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 2004UALA00907Apu · inoperativeRETURNED TO THE FIELD WHEN THE LT GENERATOR WENT OFF LINE AND THE APU WOULD NOT START. APU START SWITCH AND APU ELECTRONIC CONTROL UNIT WERE REPLACED PREVIOUSLY DUE TO APU ALTITUDE STARTING PROBLEMS. THE ECU TESTED WITHIN LIMITS. APU START SWITCH WAS NOT ROSDR DLM88040948Apu · smokeAPU CAUSED SMOKE IN THE CABIN AFTER LANDING IN LGA WITH LAV SMOKE DETECTOR GOING OFF. FOUND APU LEAKING OIL INTO INLET. PERFORMED PNEUMATIC SYSTEM DUCT BURN OUT OPN 5089. ALL NORMAL NO SMOKE OR ODOR IN CABIN, ALSO DEF APU PER MEL 49-00-01A.SDR 04277703Apu · contaminatedLAV SMOKE INDICATION. DECLARED EMERGENCY RTF, LANDED SAFELY. MX PERFORMED ENGINE RUN WITH APU ON, GOT OIL SMELL AND FOUND OIL IN APU ENCLOSURE.SDR 2004UALA00844Carbon Seal · failedAPU AUTO SHUT DOWN DUE TO LOSS OF OIL PRESSURE. SHOP FINDINGS REVEALED DRIVEN COMPRESSOR FRONT CARBON SEAL ASSEMBLY LEAKED. THE INTERNAL LIP SEAL WAS PINCHED BY THE WAVE WASHER AND EXCESSIVE ABRAIDABLE MATERIAL IMPEEDED CARBON TRAVEL. THE DRIVEN COMPRESSOR WSDR MALA040577Apu · shutdownAPU-AUTO SHUTDOWN IN FLIGHT. AFTER TAKEOFF THE APU AUTO SHUTDOWN AND NR 1 ENGINE WAS ALREADY ON MEL. AIR RETURN TO GRB. MAINTENANCE DEFERRED APU DUE TO AUTO SHUTDOWN IAW MEL 49-00-1 (C) C/B PULLED PLACARDED, ENTERED INTO DRM MOX NOTIFIED. MAINTENANCE REMOVESDR SIMA200425601Apu · smokeDURING GROUND OPERATIONS WITH APU POWER AND BLEEDS ON CREW NOTED SMOKE IN CABIN. CREW PERFORMED APU SHUTDOWN AND UNLOADED PASSENGERS SAFELY. NO FURTHER INCIDENTS WRE REPORTED. SMOKE AND ISOLATED TO THE AUP AND AN MEL WAS ISSUED. REPLACED APU. OPERATIONAL SDR 04FDEA02568Duct · delaminatedAPU INTAKE ELBOW HAS MULTIPLE DEBONDS AND BULGES. REPAIRED APU INTAKE ASSY IAW A300-600 AMM 49-16-14 AND EA 6-4915-81873.SDR SWIA200413759Apu · smokeFOLLOWING APU START, RECEIVED A (CARGO SMOKE) WARNING AND AURAL MESSAGE MOMENATARILY. INSPECTED APU ASSEMBLY AND DUCTING FOR LEAKS. STARTED APU SEVERAL TIMES WITH NO ANNOUNCED INDICATIONS, OPERATIONAL CHECK GOOD.SDR MASA200400444Seal · blownRECEIVED A LAV SMOKE WARNING DURING TAXI. ON CALL MX INSPECTED AND FOUND NO EVIDENCE OF SMOKE OR FIRE AND COMPLIED WITH MEL PROCEDURES. MAINTENANCE FOUND APU COMBUSTION SEAL BLOWN AND PLACED THE APU ON MEL 10/17/04. MAINTENANCE REMOVED AND REPLACED THE APU.SDR DLM88040705Apu · failedAPU GEN KICKED OFF INFLIGHT WITH A/C XTIE LOCKOUT RESULTING IN RT A/C BUS UNPOWERED. REPLACED GCU.SDR SWIA200413604Apu · fireAPU SHUT DOWN WITHOUT WARNING. ATTEMPTED RESTART. GROUND PERSONNEL ADVISED FLAMES PRESENT. DISCHARGED APU BOTTLE. INSPECTED APU COMPARTMENT AND AIRFRAME, NO FIRE DAMAGE NOTED. APU FIRE BOTTLE DISCHARGED. REPLACED APU WITH A SERVICEABLE UNIT IAW 49-10-00.SDR 5040070604DCombustion Liner · separatedBURNER CAN INTERIOR VANES SEPARATING.SDR ASOA04503Apu · failedDURING APPROACH INTO ATL FROM MYR, THE CREW RECEIVED AND AUXILIARY POWER UNIT FAULT, SHUTDOWN, MESSAGE WITH THE NR 1 