JASC 4920
Service difficulty reports · 2,431
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 UPS07650328Engine · inoperativeINSPECTION TYPE:ETOP APU WILL NOT START. T/S PER FIM 49-11-00 FIG 104. RESET APU ECU POWER, APU RUN UP OPS CHECK NORMAL.SDR 2007UALA02715Pressure Valve · failedAPU WENT INTO AUTO SHUTDOWN AND MESSAGE LP VALVE ON EICAS. APU FUEL LOW PRESSURE VALVE FAILURE. REPLACED APU FUEL LOW PRESSURE VALVE.SDR 2007UALA02689Apu · shutdownAPU AUTO SHUTDOWN. [08-17-07] RESET APU ENGINE CONTROL UNIT. APU CK'S OK. AIRPLANE RETURNED TO SERVICE.SDR AALA20071269Apu · failedLGA - ON GROUND T1084/08JUL - AS PASSENGERS WERE DEPLANING WHEN LIGHTS FLICKERED AND WARNING LIGHTS WENT OFF IN COCKPIT. A FLIGHT ATTENDANT REPORTED SMELLING AN ODOR AND SEEING SMOKE OUTSIDE THE AFT RIGHT GALLEY DOOR. DISCHARGED FIRE BOTTLE. EVACUATED REMAISDR 2007UALA02444Apu · shutdownAPU AUTO SHUTDOWN 3 TIME AT GATE. [07-27-07] REPLACED APU BATTERY PRECAUTIONARY DUE TO BAT VOLTS NOTED AT 16VDC DURING CRANKING. INSTALLED A NEW ENGINE CONTROL UNIT DUE TO ORIG BOX DOES NOT RECORD OR CAPTURE FAULTS OF AUTOSHUTDOWN. ALSO, REPLACED OIL SDR 2007UALA02341Apu · shutdownHEARD FIRE BELL NO LIGHT NOTED THEN APU SHUT DOWN. [07-24-07] FOUND SHORTED CONNECTOR FOR TAILPIPE ELEMENT. REPLACED CONNECTOR.SDR DL76L070842Engine · malfunctionedAPU SHUTDOWN DURING ENG START. RESTARTED APU ELECT OK. REPLACED APU ASSY PER AMM. OP AND LK CKS GOOD. REMOVED MCO/PLAC.SDR DL76L070822Engine · making metalAPU AUTO SHUTDOWN AT DEPARTURE, DELAY TAKEN JFK WORKING MCO FOUND METAL ON CHIP DETECTOR. FOUND HEAVY METAL ACCUMULATION ON OIL CHIP DETECTORS. REMOVED AND REPLACED AP PER MM. OPS AND LEAK CHK OK. MCO AND PLACARD REMOVED.SDR 2007UALA02189Apu · shutdownAPU AUTO SHUTDOWN WITH SMOKE IN CABIN. FOUND THREADS STRIPPED AT THE GEARBOX HOUSING OIL OUTLET PORT. THIS CONDITION LEAD TO AN EXTERNAL OILLEAK. THE OIL WAS THEN DRAWN INTO THE INLET THUS CAUSING THE SMOKE IN CABIN. BORESCOPE OF THE POWER SECTION REVEALED DIFSDR 07FDEA02299Engine · failedRETURN TO RAMP DUE TO INABILITY TO SHUT DOWN APU. FOUND PORTIONS OF N1 HAD EXITED DOWN PASSED APU AIR INLET BOOT AT CLAMPS, SLICED THRU APU PRESSURE OIL LINE AND THEN BECAME LODGED INTO APU COMPARTMENT ACCESS DOOR. APU REF WRI 52-40 2307 FOR THE APU ACCESS SDR 2007UALA02141Control Valve · malfunctionedAPU SHUT DOWN ON START, ATTEMPTED 2 STARTS, BOTH FAILED WITH FAULT INDICATION. [07-20-07] REPLACED APU SURGE CONTROL VALVE PER MM 49-53-01-401. ACCOMPLISHED MAIN ENG START PER JRH. OP CHECKS SATISFACTORY.SDR AMTA200700309Apu · inoperativeAPU QUIT, HAD A FAULT LIGHT. (K) REMOVED AND RECONNECTED CONNECTOR PLUG P6. PERFORMED OPS CHECK AND LEAK CHECK IAW