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.

SDR UIEA2021011600066Fault Message · false activationAPU FAULT ON GROUND AFTER BLOCK IN. PERFORMED APU BITE, IAW FIM 49-11-00 FT 958, MINI FLAG 130. PERFORMED OPERATIONS CHECK OF APU SYSTEM, IAW B767 M/M 49-11-00, OPERATIONAL CHECK NORMAL. AIRCRAFT CLEARED TO CONTINUE ETOPS SERVICE.Jan 16, 2021 · N649GT · Boeing 767375SDR UIEA2021011900085Unknown · unknownAPU INOPERABLE. TRANSFERRED TO MDDR 141057. C/W STEP 1 OF ECM. NO DEFECTS NOTED BETWEEN D4088 (J10) AND M893, YBMM3 (CONN P11 PIN1) AND CONN P25. PINS D408B (E4) & (E5) SHOWS 187 M OHM, POSSIBLE INSULATION DEGRADATION. PINS (E5) & (J10) 5M OHM. PIN (E5) TJan 16, 2021 · N1489A · Boeing 76731KSDR DALA2021011900347Unknown · odorODOR IN CABIN AFTER APU START. CORRECTIVE ACTION: W C/W NO GO ODI PROCEDURES, PER A220 AMDS WORK CARD 0550-2001. NO DISCREPANCIES NOTED. PERFORMED A220 EFIM PROCEDURE FOR ELIMINATION OF RESIDUAL ODORS, PER SOLUTION NR 1-08458. A/C OK FOR SERVICE. MCC NOTIJan 15, 2021 · N134DU · Airbus BD5001A10SDR AALA202101049013Apu · odorAIRCRAFT WAS GROUNDED. AFTER TAKEOFF F/A COMPLAINED OF UNIDENTIFIED ODOR, PASSENGERS ALSO COMPLAINED. ODOR HAD A FAINT ELECTRICAL SMELL. AIRCRAFT RETURNED TO DFW WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. SUPPLEMENTAL: ACCDec 31, 2020 · N732US · Airbus A319112SDR I5PA2020122488805Generator · failedAPU GENERATOR FAILED INTERNALLY CAUSING DAMAGE TO THE GENERATOR SCAVENGE PUMP. BOTH UNITS WERE REPLACED WHICH PLACED THE APU BACK IN SERVICE.Dec 25, 2020 · N888LT · Boeing 757230SDR AALA202012179008Apu · odorAIRCRAFT WAS GROUNDED. ON DESCENT BOTH PILOTS SMELLED OILY DIRTY SOCKS. THE ODOR WAS VERY BAD. COMPLIED WITH JOB CARD 26L00021001, NO SMELL FOUND, APU REMAINS ON MEL.Dec 15, 2020 · N749US · Airbus A319112SDR AALA202012139007Apu · odorAIRCRAFT WAS GROUNDED. AT IDLE/LOW POWER DURING DESCENT IN AIRPORT AREA, DIRTY SOCK SMELL STRONG IN COCKPIT. ODOR NOT DETECTED IN CABIN. PERSISTED TO GATE. ACCOMPLISHED JOB CARD 26L00021001. SUPPLEMENTAL INFORMATION: REMOVED AND REPLACED APU GENERATOR ANDDec 12, 2020 · N749US · Airbus A319112SDR UIEA2020121002546Apu · unknownLARGE QUANTITY OF OIL DISCOVERED ON UNDER SIDE OF TAILCONE NEAR APU. INSPECTED APU, PER B767 AMM 49-05-03-202-011. NO FAULTS NOTED. C/W WO NR 74452, IAW WORK CARD INSTRUCTIONS. APU REMOVED & REPLACED, IAW AMM 49-11-01.Dec 10, 2020 · N1709A · Boeing 767375SDR YENA2020121600598Apu · odorFLT 2416, AUS-MCO. STRONG ODOR IN COCKPIT ONLY ON FINAL APPROACH. APU SYSTEM. C/W INFO NOTICE-2017-T015F SECT C TABLE 1. VERIFIED OIL SMELL WITH APU BLEED SUPPLYING USERS. ENGINE RUN CHECKS NORMAL. PLACED APU ON MEL 49-10-01 CAT C MCC ADVISED, MX4 UPDATEDec 10, 2020 · N556JB · Airbus