GENERATOR DEFERRED. AN EMEGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE AUXILIARY POWER UNITSDR REX2004F00003Apu · leakingAT APPROX 1000 FEET AGL ON INITIAL CLIMB OUT, THE FLIGHT CREW OBSERVED A LIGHT BLUE SMOKE COMING FROM THE AIR VENTS. THIS WAS FOLLOWED BY A REPORT OF SMOKE IN THE CABIN AND A TOILET SMOKE WARNING. FLT CREW DONNED THEIR OXYGEN MASKS AND DECLARED AN EMERGENCY.SDR SWIA200413505Apu · failedAPU AUTO SHUTDOWN ON GROUND. STRONG ODOR OF ELECTRICAL SMOKE IN COCKPIT PRIOR TO APU SHUTDOWN. RECEIVED APU FIRE WARNING. COMPLIED WITH QRC AND QRH PROCEDURES. FERRIED TO SLC. REMOVED AND REPLACED APU ASSEMBLY IAW MM 49-10-00 AND RII 49-401. OPS CHECK GOSDR C2XA04CL065Apu · odorDAY FLIGHT 2286 THE CREW REPORTED AFTER STARTING THE APU A MINOR BURNING ODOR WAS NOTED. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL 49-00-00.SDR USAABB04053Apu · inoperativePIT - FLT 642 - EN ROUTE, RIGHT IDG WAS DISCONNECTED AND THE APU WAS OPERATING. CREW RECEIVED THE E/M 'APU OIL QTY.' FLIGHT DIVERTED TO PIT AND LANDED. UPON LANDING, THE APU PERFORMED AN AUTO SHUTDOWN. MAINTENANCE REPLACED SEVERAL PARTS, HOWEVER THE APU COSDR QXEA200400436Apu · inoperativePDX - WHILE ON THE GROUND AFTER ENGINE SHUTDOWN WITH APU ON, NOTICED ACRID SMELL IN CABIN. REMOVED AND REPLACED APU. LEAK AND OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR CA040602005Turbine · seized(CAN) DURING INITIAL START AN UNUSUAL NOISE WAS HEARD FROM THE APU. THE UNIT WAS RUN FOR APPROXIMATELY ONE HOUR WITH NO ABNORMAL INDICATIONS. UPON FURTHER INVESTIGATION OF THE NOISE IT WAS DISCOVERED THAT IT WAS NOT POSSIBLE TO ROTATE THE TURBINE WHEEL BY HANDSDR 2004UALA00526Apu · malfunctionedAPU ON AT GATE FOR 3 MIN. PUT BOTH PACKS ON NOTICED BLUE-OIL SMOKE IN COCKPIT & CABIN. REPLACED APU. STAT-O-SEALS FAILED IN THE DRIVEN COMPRESSOR MODULE. RUBBER WAS EXTRUDED AND TORN FROM BOLT HEAD AND SHAFT. NO LOOSE BOLTS NOTED. SEALING FUNCTION COMPROMISDR USAASA04049Ring · leakingPIT - FLT 127 - EN ROUTE PHL-SAN, WITHT NE NR 2 ENGINE INTEGRATED DRIVE GENERATOR IDG ON MINIMUM EQUIPMENT LIST MEL, THE AUXILIARY POWER UNIT APU, SHUTDOWN DURING FLIGHT. FLIGHT DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NRSDR SIMA200412702Apu · failedRIC - FLT 4507 - DURING TAXI CREW RECEIVED APU GEN OFF BUSS MESSAGE. RESET GENERATOR WHILE PARKING AIRCRAFT. DC BUSS FAILED CAUSING NUMEROUS ELECTRICAL WARNINGS AND NOTICED SMOKE FROM RIGHT SIDE OF AIRCRAFT. APU SHUTDOWN AND FIRE BOTTLE EXTINGUISHED. SMOKE SDR CA040426009Apu · failed(CAN) DURING START OF NR 4 ENGINE, THE APU GENERATOR WENT OFF LINE CAUSING AN ABORTED START. ON SECOND ATTEMPT FLAMES CAME OUT OF THE EXHAUST. THE CREW WAS REPORTED OF THIS INCIDENT AND A/C WAS RETURNED TO GATE FOR INSPECTION BY MAINTENANCE. FOLLOWING THE ISDR COMA0460263Apu · malfunctionedFLIGHT 5890 APU SHUT DOWN DURING FLIGHT DUE TO HIGH TEMP, NR 2 IDG HAD BEEN DEFERRED. FLIGHT WAS DIVERTED TO SDF. INSPECTED APU ECU FOR FAULT CODES, NO