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 HALA2015110500026Apu · faultedIN CRUISE FLT NOTED ELECT DC PAGE "APU TR" SHOWING 304A, NORMALLY 0, APU OFF FOUND APU TR INDICATING 30V/304A, GREEN. ACCOMPLISHED FWC SYS TEST, BLC BITE TEST AND MCDU APU TR RESET. NO FAULTS NOTED. CONDITION SAME. APU BATTERY COOL TO THE TOUCH. NO EVIDENCNov 4, 2015 · N395HA · Airbus A330243SDR HALA2015110205034Apu · malfunctionedAIRCRAFT RETURNED TO DEPARTURE DUE TO ELECTRONIC-APU T/R FAULT. REPLACED APU T/R.Nov 2, 2015 · N393HA · Airbus A330243SDR HALA201511010024Apu · faultedAPU TR FAULT. FOUND APU TR INOPERATIVE. R & R APU TR IAW AMM 24-32-51. OPS CHECK GOOD. OK FOR SERVICE.Nov 1, 2015 · N393HA · Airbus A330243SDR ASAA2015101913442Warning Light · false activationAPU FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT WHILE TAXIING. LIGHT EXTINGUISHED WHEN APU START SWITCH TURNED OFF IAW QRH. ACFT GROUNDED. ACCOMPLISHED FIM 49-40-821 STEP E, FOUND 1 INSTANCE OF 49-41254, 5 STARTS OLD. ACCOMPLISHED 3 APU STARTS, NO FAULTOct 19, 2015 · N474AS · Boeing 737990ERSDR HNAA2015101900304Apu · odorRAMP REPORTED BURNING ODOR IN CARGO BAY AREA, WHEN APU WAS STARTED. INSPECTED CARGO BAY. NO EVIDENCE OF SMOKE OR FIRE. FOUND OIL VAPOR COMING FROM APU VENT MAST. SERVICE APU OIL. GROUND RAN APU. OPERATED APU BLEEDS, NO LEAK OR ODOR NOTED. AIRCRAFT OK FOR SOct 19, 2015 · N343EN · Dhav DHC8311SDR ASAA2015100913433Warning Message · false activationAPU FAULT ON CSS FIRST ATTEMPT FL 380. ACFT GROUNDED. APU GROUND START VERIFICATION GOOD. NO DEFECTS NOTED.Oct 9, 2015 · N584AS · Boeing 737890SDR ASAA2015100413321Unknown · unknownTHE APU WOULD NOT ACCEPT THE BUSSES ON TAXI IN. NUMEROUS ATTEMPTS WERE MADE, ABOUT 10 AFTER NR 2 WAS SHUTDOWN IN THE CHOCKS IT WENT ON THE BUSSES. ACFT GROUNDED. ACCOMPLISHED APU BITE REF FIM 49-60, TASK 801. FOUND FAULT MESSAGE 49-41245, ACCOMPLISHED FIM Oct 4, 2015 · N584AS · Boeing 737890SDR ASAA2015092513208Warning Light · illuminatedFAULT LIGHT ILLUMINATED DURING INFLIGHT START FL 340 LIGHT EXTINGUISHED WITHIN 5 MINUTES. SUBSEQUENT START SUCCESSFULL. ACFT GROUNDED.Sep 25, 2015 · N587AS · Boeing 737890SDR HNAA2015092500285Relay · failedDURING GROUND POWER. NOTICED SMOKE FROM APU COMPARTMENT. FIRE DETECTOR LIGHT ILLLUMINATED. MANUALLY DISCHARGED FIRE BOTTLE. RED DISK DID NOT DISCHARGE. R & R 2449-K62 RELAY IAW MM 24-31-09. PN ON AND OFF AJ-A4N-176. R & R START GENERATOR FOR APU IAW WC Sep 24, 2015 · N330EN · Dhav DHC8311SDR ASAA2015082012969Warning Light · illuminatedAFTER APU START THE MAINT LIGHT ILLUMINATED. ACFT GROUNDED. ON DEFERRAL.Aug 20, 2015 · N516AS · Boeing 737890SDR ASAA2015081712912Warning Light · illuminatedAPU BLUE MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE PROCEDURE REF FIM 49-60, TASK 801. NO FAILURES FOUND ON CURRENT STATUS PAGE AND FAULT HISTORY PAGE. MAINTENANCE HISTORY PAGE SHOWED MESSAGES 49-91227, LOW OIL QUANTITY LOW, 49-72207 MAug 17, 2015 · N474AS · Boeing 737990ERSDR ASAA2015081512894Warning Light · illuminatedCSS INCOMPLETE APU FAULT LIGHT ILLUMINATED ON 1ST & 2ND ATTEMPTS. 