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 UIEA201806051030Apu · unknownAPU WILL NOT START. PERFORMED TWO APU STARTS IAW AMM 49-11-00, BOTH STARTS SUCCESSFUL ,SDR ASAA2018060624894Warning Message · false activationAPU OVERSPEED WITH AUTO SHUTDOWN. ACFT GROUNDED. PERFORMED AN APU OPS TEST, AND APU BITE PROCEDURE. OPS TESTED GOOD AND NO NO FAULTS IN APU BITE CURRENT STATUS. IAW FIM 49-30 TASK 802.SDR UIEA201806011008Apu · unknownAPU WOULD NOT START AFTER LANDING. TWO ATTEMPTS, FAULT ON BOTH. PERFORMED A BITE TEST IAW FIM 49-11 FT 958. RAN APU THREE COMPLETED CYCLES WITH LOADS IAW AMM 49-11-01. NO FAULTS NOTED.SDR AALA201805299035Apu · dirtyAIRCRAFT WAS GROUNDED. FLIGHT ATTENDANT REPORTS A KEROSENE/FUEL ODOR DURING CLIMB OUT IN CRUISE WENT AWAY ON DESCENT SMELL OF DIRTY SOCKS FROM FLIGHT ATTENDANT IN AFT OF AIRCRAFT. APU HAS BEEN ISOLATED AS CAUSE OF CABIN ODOR. CLEANED APU PER MM 49-16-00. OPS CSDR UIEA2018052600966Apu · faultedAPU FAULT ON LANDING. WOULD NOT START. ACCOMPLISHED AN APU BITE PROCEDURE IAW FIM 49-11 FT 958. NO FAULTS NOTED. CHECKED OK.SDR UIEA2018052500956Apu · shutdownAPU AUTO SHUTDOWN, UNABLE RESTART. REMOVED AND REPLACED THE APU AND OPS CHECKED GOOD IAW AMM 49-11-01.SDR ASOA201805225136Turbine Wheel · damagedCREW REPORTED SMOKE IN COCKPIT AND CABIN WITH APU RUNNING. MX FOUND DAMAGE TO APU TURBINE WHEEL. MX REMOVED AND REPLACED APU WITH OPERATIONAL CHECK GOOD. A/C WAS APPROVED FOR RETURN TO SERVICE.SDR WX0A2018052573325Intake · contaminatedFA REPORTED A DIRTY SOCK ODOR DURING FLIGHT. CLEANED THE APU AIR INTAKE AND REPLACED THE OZONE FILTERS.SDR UIEA2018052210927Apu · malfunctionedAPU INOPERATIVE. FOLLOWED FIM 49-11 FT 982 NO FAULTS NOTED AT THIS TIME. RECORDED THE PRESSURE READINGS FOR APU ON SEVERAL MODES ALL WITHIN LIMITS. APU NO LOADS, DUCT PRESSURE 35/34 PSI. APU WITH ADP ON, DUCT PRESSURE 25/23 PSI. APU WITH LT PACK ON, DUSDR WX0A2018052173324Plenum · contaminatedBAD ODOR IN CABIN DURING DECENT. FOUND TRACES OF OIL IN THE APU INTAKE PLENUM. CLEANED THE PLENUM.SDR DALA2018061504018Apu · shutdownON APU START, APU STARTED AND THEN SHUT DOWN. NO FAULT LIGHT RPM DROPPED IMMEDIATELY TO ZERO. GRN CREW REPORTED FLAME OUT THE EXHAUST. COMPARTMENT NO EXTERNAL DAMAGE FOUND. FWD APU TO MCO AND PLACARD PER MEL 49-00-01A M PROC C/W. R&R APU ASSY OPS + LK CK GOOD SDR AALA201805169025Apu · odorTHE AIRCRAFT WAS GROUNDED. SMELLED OIL FUMES WITH APU BLEED ON / STARTED ENGINES AND FUME SMELL CONTINUED. ACCOMPLISHED J/C 26L00021001, FOUND SOURCE OF CABIN ODOR TO BE APU. ACCOMPLISHED PACK BURN WITH ENGINES, NO ODORS NOTED AND AIRCRAFT IS OK FOR SERVICE.SDR UIEA2018051500896Apu · malfunctionedAPU INOPERATIVE. INSPECTED APU AND CLEARED THE MESSAGE ON EICAS, PERFORMED BITE ON ECU, NO FAULTS FOUND. STARTED APU 3 TIMES, ALSO RAN PACKS AND APPLIED ELECTRICAL LOAD, ALL OPS NORMAL