CODES DISPLAYED. PERFORMED AN OPERATIONAL TEST OF APU, OPERATION OF APU SATISFACTORY.SDR AUS20040259Apu · failed(AUS) APU FAILED TO START DURING TAXI.SDR DLM88040286Apu · failedSMOKE IN CABIN FROM PACKS WHEN FIRST APPLIED FROM APU ON TAKEOFF. NORMAL POWER WITH EGT QUITE HIGH, ABOUT 585 DEG, GOT A BURNING ODOR THAT SET OFF SMOKE DETECTORS IN AFT LAV LASTED ONLY A SHORT TIME. REPLACED APU PERFORMED DUCT BURNOUT AND REPLACED WATER BAGSDR TSAA0449036Apu · failedAPU LOW OIL PRESSURE LIGHT CAME ON. FAULT 49-911007, INSPECTED APU, NO OIL IN TANK. ADDED 5 QTS. EVIDENCE OF OIL LEAK ON APU SHROUD. REMOVED AND REPLACED APU IAW M-715 AND CONFORMED WITH TASK CARDS 49-152-00-01, 49-040-00-01, AND 49-030-00-01. VERIFIED OPSDR C2XA04CL031Bleed Valve · faultyEWR FLIGHT 2060, THE CREW REPORTED A STRONG FUEL ODOR WHEN THE APU WAS STARTED. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL 49-00-00. ON 3/31/04 MAINTENANCE REPLACED THE APU BLEED AIR VALVE. OPERATIONAL CHECKS WERE GOOD.SDR C2XA04CL026Bleed Valve · faultyCLE FLIGHT 2906, THE CREW REPORTED A FUEL ODOR IN THE COCKPIT AFTER THE APU WAS STARTED IN FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE APU BLEED VALVE. OPERATIONAL CHECKS WERE GOOD.SDR SWIA200413022Apu · failedAPU SHUTDOWN AUTOMATICALLY ON GROUND, HAD BEEN CYCLING BETWEEN 690 DEGREES - 725 DEGREES, FLAMES OUT THE EXHAUST AND CONTINUED FUMES LED TO PRECAUTIONARY DEPLANING. REMOVED AND REPLACED APU ASSY IAW RII49-401.SDR CA040322006Plenum · fractured(CAN) WHEN APU STARTED IT WOULD NOT ACCELERATE PAST 40 PERCENT. INVESTIGATION FOUND A LARGE BREACH OF PLENUM ASSY. NATURE OF FRACTURES APPEARS TO BE FATIGUE RELATED DUE TO VIBRATION. APU REMOVED AND FURTHER INVESTIGATION REVEALED A COMPLETELY DETACHED PIECE BRSDR USA2004F00015Apu · leakingENROUTE, CREW RECEIVED THE EICAS MESSAGE (R GEN DRIVE) AND THE ASSOCIATED LIGHT. THE IDG WAS DISCONNECTED. THE APU WAS BROUGHT ON LINE, BUT SUBSEQUENTLY PERFORMED AND AUTO SHUTDOWN. THE FLIGHT DIVERTED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLASDR AUS20040219Apu · contaminated(AUS) APU FILTER INDICATOR ACTIVATED. INSPECTION FOUND METAL CONTAMINATION OF MAGNETIC PLUG.SDR YK1R062001Apu · failedDURING TAXI, SMOKE RAPIDLY FILLED THE COCKPIT AND THE CABIN. EMERGENCY SHUTDOWN OF ALL SYSTEMS WAS PERFORMED, GROUND EMERGENCY DECLARED AND AIRCRAFT EVACUATED. IT WAS FOUND DUE TO FAILURE IN THE APU, OIL ENTERED THE BLEED AIR DUCT WHICH CAUSED THE SMOKE. SYSDR 2004UALA00155Stator · misinstalledINTERMITTENT ODOR AND HAZE IN CABIN. T2 STATOR ASSEMBLY OFTEN SUPPLIED BY THE VENDER AS COMPLETELY ASSEMBLED. SUBASSEMBLY HELD TOGETHER BY TWO WRAPS OF SAFETY WIRE FOR SHIPMENT. UNITED SHOP PROCEDURES DOES STATE TO REMOVE WIRE IF PRESENT (OEM CMM USED). UNISDR A6WA200440025Apu · smokeSMOKE FROM APU, SHUTDOWN APU AND BLEW BOTTLE. REMOVED AND REPLACED APU FIRE EXTINGUSHER IAW AMM 26-22-07. OPS CHECK GOOD. PERFORMED OPS CHECK OF APU, NO DEFECTS NOTED. (M)SDR 04052424Apu · leakingDURING AIRCRAFT OPERATION THE CREW RECEIVED A LAVATORY SMOKE MESSAGE. THE APU LOAD CONTROL VALVE WAS FOUND TO HAVE OIL RESIDUE CAUSING THE SMOKE. APU WAS DEFERRED FOR PARTS AND LATER REPAIRED.SDR SIMA200405501Fuel Nozzle · brokenDISCOVERED FUMES IN CABIN AND COCKPIT SMELLS LIKE RAW JET FUEL. WALK AROUND INSPECTION REVEALED APU LEAKING FUEL. FOUND BROKEN FUEL NOZZLE. RAI APU FUEL NOZZLE IAW MFG MM. LEAK CHECKED APU, NO LEAKS NOTED AT THIS TIME. (SW21200404647)SDR TSAA0449022Ecu · failedFLT 441 - OAK-HNL - APU FAULT LIGHT ILLUMINATED ON FINAL APPROACH, AUTO SHUTDOWN. REPLACED APU ECU. SYSTEM OPS CHECK GOOD IAW MM 49-61-12-4. AIRCRAFT RETURNED TO SERVICE. (M)SDR BB04014Apu · faultyWITH LT IDG ON MEL, APU WAS OPERATING ON THE GROUND. APU PERFORMED AN AUTO SHUTDOWN. APU WAS RESTARTED AND SHUTDOWN AGAIN. AFTER SEVERAL ATTEMPTS AT REPLACING COMPONENTS (SURGE VALVE, ECU, LCIT SENSOR), APU REPLACED (11FEB04). VERIFICATION FLIGHT WAS PERFOSDR RAIA00401023Apu · contaminated5255-PIT- SMOKE IN FLIGHT DECK AREA. MAINTENANCE DISCOVERED APU HAD INGESTED GLYCOL AND DEFERRED APU BLEED.SDR C2XA04BT009Bleed Valve · unsecureCREW REPORTED FUEL SMELL WHEN APU STARTS & BLEED IS ON. MAINTENANCE INSPECTED AND PLACED THE APU ON MEL AND RELEASED THE AIRCRAFT IAW MEL NR 49-00-00 CATEGORY-C CONTROL 035629. AFTER ARRIVAL EWR MAINTENANCE RESECURED THE APU BLEED AIR VALVE IAW EMB145MM 36-1SDR USAASA04005Filter · contaminatedEN ROUTE, CREW RECEIVED AN ECAM WARNING FOR SMOKE IN AN AFT LAV. NO FIRE OR SMOKE WAS FOUND. A SECOND ECAM ALERT WAS RECEIVED FOR THE OTHER AFT LAV. AGAIN, NO EVIDENCE OF A FIRE WAS FOUND. SHORTLY THEREAFTER, A WARNING WAS RECEIVED FOR THE FORWARD LAV. FLSDR 2004F00252Scroll · crackedDURING SCHEDULED MAINTENANCE, FOUND 3 INCH CRACK ON TURBINE SCROLL P/N 384600-9. APU REMOVED FOR REPAIR S/N P816. (M)SDR CA040115003Apu · smoke(CAN) ON ARRIVAL TO THE GATE, GROUND POWER WAS PLUGGED IN, SMOKE IN THE FLIGHT DECK AND CABIN WHEN APU BLEED AIR AND PNEUMATICS SELECTED 'ON'. CAPTAIN THEN SELECTED APU ELECTRICAL 'ON' AND F/O CONTACTED GROUND CONTROL TO REQUEST CFR. SMOKE CLEARED AND MAINTENSDR COMA0460025Apu · flamed outFLIGHT 5837 APU FLAMED OUT DURING T/O. RESET TRIPPED CIRCUIT BREAKER.SDR A6WA200460001Apu · inoperativeSMOKE IN CABIN WHEN APU IS SUPPLYING AIR TO PACKS. MAINTENANCE PERFORMED PACK BURNOUT AND REMOVED AND REPLACED APU. (M)SDR COMA0460019Apu · contaminatedFLIGHT 5762 SMOKE IN CABIN AND COCKPIT. DETERMINED SMOKE TO BE FROM GYCOC IN APU. DEFERRED APU PER MEL.SDR C2XA03CL218Odor · detectedCLE FLIGHT 2327 THE CREW REPORTED A MOMENTARILY SMOKE ODOR IN THE CABIN ON LANDING WHEN SELECTING THE APU BLEED. MAINTENANCE INSPECTED AND PLACED THE APU BLEED SYSTEM ON MEL.SDR C2XA03CL216Apu · odorDURING ROUTINE MAINTENANCE A STRONG FUEL ODOR IN THE COCKPIT WAS NOTED WHEN THE APU WAS STARTED. MAINTENANCE RELEASED THE A/C IAW MEL 49-00-00. MAINTENANCE REPLACED THE APU ASSEMBLY. OPERATIONAL CHECKS WERE GOOD.
Back to JASC 4920