1ST 380 TAT-26, SAT-52 ASA + 5. 2ND 380 TAT -23, SAT -49 ISA +7. ACFT GROUNDED. ON DEFERRAL.Aug 15, 2015 · N519AS · Boeing 737890SDR UHLA201507300614Apu · fireWHILE APPROACHING THE GATE, THE CREW DISCHARGED THE APU FIRE BOTTLES AFTER A CONFIRMED APU FIRE. THE APU WAS R & R.Jul 30, 2015 · N266SK · Emb EMB145LRSDR AALA20150730010Apu · smokeAS CREW CLOSED DOORS THE FLIGHT ATTENDANT REPORTED SMOKE IN THE AFT CABIN. SLIDES WERE DEPLOYED & AIRCRAFT EVACUATED. THE TAIL CONE SLIDE FAILED TO DEPLOY. R & R APU IAW MCM 49-96-82. ACCOMPLISHED PACK BURN OUT IAW MCM 21-92-12. APU OPERATIONAL & LEAK CHJul 30, 2015 · N7548A · Doug DC982SDR ASAA2015072512594Apu · malfunctionedDURING CSS, FAULT LIGHT ILLUMINATED DURING START ATTEMPTS AT FL380, FL350, AND FL 320. ACFT GROUNDED.Jul 25, 2015 · N562AS · Boeing 737890SDR HALA2015070300128Switch · unknownAPU FUEL LO PR ON APU ECAM PAGE, APU AVAILABLE BELOW FL 250 ON STATUS PAGE. REPLACED APU LOW FUEL PRESSURE SWITCH, 59KF17 IAW AMM 49-34-11. OPS AND LEAK CHECKED GOOD, NO FAULT NOTED DURING APU RUN. OK FOR SERVICE.Jul 3, 2015 · N385HA · Airbus A330243SDR DALA2015061103774Apu · odorCREW PERFORMED AN ATB AT FL130 DUE TO THE F/A REPORT OF HAZE IN AFT CABIN. ACCOMPANIED BY THE AFT LAVATORY SMOKE DETECTORS SOUNDING. MAINTENANCE INSPECTED ENGINES AND APU FOR OIL LEAKS. NONE FOUND. PERFORMED DUCT BURNOUT PROCEDURE TWICE. NO FURTHER FUMES Jun 11, 2015 · N903DE · Doug MD88SDR ASAA2015060311963Apu · faultedAPU BITE CURRENT STATUS SHOWS MESSAGE 49-31168, "FCU TEMP SHOWS OUT OF RANGE HIGH". ACFT GROUNDED.Jun 3, 2015 · N435AS · Boeing 737990ERSDR LR7A2015060100588Apu · malfunctionedWITH APU NOT OPERATING, NORMAL FLIGHT OPERATIONS, APU FIRE WARNING LIGHT WOULD INTERMITTENTLY COME ON DURING FLIGHT.May 30, 2015 · Lkheed 382GSDR ASAA2015051711759Apu · failedAPU FAILED TO START ON TAXI-IN . APU LOW OIL PRESSURE LIGHT ILLUMINATED BUT NO EGT RISE. ACFT GROUNDED. VISUALLY CHECKED APU OIL. NO CURRENT FAULTS FOUND ON BITE CHECK OPS CHECK START NORMAL. APU OPS TEST NORMAL IAW AMM 49-11-210-801. NO HISTORY LAST 30 DAYMay 17, 2015 · N597AS · Boeing 737890SDR ASAA2015051211841Filler · corrodedAPU TORQUE BOX INLET AFT FILLER IS CORRODED. ACFT GROUNDED. R & R FILLER IAW SRM 51-40-02, 0G 0.May 12, 2015 · N763AS · Boeing 7374Q8SDR ASAA2015051211840Filler · corrodedAPU TORQUE BOX INLET FWD FILLER IS CORRODED. ACFT GROUNDED. R & R FILLER IAW SRM 51-40-02-0G.May 12, 2015 · N763AS · Boeing 7374Q8SDR ASAA2015051011679Apu · malfunctionedAPU STARTS, APU AIR WORKS, BUT IT WILL NOT POWER THE GENERATORS. APU SHOWS 0 VOLTS. ACFT GROUNDED. OPERATED APU 5 TIMES, EACH TIME VOLTS AND FREQUENCIES NORMAL. PERFORMED APU GCU BITE NO FAULTS IAW FIM 24-21 TASK 801. CDU APU MAINT PAGE SHOWS NO CURRENT FAULTSMay 10, 2015 · N531AS · Boeing 737890SDR SIMA20150501003Unknown · odorAPU HAD NOTICEABLE OIL ODOR IN CAN. ON POST FLIGHT FOUND EXCESSIVE AMOUNT OF OIL ON UNDERSIDE OF APU SECTION. APU OPERATIONS CHECKED GOOD & NO LEAKS FOUND.May 1, 2015 · N537EA · Cndair CL6002C10SDR ASAA2015042811571Module · faultedFOUND CURRENT FAULT 49-72104, DATA MEMORY MODULE SHOWS HIGH CURRENT. ACFT GROUNDED. ON DEFERRAL.Apr 28, 2015 · N589AS · Boeing 737890SDR ASAA2015041911416Apu · malfunctionedAPU FAILED TO START AT FL 36 & FL 320 WITH FAULT LIGHT. FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT FL360, FAULT LIGHT REMAINED ON FOR 4 MINUTES 40 SEC, FAULT LIGHT ILLUMINATED DURING SECOND ATTEMPT AT FL320, FAULT LIGHT REMAINED ILLUMINATED FOR 6 MINUTESApr 19, 2015 · N435AS · Boeing 737990ERSDR DXTA2015042006010Apu · smokeSMOKE IN THE COCKPIT. APU WAS STARTED ABOUT FIVE MINUTES PRIOR TO LANDING & WAS OPERATING NORMALLY. UPON LANDING & TAXI IN APU QUIT DURING ENG SHUTDOWN. WE THOUGHT WE HAD BUMPED A SWITCH. AFTER THE PAXS DEPARTED ABOUT FIVE MINUTES WE TESTED, GOOD TEST & REApr 18, 2015 · N662QS · Cessna 560XLSDR ASAA2015041311344Apu · malfunctionedDURING APU START SEQUENCE, APU FAILED TO STABILIZE AND FAULT LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE CHECK REF 49-61-00, MAINTENANCE MSG 49-41011 FOUND, PERFORMED FIM TASK 49-40, TASK 802 IAW STEP F, A, FAULT DEEMED TO BE INTERMITTENT FAULT, NO FApr 13, 2015 · N461AS · Boeing 737990ERSDR ASAA2015041111299Apu · faultedAPU BITE INOPERATIVE, NO INTERFACE BETWEEN APU AND ECU. ACFT GROUNDED. ACCOMPLISHED FIM 49-65, TASK 801 FAULT ISOLATION PROCEDURES A THRU F. BITE RESTORED. ACCOMPLISH APU BITE 49-60-801.Apr 11, 2015 · N593AS · Boeing 737890SDR ASAA2015040911300Warning Light · illuminatedAFTER LANDING, APU FAULT LIGHT ILLUMINATED ON FIRST ATTEMPT, AFTER 5 MINUTES, FAULT LIGHT EXTINGUISHED AND APU STARTED ON SECOND ATTEMPT. ACFT GROUNDED. PERFORMED APU BITE PROCEDURE FOUND FAULT CODE 49-41011 FIM NO FLAME SHUTDOWN. PERFORMED APU START, STARTApr 9, 2015 · N560AS · Boeing 737890SDR AALA201504089003Pressure Switch · leakingNOTICED A DIRTY SOCK SMELL IN COCKPIT & AFT CABIN, TAKEOFF POWER & CLIMB. FLIGHT ATTENDANTS NOTICED IT FOR LAST 5 MIN OF FLIGHT IN ENTIRE