MM 49-11-00-4. NO FAULTS NOTED. OK FOR SERVICE. (K)SDR SIMA200716908Inlet · contaminatedBURNING SMELL IN CABIN WITH APU AND NUMBER ONE ENGINE RUNNING, FOUND BUGS IN APU INLET. CLEANED BUGS FROM APU INLET IAW EMB AMM. OPERATIONAL CHECK GOOD WITH NO SMELL DETECTED, RETURNED AIRCRAFT TO SERVICE.SDR SA07038Apu · malfunctionedLAS FLT 971 EN ROUTE, BOS TO LAS. APPROXIMATELY 380 NM FROM LAS, THE APU AUTO SHUTDOWN WITH THE NUMBER TWO IDG WAS INOPERATIVE ON MEL. SINCE THERE WAS NO SUITABLE DIVERSION AIRPORT CLOSER, THE FLIGHT CONTINUED TO LAS AND LANDED WITHOUT FURTHER INCIDENT. MASDR ASMF200706003Apu · failedCAPTAIN REPORTED SMOKE ON AFT LAVATORIES. AT PLATFORM, MAINTENANCE PERSONNEL PERFORMED A TURBINE COOLING SYSTEM CHECK, DETERMINING TO REPLACE THE WATER SEPARATOR OF LT AIR CONDITIONING SYSTEM IAW MM 21-20-01; SO AIRCRAFT WAS SENT TO THE HANGAR AND DURING OVERNSDR DL76G070712Apu · leakingSMOKE REPORTED COMING FROM APU. FOUND EXCESSIVE OIL IN TAIL PIPE REMOVED AND REPLACED APU PER AJIC 7952. APU OPS NML NO LEAKS NOTED AIR AND GEN OPS OK.SDR AMTA200700247Apu · unserviceableAPU AUTO SHUTDOWN. ECU BITE SHOWS (HOT) FAULT. (K) REPLACED APU. OPS AND LEAK CHECK GOOD. (K)SDR UPS07149844Apu · shutdownCREW DECLARED EMERGENCY INTO SJU AFTER APU AUTO SHUT DOWN AND NR 1 GENERATOR WAS PREVIOUSLY DEFERRED ON M350956. [SUP 05-25-07] ACCOMPLISHED OPS CHECK IAW A300 MM 49-10-00-05. OPS CHECK NORMAL AT THIS TIME. R & R NR 1 GENERATOR CONTROL UNIT IAW A300 MM 24-22SDR ASMF200705008Apu · failedDURING TRANSIT CHECK, CAPTAIN REPORTED SMOKE IN PASSENGER CABIN. DURING MAINTENANCE CHECK IT WAS DETECTED OIL LEAKING IN THE ZONE OF LT PRIMARY AND SECONDARY HEAT EXCHANGERS AS WELL AS IN THE FLOOR ACCESS OF AIR CONDITIONED UNITS AREA. MAINTENANCE PERSONNEL RSDR DXTA200702158Apu · smokeSTARTED APU. TURNED BLEED ON AND COCKPIT FILLED WITH A BLUE - GRAY SMOKE, WE COULD NOT SMELL OIL OR ELECTRICAL ODOR. SHUT EVERYTHING DOWN. [SUP 05-03-07] APU OIL LEVEL WAS FOUND OVER SERVICED. CORRECTED SERVICING IAW HONEYWELL MM 49-90-00. REMOVED AND REPLASDR C2XA07IA096Apu · leakingJAN - FLIGHT 2395, THE CREW REPORTED SMOKE IN THE COCKPIT AND CABIN WITH THE APU RUNNING. CONTRACT MAINTENANCE INSPECTED THE AIRCRAFT, AND PLACED THE APU ON MEL 49-00-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. THE AIRCRAFT RETURNED TO IAH ON 04SDR DL76L070354Engine · failedAPU HISTORY OF NO START AND NOT ENOUGH AIR FOR MEC. BITE CK OF ECU SHOWS 143 CODE EGT TRIM MODE WILL REQUIRE APU CHANGE. REMOVED AND REPLACED APU. PERFORMED OPS CHECK AND PNEU CHECK, ALL NORMAL.SDR ASMF200704010Apu · leakingDURING TRANSIT CHECK WAS DETECTED SMOKE AND OIL ODOR IN THE CABIN; ADDITIONALLY, THE SMOKE ALARM