IAW AMM 49-11-00.SDR UIEA2018042000748Module · malfunctionedAPU FAULT MESSAGE DISPLAYED. INSPECTED APU INLET SCREEN, NO FINDINGS, CHECKED PRESSURE SUPPLY TUBE FOR THE SURGE CONTROL VALVE, NO FINDINGS IAW AMM 49-00-00, REMOVED AND REPLACED THE APU FLOW SENSING MODULE IAW AMM 49-53-08, OPS CHECKED GOOD.SDR AALA201804209007Apu · faultyABOUT 1 MINUTE AFTER TAKEOFF, A BURNING, ACRID ODOR WAS DETECTED IN THE COCKPIT. APPROXIMATELY 3 MINUTES LATER, THE AFT CABIN CALLED WITH THE SAME ODOR, AND MOVED FORWARD. ALL THE WAY TO THE FRONT OF BUSINESS CLASS. THE ODOR WAS STRONGER ON THE RIGHT SIDE.SDR YENA201804130176Inlet · contaminatedMODERATELY DIRTY SOCK ODOR FROM ABOUT 2000 FT TO 8000 FT. ONLY NOTICEABLE IN COCKPIT. FOLLOWED INFO NOTICE 2017-T015C. FOUND APU CONTAMINATED WITH OIL. PULLED AND COLLARED CIRCUIT BREAKER L41 L42. APU COMP AND AIR INLET SOAKED IN OIL, NO VISIBLE SIGNS OF LEAKSDR P5CA2018041600061Apu · malfunctionedAPU INOPERATIVE. BITE TESTED THE APUC, NO FAULT FOUND IAW AMM 49-61-05. OPS TESTED THE PACKS IAW FIM 49-11 FT A08, CHECKED SURGE VALVE, FUNCTIONED NORMAL. DUCT PRESSURE NORMAL, PERFORMED ENGINE DRY MOTORING, CHECKED DUCT PRESSURE, FOUND NORMAL IAW AMM 71-SDR AALA201804119019Apu · inoperativeFLIGHT CREW REPORTED AN ODOR IN THE CABIN. AIR CONDITIONER CONDENSER, REHEATER, OZONE FILTER, FLOW CONTROL VALVE COMPLIANCE WITH J/C 26L00021001 AND EA 279322. APU FOUND TO BE INOPERATIVE. BOTH ENGINE IDG OIL LEVELS WERE CHECKED AND SERVICED AS REQUIRED. ASDR AALA201804119018Actuator · leakingCREW REPORTED A STRONG ODOR THROUGH-OUT THE AIRCRAFT WITH PACKS ON. AUXILIARY POWER UNIT INLET GUIDE VANE ACTUATOR LEAKING EXTERNALLY. REPLACED AUXILIARY POWER UNIT INLET GUIDE VANE ACTUATOR IAW AMM 49-32-51-400-004-A 16. AIRCRAFT WAS GROUNDED.SDR UIEA2018041000647Apu · malfunctionedAPU RELIABILITY COLD START ACCOMPLISHED ON FLIGHT CVG - SCK SAT -55C FL340, START UNSUCCESSFUL. THREE ATTEMPTS, NO START NOTED BY MX, ECU BITE PERFORMED, NO FAULTS FOUND, APU RUNS ON GROUND. AIRCRAFT OK FOR SERVICE IAW AMM 49-11-00.SDR UIEA2018041000661Inlet · contaminatedDURING TAXI IN, APU WOULD NOT START AFTER 3 ATTEMPTS EICAS MESSAGE FOR APU FAULT WAS PRESENT. PERFORMED APU ECU BITE TEST ECU BITE SHOWED APU INLET DOOR START ONE ABORTED START 2 AND 3 FOUND DEICING FLUID IN APU INLET DOOR CLEANED S506 INLET DOOR OPEN SW STASDR GTIA2018040602563Apu · leakingDIRTY SOCK, MUSTY ODOR PRESENT AFTER EXTERNAL AIR START. FOUND THE APU WITH AN INTERNAL OIL LEAK, REMOVED AND REPLACED THE APU IAW AMM 49-11-11, AND OPS CHECK OK, NO DEFECTS NOTED, LEAK CHECKED OK.SDR UIEA2018040400537Spring · damagedAPU BLEED SURGES, VALVE FILTER SPRING IS DAMAGED. R & R APU BLEED SURGE VALVE SPRING. OPS CHECKED NORMAL AND NO LEAKS IAW AMM 49-53-06.SDR UIEA2018040500594Engine · malfunctionedAPU START PRESSURE LOW RT ENGINE. 