CABIN. INSPECTED ACFT IAW 26L00021001 & 26L00021003. NO EXTERNAL LEAKAGE SOURCES NOTED FROM ENGS OR EXTERNAL FUSELAGE AApr 7, 2015 · N672AW · Airbus A320232SDR ASAA2015033111169Data Unit · failedAPU FAULT CODE 49-72104 DMM SHOWS CIRCUIT FAILURE LOGGED IN FMC/CDU. ACFT GROUNDED. APU FAULT CODE 49-72104 SHOWS UNDER MAINT HISTORY ON ALMOST EVERY OF LAST 33 STARTS. R & R APU DATA MEMORY MODULE REF MM 49-72-11. OPS NORMAL REF SAME. PERFORMED 3 EA SPU STMar 31, 2015 · N584AS · Boeing 737890SDR ASAA2015032511104Apu · unknownENGINEERING REQUESTS APU REPLACEMENT DUE TO DMM DATA DISCREPANCY. ACFT GROUNDED. REMOVED APU REF AMM 49-11-00-000-803 AND TASK CARD 78349010. STARTED INSTALLATION OF NEW APU REF AMM 49-11-00-400-803 AND COMPLETED STEPS 7. H, I, J, K, L, M & N. 1-5, A, C & Mar 25, 2015 · N471AS · Boeing 737990ERSDR ASAA2015032311092Apu · unknownAPU ON STARTUP INTO GATE, GOT FAULT ANNUNCIATOR, SHUT IT OFF. ACFT GROUNDED. ACCOMPLISHED APU BITE, FOUND FAULT 49-41012. NO ROTATION SHUTDOWN. MADE 2 APU STARTS, START NORMAL, SUSPECT APU COLD SOAK.Mar 23, 2015 · N461AS · Boeing 737990ERSDR ASAA2015032311091Apu · unknownFL 350, APU "FAULT" LIGHT ILLUMINATED, 2 TIMES FAILED TO START. CSS AT FL 300 PASSED NORMALLY. ACFT GROUNDED. FOUND FAULT 49-31016, OVER TEMP SHUTDOWN, 2 STARTS OLD, IAW FIM 49-30-TASK 803.Mar 23, 2015 · N584AS · Boeing 737890SDR ASAA2015032311090Apu · malfunctionedON TAXI IN APU START HAS NO START WITH FAULT LIGHT. FAULT LIGHT EXTINGUISHED AT GATE FOLLOWING POWER TRANSFER TO GROUND POWER. SECOND START ATTEMPT, OPS NORMAL START, FOLLOWING 5 MIN OFF IAW QRH. ACFT GROUNDED. PERFORMED THE APU FIM TASK 49-40, 803 FAULT IMar 23, 2015 · N461AS · Boeing 737990ERSDR USAA2015032300003Apu · leakingODOR IN FWD CABIN FROM APU START TO 25000. ODOR REAPPEARS DURING DESCENT THROUGH 10,0000 TILL AT GATE. R & R APU IAW CARD 26L31049005. OPERATIONS CHECKED GOOD.Mar 21, 2015 · N831AW · Airbus A319132SDR USAA2015032300005Apu · leakingCABIN & COCKPIT ODOR WITH APU BLEED ON. ON GND IN AIR DURING DESCENT SLIGHT ODOR IN COCKPIT ONLY. REPLACED APU IAW JC 26L31049003. OPERATIONAL CHECKED GOOD.Mar 20, 2015 · N118US · Airbus A320214SDR ASAA2015031710997Apu · malfunctionedAPU DID NOT START. APU FAULT LIGHT ILLUMINATED. 2 ATTEMPTS WERE MADE WITH NO RISE EGT. ACFT GROUNDED. PERFORMED FIM 49-40, TASK 803, APU BITE SHOW FAULT HISTORY MESSAGE 49-41-012 APU NO TORTION SHUTDOWN. CYCLE APU SRT SWITCH TO ON. MESSAGE DID NOT SHOW FORMar 17, 2015 · N538AS · Boeing 737890SDR HNAA2015031300090Apu · malfunctionedAPU FAILED WITH BLEEDS ON AND HEAVY FUEL ODOR. INSPECTED APU. NO EVIDENCE OF FUEL LEAKAGE. RESTARTED APU WITH BLEED ON. APU FAILS AFTER GEN SELECTED. OPS NORMAL