OF THE AFT LT LAVATORY WAS ACTIVATED. AIRCRAFT WAS VENTILATED AND SMOKE ALARM WAS DEACTIVATED, AIR CONDITIONING SYSTEM WAS CHECKED, BEING CORRECT. APU WAS DETECTEDSDR TRAX200700503Apu · malfunctionedCREW REPORTED AT 10,000 FT DURING APU START UP FUMES DETECTED IN THE CABIN AND COCKPIT APU WAS SHUT DOWN AND SMOKE AND FUMES PROCEDURES WERE FOLLOWED AND THE FLIGHT LANDED SAFELY. EMERGENCY DECLARED. FLTS 4575, 4710 CX. AUXILIARY POWER UNIT APU - INTAKE DOOSDR HALA0700155Ecu · malfunctionedETOPS SIGNIFICANT SYSTEM, APU FAILED TO START. MAX TEMP 779 WHEN SHUT DOWN AND 25 PERCENT RPM. OIL WAS FULL AT START THEN WENT TO .75. PERFORMED APU ECU BITE PER FIM 49-11-00, NO FAULTS NOTED. START ATTEMPT EGT WITHIN LIMITS PER AMM TSK 49-11-00. PERFORMESDR COMA0760276Apu · fireFLIGHT 5190 - APU AUTO SHUTDOWN AT GATE, SMOKE AND FLAMES REPORTED AT GATE, EMERGENCY DECLARED, FIRE SELF-EXTINGUISHED, SUSPECT RESIDUAL FUEL. DEFERRED PER MEL 49-10-01-1.SDR NOCA06607Apu · malfunctionedAPU IN FLIGHT START UNSUCCESSFUL AFTER THREE ATTEMPTS. A/C OFF E-TOPS.SDR QXEANM09402Drain Valve · misinstalledBALL ON WRONG SIDE OF SPRING, WHICH ALLOWS IT TO REST IN CLOSED POSITION, NOT ALLOWING PROPER DRAINAGE.SDR QXEANM09417Drain Valve · pluggedBALL ON WRONG SIDE OF SPRING ALLOWING IMPROPER DRAINAGE.SDR QXEANM09416Drain Valve · pluggedBALL ON WRONG SIDE OF SPRING ALLOWING IMPROPER DRAINAGE.SDR DL76L070207Engine · failedTHE APU FAILED TO START WHILE TAXIING IN AT BU. THE APU FAULT LIGHT ILLUMINATED. REPLACED APU AND APU ECU AS PER AMM RAN APU NO LEAKS NOTED. ECU SHOWS NML SHUTDOWN NO FAULTS NOTED.SDR QXEANM09410Drain Valve · cloggedBALL ON WRONG SIDE OF SPRING CREATING CLOSED CONDITION AND NOT ALLOWING PROPER DRAINAGE.SDR QXEANM09425Drain Valve · pluggedBALL ON WRONG SIDE OF SPRING ALLOWING IMPROPER DRAINAGE.SDR QXEANM09424Drain Valve · damagedBALL ON WRONG SIDE OF SPRING ALLOWING IMPROPER DRAINAGE.SDR QXEANM09406Drain Valve · damagedBALL ON WRONG SIDE OF SPRING, WHICH ALLOWS IT TO REST IN CLOSED POSITION, NOT ALLOWING PROPER DRAINAGE.SDR QXEANM09404Drain Valve · damagedBALL ON WRONG SIDE OF SPRING, WHICH ALLOWS IT TO REST IN CLOSED POSITION, NOT ALLOWING PROPER DRAINAGESDR QXEANM09401Drain Valve · pluggedBALL ON WRONG SIDE OF SPRING, WHICH ALLOWS IT TO REST IN CLOSED POSITION, NOT ALLOWING PROPER DRAINAGE.SDR DL76G070208Engine · malfunctionedDUE TO HOC REPLACE APU. REMOVED AND REPLACED APU PER MM, OPS CKS OK.SDR ASMF200703005Apu · failedAIRCRAFT RETURNED DUE TO FUEL ODOR IN THE CABIN AT 28,000 FEET. THE UPPER AND LOWER WING PANELS AND APU WERE CHECKED AND NO LEAKS WERE DETECTED. NEVERTHELESS, THE AIR CONDITIONING WATER SEPARATORS AND ENGINES WERE CHECKED BY CONDITION AND LEAKS AND NO ODOR NEISDR C2XA07IA061Apu · burnedBTR - FLIGHT 2679, THE CREW REPORTED AN APU FIRE AT THE GATE AFTER AN UNSUCCESSFUL RESET. MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE APU ON MEL 49-00-00 CAT C CTL 117499, AND 26-22-00 CAT C CTL 117498. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. SDR C2XA07IA060Apu · inoperativeDFW - FLIGHT 2811, THE CREW REPORTED A LAV SMOKE INDICATION AFTER TAKEOFF. THE AIRCRAFT RETURNED TO DFW WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE APU ON MEL 49-00-00 CTL 117353, AND THE AIRCRAFT WAS APPROVED FOR RETUSDR DL76L070193Turbine · making metalAPU FAILED TO START AT DEPARTURE. FOUND METAL ON CHIP DETECTOR. REPLACED APU.SDR C2XA07IA053Apu · malfunctionedIAH - FLIGHT 2984, THE CREW REPORTED SMOKE IN THE CABIN DURING FLIGHT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, AND PLACED THE APU ON MEL 49-00-00 CTL NUMBER 116866, AND THE AIRCRAFT WAS APPROVED FOR RESDR HALA0700075Apu · shutdownATB - APU AUTO SHUTDOWN CLIMBING THRU FL350, FAULT LIGHT ILL AND EICAS MESSAGE "APU FAULT" DISPLAYED. ACCOMPLISHED ECU BITE, FOUND "OVERSPEED" FAULT W/NO MINI FLAGS. ACCOMP FIM 49-11-00 FIG 111. CHECKED P2 SENSE LINES. NO DEFECTS NOTED. AS PER POWERPLANT SDR FDKA200702077Apu · odorFDM 6118 DAY-MCO (0643 PHX LCL). CREW REPORTED APU FIRE MESSAGE WITH SMOKE SMELL FROM APU. MX INSPECTED APU NO DEFECTS FOUND, OPS CHECKED GOOD.SDR AMTA200700064Bypass Valve · unserviceableAPU CONTINUALLY SHUTS DOWN. AFTER REMOVAL AND REPLACEMENT OF COOLER BYPASS VALVE, INSPECTED ALL CHIP DETECTORS AND FILTER BYPASS PINS. ALL CKD GOOD. RAN APU UNLOADED FOR 20 MIN. NO FAULTS. RAN APU 45 MIN UNDER ELEC AND PNEUMATIC LOAD. OPS CK GOOD. (K)SDR MASA200700109Apu · contaminatedASH 7108 BHM - CREW REPORTED A BURNED ODOR IN COCKPIT AFTER BLEED SOURCE WAS TRANSFERRED TO THE APU. MX INSPECTED AND FOUND GLYCOL RESIDUE IN SYSTEM. CLEARED SYSTEM OF GLYCOL, ODOR GONE. AIRCRAFT RETURNED TO SERVICE.SDR AMTA200700112Apu · shutdownAPU AUTO SHUTDOWN. OIL QTY, EICAS MSG (APU OIL QTY). REMOVED AND REPLACED APU IAW M57-49-02. OPS AND LEAK CHECKED GOOD. (K)SDR DL764070146Turbine · making metalAPU AUTO SHUT DOWN 2 TIMES WHEN APPLYING APU ELECT. APU FAULTED MSG 49-27250 LUBE MODULE FILTER SHOWS CLOGGED. PULLED CHIP DETECTORS AND FILTER FOUND METAL AND OIL SMELLS BURNED. FWD TO MCO AND PLAC 49-00-01A. REPLACED APU PER MM.SDR 2007UALA00481Apu · malfunctionedAPU WENT TO 52 PERCENT N1 AND GOT AN APU FAULT DESCENDING THROUGH 25,000 FT. FOUND APU GENERATOR HOUSING CRACKED 4-6" LONG CAUSING OIL LOSS AND SUBSEQUENT APU SHUTDOWN FOR LOW OIL QUANITY. REPLACED APU GENERATOR.
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