A320232SDR UIEA2020110902367None · noneINFO ONLY: RT ENGINE NO START FIRST ATTEMPT ON SINGLE IGNITOR. START OK ON BOTH. PERFORMED RT ENGINE IGNITION SYSTEM AUDIBLE TEST, IAW AMM 74-00-00. OPERATIONS CHECK GOOD, IGNITORS OPERATE NORMAL.Nov 8, 2020 · N1409A · Boeing 767306SDR HALA2020110400197Apu · odorODOR/FUMES OIL SMELL IN CABIN AND FLIGHT DECK. REMOVED & REPLACED APU. OPERATIONS & LEAK CHECK OK. NO ODOR PRESENT IN CABIN & FLIGHT DECK. APU, AUXILIARY OFF 43-4910-9-0010 01519 ON 43-4910-9-0010 01780.Nov 3, 2020 · N393HA · Airbus A330243SDR P5CA2020102000363Apu · faultedAPU SHUTDOWN WHILE ON GROUND ACCOMPANIED BY "APU FAULT" EICAS, PER AMM 49-61-05 FIM APU CONTROL UNIT BITE TEST OK. RESTART APU CONTROL NORMAL.Oct 20, 2020 · N643GT · Boeing 7673JHFSDR UIEA2020100852172Apu · unknownAPU FAIL TO START. STARTED APU, PER AMM 49-11-00. OPS CHECK NORMAL.Oct 5, 2020 · N1511A · Boeing 767383SDR F3LA2020100700043Apu · leakingREMOVE AND REPLACE APU TO ADDRESS FUME EVENT, IAW A320 AMM 49-00-00-710-010-A, OPS CHECK IS GOOD. ITEM 1: AFTER T/O NOTICED A STRONG DIRTY SOCK/METALIC/MUSTY FUME SMELL IN COCKPIT, PERFORMED ELIMINATION OF ODOR PROCEDURE AND ODOR CEASED WHEN PACK 1 TURNED OFFOct 1, 2020 · N230FR · Airbus A320214SDR UIEA2020100502170Warning Message · false activationAPU FAULT, NO FAULTS FOUND, COULD NOT DUPLICATE. APU STARTED ON GROUND. NO FAULTS FOUND. OPS CHECK, REF AMM 49-00-00.Sep 30, 2020 · N1181A · Boeing 7673Y0SDR UIEA2020092982121Apu · malfunctionedDURING TAXI-IN APU FAULT EICAS MESSAGE DURING APU START, SECOND START ATTEMPT WAS NORMAL START. OPERATIONS TESTED APU, REF 49-11-00, NO FAULTS NOTED AT THIS TIME. OK FOR CONTINUED SERVICE.Sep 27, 2020 · N1409A · Boeing 767306SDR UIEA2020092982117Tru · malfunctionedAPU FAULT, CHRONIC APU STARTING ISSUES AFTER LANDING. PERFORMED APU BITE, IAW FIM 49-11 FT 958, NO FAULTS NOTED ON APU ECU AND NO FAULTS NOTED ON ECU SELF TEST. PERFORMED THREE SUCCESSFUL STARTS, IAW 49-11-00. OPERATIONS CHECKS NORMAL. DUE TO CHRONIC APU FSep 26, 2020 · N1181A · Boeing 7673Y0SDR 2020F00430Apu · damagedTAIL NUMBER B-16723 SEP/25/2020 ARRAVAIL AT TPE. AFTER ALL PASSENGER DISEMBARK. MAINTENANCE START TO OUTSIDE CHECK. FIND APU AUTO SHUTDOWN WITH APU INNER FIRE, ALSO MAINTENANCE FIND APU EXHAUST CONE DEPART FORM AIRCTAFT. LATER, MAINTENANCE PERFORM APU INSPESep 25, 2020 · N6723 · Boeing 777300ERSDR UIEA2020092952068Fault Message · malfunctionedAPU FAULT MSG. TRANSFERED TO MDDR 134960, CAT C, DUE 05AUG20 PER MEL 49-11-01A. RAN APU, PER AMM 49-00-00, NO FAULTS NOTED. BITE THE APU, PER FIM 49-11, NO FAULTS NOTED. RAN BOTH PACKS, PER AMM 21-00-00, NO FAULTS NOTED. RAN BOTH ENGINES, PER AMM 71-00-00Sep 25, 2020 · N1409A · Boeing 767306SDR UIEA2020092852067Unknown · faultedAPU FAULT WHEN STARTING UPON LANDING. PERFORMED APU BITE, IAW FIM 49-11 FT 958, NO MSGS NOTED OR FAULTS NOTED ON APU BOX. PERFORMED APU EXTERIOR INSPECTIONS, IAW AMM 49-21-00. NO LEAKS, CRACKS, TEARS, OR LOOSE CANNON PLUGS FOUND. PERFORMED 4 SUCCESSFUL STASep 25, 2020 · N1181A · Boeing 7673Y0SDR UIEA2020091872014Fault Light · false activationAPU FAULT ON TAXI IN. APU STARTED W/ NO FAULTS OR DEFECTS NOTED, IAW AMM 49-00-00.Sep 14, 2020 · N1487A · Boeing 76731KSDR UIEA2020090401950Circuit Breaker · trippedAPU TRU START CONT C/B OPENED ON FLT. PERFORMED OPS CHK OF APU TRU IAW 24-32-04, OPS CHK NORMAL, C/B REMAINED SET.Sep 3, 2020 · N1321A · Boeing 767306SDR UIEA2020083101895Warning Message · false activationAPU FAULT ADVISORY AFTER LANDING (<P>PERFORMED APU BITE IAW FIM 49-11 FR 805 FOUND LOW OIL PRESS ON ECU PER FIM 4911 FT 995 INSPECTED MAGNETIC CHIP DETECTOR FOUND NO DEBRIS CHECK APU OIL QUANTITYFOUND TO BE OVERSERVICES OPEN CAP AND LEFT OIL OVERFLOW UNTILL IAug 31, 2020 · N1409A · Boeing 767306SDR P5CA2020090100294Apu · faultedAPU FAULT AFTER ATTEMPTED START DURING TAXI. PERFORM BITE TEST OF ECU PER FIM 49-11 TASK 987. OPS CHECK NORMAL PER AMM 49-11-00,Aug 31, 2020 · N644GT · Boeing 7673JHFSDR UIEA2020083101896Apu · unknownDURING ENGINE START FOUND NO APU DUCT PRESSURE(<P>RTB RESTARTED APU IAW AMM 49-10-00 ALL SATIS <BR /></P>)Aug 29, 2020 · N1511A · Boeing 767383SDR UIEA2020083191892Circuit Breaker · trippedAFTER LANDING, APU DID NOT STSRT (3 TRIES) (<P>UPON INVESTIGATION NOTED CIRCUIT BREAKER #CB1 ON RH GEN CONTROL UNIT. RESET BREAKER & CIRCUIT BREAKER DID NOT POP AGAIN. PERFORMED APU ECU BITE & OPS CHECK AS REQUIRED PER FIM 49-11 FAULT TREE 805. NO FAULTS NOTEDAug 29, 2020 · N1487A · Boeing 76731KSDR UIEA2020090101909Warning Message · false activationAPU FAULT AFTER LANDING. ONE START ATTEMPT MADE. PERFORMED APU ECU BITE AND APU OPS CHK REF AMM 49-61-05 AND AMM 49-11-00. APU OPS GOOD. MULTIPLE GOOD STARTS. NO FAULTS PRESENT.Aug 27, 2020 · N1409A · Boeing 767306SDR ASAA2020082823098Memory Device · inoperativeNO DUCT PRESSURE WITH APU BLEED ON OUT GATE. GROUNDED - YES. REMOVED & REPLACED APU ENGINE WIRE HARNESS P/N 3888449-2, REF B737-900 AMM 49-11-01-400-802 & APU DATA MEMORY MODULE REF B737-900 AMM 49-72-11-400-801. OPERATIONS CHECK NORMAL. VERIFIED CORRECT AAug 22, 2020 · N442AS · Boeing 737990ERSDR UIEA2020082171793Unknown · unknownAPU FAULT. WOULD NOT START IN RAMP(<P>PERFORMED APU OPS CHECK THREE CONSECUTIVE GOOD STARTS, NO DEFECTS NOTED IAW AMM 49-11-01 (NOTE: AN APU COLD SOAK START VERIFICATION DMI DDG 25-AP-01 WAS OPENED AFTER ABOVE ACTION).