WITH BLEEDS ONLY.Mar 13, 2015 · N328EN · Dhav DHC8311SDR P5CA2015031200017Duct · brokenAPU AIR SURGE DUCT BROKEN IAW AMM 49-53-01. R & R AIR SURGE DUCT APU OPS CKS NORMAL.Mar 11, 2015 · N644GT · Boeing 7673JHFSDR HNAA2015022300058Apu · fireFUELER REPORTED FLAMES AND SMOKE COMING FROM APU EXHAUST, APU HUNG START. DISCHARGED APU FIRE BOTTLE. R & R APU FIRE BOTTLE IAW WC, 26-20-09X, 26-20-04F AND 26-21-01. RAN APU AND FOUND TO BE HUNG START. R & R FORWARD PURGER VALVE IAW HS 49-20M, THEN START NOFeb 23, 2015 · N940HA · Dhav DHC8102SDR ASAA2015021510659Seal · out of limitsAPU SIGMA SEAL HEIGHT IS OUT OF LIMITS IAW TC 78349000. ACFT GROUNDED. R & R SIGMA SEAL IAW AMM 49-15-11-000-801 & 49-15-11-400-801.Feb 15, 2015 · N563AS · Boeing 737890SDR ASAA2015021010614Seal · out of limitsAPU SIGMA SEAL IS OUT OF HEIGHT LIMITS IAW TC 78349000. ACFT GROUNDED. R & R APU SIGMA SEAL IAW AMM 49-15-11.Feb 10, 2015 · N530AS · Boeing 737890SDR ASAA2015021010595Fault Code · activatedAPU HAS HISTORY OF FAULT LIGHT ILLUMINATING DURING CSS. ACFT GROUNDED. R & R APU IAW TC 78349010. OPS TEST GOOD.Feb 10, 2015 · N530AS · Boeing 737890SDR FDEA201501080098Apu · contaminatedLEFT PACK IS PRODUCING VERY STRONG BURNING OIL ODOR. VERIFIED ODOR WITH LT PACK OPERATING. ODOR WAS THE STRONGEST DURING DESCENT. IAW FIM 21-00-01 301 OPENED LT ENG & DISCONNECTED HIGH STAGE DUCT, MOTORED ENGINE. FOUND NO EVIDENCE OF OIL ODOR AT ENGINE. RJan 8, 2015 · N989FD · Boeing 757231SDR ASAA2014122710079Warning Message · false activationAPU FAULT LIGHT ILLUMINATED ON START, TWO ATTEMPTS. ACFT GROUNDED. PERFORMED FIL TASK 49-30, TASK 803. APU STARTED NORMALLY . NO FAULTS FOUND. DID FIND MESSAGE 49-31175. THIS MESSAGE IS RELATED TO 49-31016. AFTER NUMEROUS STARTS APU MAINT MESSAGE DID NOT SDec 27, 2014 · N435AS · Boeing 737990ERSDR DXTA2014120805943Apu · contaminatedSMOKE FILLED COCKPIT & CABIN AFTER ACTIVATION OF BLEED AIR ON APU. BORESCOPED APU INLET AREA AND IMPELLER. HEAVY AMOUNTS OF OIL THROUGHOUT THE AREA. REMOVED APU IAW MM 498-10-00 AND DRAINED OIL. CLEANED OUT APU CONTAINMENT BOX AS REQUIRED. INSTALLED THE APUDec 6, 2014 · N697QS · Cessna 560XLSDR ASAA2014112609780Solenoid · failedDURING ENGINE START, MAX MOTORING ON NR 2 ENGINE REACHED 16.6 PERCENT N2. ABORTED ENGINE START. ABORTED ENGINE START QRC COMPLETED. ACFT GROUNDED. REPLACED APU FLOW DIVIDER SOLENOID IAW AMM 49-31-15. OPS CHECK AND LEAK CHECK VERIFIED.Nov 26, 2014 · N593AS · Boeing 737890SDR DXTA2014112105929Apu · smokeCABIN FILLED WITH SMOKE WHEN APU BLEED AIR TURNED ON. R & R THE APU IAW MM 49-10-00. OPS & LEAK CHECKED GOOD.Nov 20, 2014 · N553QS · Cessna 560XL
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