPEN U LOGPAGES:3301364 OBSERVED AN ACRID, BURNING OIL SMELL DURING ALL PHASES OF FLIGHT WITH MARKED INTENSITY ON APU BLEED, CLIMB AND DESCENTS. EXPIRIENCED WHAT IS DESCRIBED AS A FUME EVENT. SHGN 05FEB21 01:2SDR UIEA2021020400228Apu · inoperativeAPU RELIABILITY COLD START ON FLT ORD-AMS SAT -46 FL 370, START UNSUCCESSFUL AFTER 3 ATTEMPTS. SERVICED APU TO FULL LEVEL & IAW AMM 12-13-04. START OK IAW AMM 49-11-00.
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