</P>)Aug 17, 2020 · N1487A · Boeing 76731KSDR ASAA2020081313015Warning Light · false activationAMBER FAULT LT CAME ON WHILE ATTEMPTING TO START THE APU ON ARRIVAL. GROUNDED - YES. FAULT CODES 49-31016 (OVERTEMP SHUTDOWN) AND 49-41012 (NO APU ROTATION SHUTDOWN) FOUND DURING TROUBLESHOOTING. OPENED COMPRESSOR PLELUM & INSPECTED FOR OBSTRUCTIONS AND DAMAGEAug 11, 2020 · N469AS · Boeing 737990ERSDR P5CA202008110279Fault Message · false activationAPU FAULT ON EICAS, LEFT ENGINE START OCCURED PRIOR TO ANY MOVEMENT OF APU SELECTOR. PERFORMED APU ECU BITE CHECK IAW AMM 49-61-05. PERFORMED APU START AND SHUTDOWN PROCEDURES IAW AMM 49-11-00. NO DEFECTS NOTED.Aug 8, 2020 · N647GT · Boeing 767306SDR AALA2020081089008Apu · leakingAIRCRAFT WAS GROUNDED: PETROLEUM TYPE ODOR INFLIGHT. SUSPECT AIR CONDITIONING SYSTEM. ACCOMPLISHED TASK CARD 26L00021001 INITIAL TROUBLESHOOTING. BOTH ENGINES RUN NO ODOR. FOUND SOURCE OF ODOR IS APU AIR. REMOVED & REPLACED THE APU IAW J/C 26L31049005. Aug 7, 2020 · N828AW · Airbus A319132SDR UIEA2020080311672Warning Message · false activation"APU FAULT" EICAS MESSAGE WHEN ATTEMPTING TO START APU AFTER LANDING. PERFORMED APU ECU BITE TEST NO FAULTS NOTED. TEST OK IAW AMM 49-61-05. APU START WAS SUCCESSFUL.Jul 31, 2020 · N1373A · Boeing 76731KSDR UIEA2020073101658Apu · unknownAPU FAULTS AFTER 3 START ATTEMPT ON GROUND.(<P>PERFORMED ECU BITE IAW B767 AMM 49-61-05-742-027. NO FAULTS NOTED. STARTED APU AND APPLIED BOTH ELECTRIC AND BLEED AIR LOAD. NO FAULTS.<BR /></P>)Jul 30, 2020 · N1487A · Boeing 76731KSDR UIEA2020072211574Apu · unknownAPU DID NOT START AFTER LANDING. TWO ATTEMPTS UNSUCCESSFUL. PERFORMED APU ECU BITE CHECK. NO FAULTS NOTED. APU STARTED FIRST ATTEMPT. NO FAULTS. REF AMM 49-61-00.Jul 19, 2020 · N1487A · Boeing 76731KSDR UIEA2020072301602Apu · malfunctionedAPU SHUTDOWN DURING PUSHBACK. PERFORMED A BITE ON THE APU ECU, NO CURRENT FAULTS, NORMAL STOP SIGNAL, APU STARTED SECOND ATTEMPT, NO FAULTS IAW AMM 49-61-00.Jul 17, 2020 · N1181A · Boeing 7673Y0SDR UIEA2020062981430Gcu · failedAPU UNRELIABLE FOR ENGINE START. REMOVED AND REPLACED APU GEN / CONTROL UNIT IAW AMM 24-22-02, OPS CHECK OK. NO FAULTS NOTED. STARTED ENGS / SEVERAL TIMES. APU GEN STAYED ON LINE, NO FAULTS NOTED. GOOD START. AMM 71-00-00.Jun 28, 2020 · N640GT · Boeing 7673S1SDR UIEA2020062961408Apu · faultedAPU FAULT, WILL REMAIN OPEN FOR COLD START PER MCC. T/S IAW FIM 49-11 FT 958. NO FAULTS NOTED. OPS CHECKED IAW AMM 49-00-00.Jun 26, 2020 · N1373A · Boeing 76731KSDR UIEA2020062501398Warning Message · false activationAPU DID NOT START ON FIRST ATTEMPT AFTER LANDING AND "APU FAULT" EICAS MESSAGE DISPLAYED. RESET FAULTS AND APU IS OPERATING NORMAL WITH NO FAULTS AT THIS TIME IAW AMM 49-00-00. APU IS GOOD FOR CONTINUOUS SERVICE.Jun 24, 2020 · N1373A · Boeing 76731KSDR HALA2020062200129Actuator · faultedETOPS SIGNIFICANT SYSTEM - APU START FAULT - 3 ATTEMPTS. REMOVED AND INSTALLED SERVICEABLE APU FLAP ACTUATOR PER AMM 49-16-51-000-801-A AND 49-16-51-400-801-A. OPS CHECK GOOD. OK TO CONTINUE.Jun 21, 2020 · N379HA · Airbus A330243SDR UIEA2020062201334Filter · faultyAPU INOP (AUXILIARY POWER UNIT (APU), ER OPERATIONS NOT ALLOWED. T/SHOOTING REPLACED GENERATOR FILTER IAW AMM 49-27-07. SYSTEM TESTED OK. THIS CLEARS MDDR 130054.Jun 20, 2020 · N1487A · Boeing 76731KSDR UIEA2020060101160Clamp · leakingV BAND CLAMP LEAKING ON DUCT ON APU. REMOVED AND REPLACED V BAND CLAMP. OPERATIONAL CHECK NORMAL. LEAK CHECK NORMAL IAW AMM 49-11-00.May 26, 2020 · N641GT · Boeing 76738ESDR ASAA2020052632749Unknown · malfunctionedCSS START ATTEMPT FAILED AT FL400. FAULT LIGHT ILLUMINATED QRH COMPLIED WITH NO OTHER ATTEMPT. GROUNDED - YES. ON DEFERRAL.May 19, 2020 · N487AS · Boeing 737990ERSDR UIEA2020050600948Unknown · malfunctionedAPU FAILED AND SHUTDOWN BEFORE ENG START(<P>PLACED ON MDDR 127985 PER MEL 49-11-01A, CAT 'C'.</P><P>08MAY20, BWI LP 1150050, ITEM M5: PERF APU BITE IAW FIM 49-11 FT 958. FOUND NO FAULTS. APU OPERATING NORMAL AND STARTING PARAMETERS SHOW NO SIGNS OF A BAD STARTMay 5, 2020 · N1181A · Boeing 7673Y0SDR AALA202005069001Apu · odorAIRCRAFT WAS GROUNDED. FOUL SMELL OF OIL IN THE COCKPIT AND IN CABIN WITH APU AND AIRCONDITION PACK IS ON. REMOVED AND REPLACED APU IAW JOB CARD 26L31049003.May 5, 2020 · N510UW · Airbus A321231SDR ABXA202005084057Pressure Switch · malfunctionedAPU SHUTDOWN DURING PUSH BACK WOULD NOT RESTART. AIRCRAFT WAS GROUNDED.May 4, 2020 · N226CY · Boeing 767383SDR UIEA2020042300817Unknown · malfunctionedAPU FAULT/NO START 3 ATTEMPTS.(<P>PERFORMED 3 CONSECUTIVE STARTS OF THE APU IAW 767 AMM 49-11-00, ALL STARTS SUCCESSFUL WITH NO FAULTS.</P>)Apr 19, 2020 · N1373A · Boeing 76731KSDR UIEA2020042000772Unknown · malfunctionedAPU INOP(<P>TRANSFER TO MDDR #127270 IAW DDG 49-11-01A, CAT 'C'.</P><P>LP 1208303: ACCOMPLISHED ECU BITE TEST IAW AMM 49-61-05. TEST OK. THIS CLEARS MDDR 127270.</P>)Apr 19, 2020 · N1511A · Boeing 767383SDR GTIA2020033035139Apu · leaking5000 DECENDING CABIN & COCKPIT FILLED WITH ACRID ODOR SMELLY SOCKS-PERFORMED TSM 05-50-00-810-831. FOUND APU LEAKING, AND PACK 1 AND 2. CONTAMINATION IAW AMM 21-00-00 SEE LOG PG 261695802 FOR MX PROCEDURE. A/C BACK TO SERVICEMar 28, 2020 · N656NK · Airbus A320232SDR AALA202003309002Apu · odorAIRCRAFT WAS GROUNDED: VERY MUSTY SMELL IN CABIN REPORTED BY CABIN CREW IN FLIGHT AND ON GROUND. REPLACED APU IAW JOB CARD 26L31049003. PERFORMED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM IAW JOB CARD 26L00021004.Mar 28, 2020 · N738US · Airbus A319112
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