22 PSI. ACCOMPLISHED APU GROUND TEST OF THE APU, GROUND START SYSTEM ENGINE START NORMAL. IAW AMM 71-00-00.SDR ASAA2018032824062Apu · malfunctionedAPU HAD DMM DATA DISCREPANCY. ACFT GROUNDED. REMOVED & REPLACED THE APU. OPS & LEAK CHECKED GOOD IAW AMM 49-11-00-400-803.SDR UIEA2018032600462Pressure Switch · inoperativeAPU INOPERATIVE. R & R APU DPI PRESSURE SWITCH IAW AMM 49-20-07. OPS CHECKED GOOD.SDR CA180314006Apu · contaminated(CAN) HEAVY SMOKE NOTED COMING INTO AIRCRAFT AFTER TAKEOFF. CREW DIVERTED BACK TO DEPARTURE AIRPORT, DELCARED AN EMERGENCY AND LANDED WITHOUT ISSUES. 1 PAX ON-BOARD. MX IN WORK, PERFORMED INSP AND FOUND DE-ICE FLUID ON TAIL SECTION STILL DRIPPING DOWN AND ASDR AALA201803159009Apu · contaminatedON BOARDING THE ACFT, STRONG ODOR THROUGHOUT THE AIRPLANE AND ON THE JETWAY. THE ACFT WAS POWERED BY THE JETWAY FOR ELECTRIC AND APU FOR AIR. ACCOMPLISHED J/C26L00021001 ODOR FUMES INITIAL TROUBLESHOOTING AND J/C26L00021002 FOR THE APU SMOKE ODOR AND J/C26LSDR ASAA2018031323870Seal · out of limitsAPU SIGMA SEAL INSP FOUND SIGMA SEAL OUT OF LIMITS. GROUNDED - YES. REPLACED SIGMA SEAL ON APU REF AMM 49-15-11.SDR ASAA2018031323834Apu · defectiveAPU CT5ATP TEMPERATURE CONTINUES TO BE ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU. REF T/C 78349010. OPS CHECK GOOD.SDR AALA201803139014Apu · odorAIRCRAFT WAS GROUNDED. CABIN/APU ODOR TROUBLESHOOT. FOUND APU THE SOURCE OF CABIN ODOR. REPLACED HEPA FILTERS. STARTED BOTH ENG(S) AGAIN WITH EXTERNAL PNEUMATIC AIR RAN BOTH PACKS WITH ENGINE BLEED FOR 10-15 MINS, NO CABIN ODOR/FUMES NOTED.SDR UIEA2018031200368Battery · dischargedAPU BATTERY DISCHARGED, CONSIDERED APU INOPERATIVE. REMOVED AND REPLACED THE APU BATTERY IAW AMM 24-31-04.SDR UIEA2018031100363Apu · faultedAPU FAULT, NO START. ACCOMPLISHED AN OPS CHECK IAW AMM 49-11-00, AND ACCOMPLISHED AN ECU CHECK IAW AMM 49-61-05. RAN APU, CHECKED NORMAL, NO FAULTS.SDR UIEA2018030900357Apu · faultedAPU FAULT, APU FAILED TO START. PERFORMED A BITE TEST ON ECU, NO LIGHT. FAULT CLEARED. IAW FIM 49-11, APU OPS NORMAL.SDR ASAA2018030923792Ecu · faultedMATENANCE BLUE LIGHT ON WITH OIL LEVEL FOUND FULL. ACFT GROUNDED. REVIEWED MAINTENANCE HISTORY ON APU BITE, NO FAULTS ASSOCIATED WITH DMM. REMOVED & REPLACED THE APU ECU IAW AMM 49-61-12. GROUND VERIFICATION TEST PASSED.SDR AALA201803079017Apu · odorAPU FOUND TO BE CAUSE OF CABIN ODOR, SUSPECT INTERNAL LEAK. AIRCRAFT WAS GROUNDED. REPLACED THE APU.SDR UIEA2018030500322Control Valve · failedAPU FAILED AND FAILED TO RESTART. ACCOMPLISHED AN APU BITE IAW FIM 49-11 FT 958. FOUND REVERSE FLOW FAULT, ACCOMPLISHED FIM 49-11 FAULT TREE 965, REMOVED AND REPLACED THE APU SURGE CONTROL VALVE IAW AMM 49-53-01. OPS CHECKED GOOD.SDR AALA201803089007Apu · odorFLIGHT ATTENDANT REPORTED AN ODOR IN CABIN. DISSAPPATED AFTER 10 MINUTES. REMOVED & REPLACED APU IAW AMM.SDR DALA2018030301346Apu · contaminatedDURING TAXI IN, AFTER APU START, NOTICED ODOR IN COCKPIT & FWD GALLEY, BURNING OIL ODOR. ODOR BECAME STRONGER AT GATE AFTER ENG SHUTDOWN. ON WALK AROUND, FOUND OIL BEING INGESTED INTO APU NON RAM DOOR INLET. PERFORMED CABIN SMOKE AND ODOR TROUBLESHOOTING IAWSDR AALA201803029005Apu · contaminatedDIRTY SOCK ODOR NOTED BY AFT FLIGHT ATTENDANT DURING CLIMB. RAN ON GROUND WHEN DEPARTING AN IN CLOUDS AFT TAKE OFF WHEN ODOR WAS NOTICED. FOUND EXCESS AMOUNTS OF DE ICE FLUID IN APU ACCESS COMPARTMENT. COMPLETED J/C 26L00021001, J/C 26L00021002, J/C 26L0002100SDR AALA201803029004Apu · contaminatedCABIN ODOR REPORTED AND UPON INITIAL TROUBLESHOOTING ACCOMPOLISED AT GATE ISOLATED TO APU NO EXTERNAL LEAKS ON APU BUT IT WAS OVER SERVICED. SERVICED APU TO CORRECT LEVEL RAN PACKS WITH APU STILL HAVE ODOR. MOVED ACFT TO REMOTE NORTH PAD FOR ENGINE RUN AND TO SDR JGVR20180301002Bellmouth · corrodedBLENDED CORRODED APU EXHAUST DUCT BELL MOUTH, PERFORMED ULTRASONIC THICKNESS AND EDDY CURRENT CRACK INSPECTION AND REPORTED TO TEXTRON FOR DISPOSITION. REINSTALLED DUCT PER TEXTRON MEMO.SDR HALA2018030100062Apu · auto shutdownAPU AUTO SHUTDOWN. FOUND FUEL SPLY, FCU, FLOW DIVIDER ASSY FAULTED ON TAXI IN. APU TESTED OK ON THE GROUND IAW AMM 49-00-00-710-801-A. APU STARTED SUCCESSFULLY THREE TIMES. RAN APU FOR 1 HOUR, NO FAULTD NOTED.SDR HALA2018022800054Warning Message · false activationAPU STATUS MESSAGE DISPLAYED. PERFORMED A CHECK OF APU AND VISUALLY VERIFIED OIL LEVEL IAW AMM 12-13-49. MESSAGE EXTINGUISHED. OK FOR SERVICE. NO OTHER DEFECTS NOTED ON GROUND.SDR HALA2018022700053Apu · malfunctionedSMOKE ODOR IN THE CABIN, FOLLOWED BY APU SHUTDOWN. REMOVED AND REPLACED THE APU IAW TASK CARD E1128-717-49-006. OPS AND LEAK CHECKED GOOD. OK FOR SERVICE.SDR AALA201802279027Apu · odorDUE TO CABIN ODOR, ACCOMPLISH CABIN AIR QUALITY IAW J/C 26L00021001. BASED ON FINDINGS, ACCOMPLISH DECONTAMINATION J/C 26L00021004. CHANGED APU IAW JOB CARD 26L31049003, OPS CHECKED GOOD AND PERFORMED JOB CARD 26L00021004, NO FURTHER DISCREPANCIES NOTED.SDR WX0A2018022373307Apu · faultySTRONG FUEL SMELL THROUGHOUT ENTIRE PLANE WITH APU AIR ON. R&R APU.SDR ASAA2018021823691Drain · dirtyDIRTY SOCKS ODOR DURING TAKEOFF & LANDING. ACFT GROUNDED. PERFORMED CONDITIONAL INSPECTION IAW AMM 05-51-56, AND FIM 05-51, TASK 814. PERFORMED APU DRAIN MAST INSPECTION IAW AMM 49-16-11, FOUND THE MIDDLE DRAIN FOR THE LOAD COMPRESSOR SEAL TO BE WET. RASDR WX0A20180221305Inlet · contaminatedMOLDY SOCK ODOR IN COCKPIT. CLEANED OIL RESIDUE FROM INLET AND APU COWLING. R & R BOTH RECIRCULATION FILTERS.SDR AALA201802199064Apu · faulty. DURING DESCENT, CABIN AIR HAD MUSTY SMELL LIKE A DIRTY SOCK. PERFORMED CABIN ODOR TROUBLE SHOOTING AND FOUND SOURCE OF ODOR TO BE FROM AUXILIARY POWER UNIT. REPLACED AUXILIARY POWER UNIT.
Back to JASC 4920