Pratt & Whitney PW4077
Service difficulty reports · 3,169
Newest first. General aviation reporting is voluntary.
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 engine_model_key = 'PW4077' 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 engine_model_key = 'PW4077' 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 UALA2011013100518Battery · inoperativeALL THE EMERGENCY LIGHTS ON ALL OF THE SEATS IN THE BACK HALF OF BUSINESS CLASS IS OUT. REPLACED BATTERY M33098 ABOVE DOOR 2R, LIGHTS ALL OPS CHECKED GOOD NOW.SDR UALA2011013100528Bushing · shearedDOOR 1L, NR8 AFT STOP FITTING BUSHING IS SHEARED OFF. CASTING IS OK. REPLACED BUSHING AND RIG STOP.SDR UALA2011013100519Battery · inoperativeEMERGENCY CEILING LIGHTS AT 12,13 AND 15 RT ARE OUT. REPLACED BATTERY M33098 ABOVE DOOR 2R, LIGHTS ALL OP CHECKED GOOD.SDR UALA2011013100520Lamp · inoperativeEMERGENCY LIGHT AT SEAT 20C IS OUT. RELAMPED, OPS CHECKS GOOD.SDR UALA2011013100525Lamp · inoperativeCEILING LIGHT ABOVE SEAT 24J IS INOP. RELAMPED, OPS CHECKS GOOD.SDR UALA2011012800476Power Supply · inoperativeDOOR 4R EMERGENCY POWER SUPPLY M33409 DID NOT KEEP LIGHTS ILLUMINATED FOR 15 MINUTES. REPLACED POWER SUPPLY.SDR UALA2011012600423Circuit Card · malfunctionedFLT CONTROL SYS MESSAGE ON STATUS FOUND ON ETOPS CHECK. FLT CONTROL SYS MESSAGE APPEARS AND WILL DISAPPEAR BY TURNING ON AND OFF THE HYD SYS LT, CTR & RT. WHEN PRESSURE IS OFF MESSAGE APPEARS. WHEN PRESSURE IS ON MESSAGE GOES AWAY, REPLACED B31208 COUPLER IAWSDR UALA2011012600438Connector · faultyDOOR 2L EPAS BATTERY OP TEST, AMBER TEST LIGHT ON EPAS BATTERY DOES NOT COME ON. T/S IAW WDM. TEST IS OK. R & R PLUG DS52125. OPS CK GOOD.SDR UALA2011012400375Module · faultyCSCP WON'T TURN OFF LIGHTS AT ROWS 1,2,3, 8,9 & ENTRY DOORS. CSCP DIM FUNCTION INOPERATIVE CB'S ON P320 PANEL PULLED G2, H4, H10, L2, L2 LIGHTS IN ZONE 1 INOP DF RAISED IAW MEL 3321A ()STANDBY ETOPS LIGHT MX TEST CARRIED OUT, CONFIRMED 75 PER OPS. PA OPS OK,SDR UALA2011012400376Light · unsecureSEAT 3E EMERGENCY LIGHT COMING OFF. SECURED LIGHT. OPS NORMAL.SDR UALA2011012400377Connector · unsecureSEAT 1B EMERGENCY LIGHTS INOPERATIVE. SECURED CONNECTOR, OPS OK.SDR UALA2011012400374Module · faultyUNABLE TO CONTROL CABIN LIGHTING DUE TO "ECS NO COMM" MESSAGE ON CACP. L1 DOOR CACP INOP. REPLACED ZMU 1 IAW MM, GROUND CHECK NORMAL.SDR UALA2011012400392Girt Bar · dirtyIAW FLIGHT CREW, DOOR 3R DIFFICULT TO DISARM. CLEANED GIRT BAR. DOOR OPS CHECKED GOOD DOOR 3R.SDR UALA2011012000339Pcu · leakingRUDDER HYD ACTUATOR LEAK. REPLACED UPPER PCU. LEAK AND INSTALLATION TEST GOOD IAW WU K0323F.SDR UALA2011012100362Module · inoperativeRT FWD FUEL PUMP INOPERATIVE. REPLACED RT FWD PUMP SWITCH MODULE ASSY. OPS CHECKED PUMP OPERATION OK.SDR UALA2011011900308Charger · faultySTATUS MESSAGE BAT CHARGER APU. REPLACED AND TESTED APU CHARGER PER MM, CHECKS OKAY.SDR UALA2011011900297Starter · faultyLEFT ENGINE WOULD NOT START AUTO OR MANUAL. REPLACED LEFT ENGINE STARTER IAW AMM.SDR UALA2011011700272Wire · broken39C EMERGENCY PATH LIGHT INOPERATIVE. FOUND WIRE BROKEN OF LIGHT AT 39C. WIRE TAPED AND SECURE. ALL ADJACENT LIGHT OPERATE NORMAL. REPLACED LIGHT ASSY AND SECURED HARNESS, OPS CHECKED OK.SDR UALA2011011700273Engine · surgesNR 1 ENGINE SILENT SURGE. ACCOMPLISHED VISUAL CHECKS OF INLET, EXHAUST, 2.5 BLEED OPENING AT 6 O'CLOCK & 2.9 BLEED SCREEN AT 2 O'CLOCK CHECKED FOR SIGNS OF DAMAGE OR DEBRIS. ACCOMPLISHED BOROSCOPE OF HPC STAGES 5, 6, 8, 9,14 & 15. ACCOMPLISHED ALL VISUAL SDR UALA2011011700251Circuit Card · faultyEAI CARD L STATUS MSG AT GATE. NO TIME TO FIX, COMPLIED WITH MEL AND DEACTIVATED LT ENG AI VALVE OPEN. RESET CARD, NO HELP. SUGGEST CHANGING EAI VALVE. REPLACED EAI CARD AND RESTORED SYSTEM.SDR UALA2011011700281Apu · shutdownAPU SHUTDOWN WITH FAULT LIGHT, FLIGHT DIVERTED. REPLACED APU, OP'S CHECKED OK, NO LEAKS NOTED.SDR UALA2011011800294Tube · obstructedLT AND RT MAIN TANK H20 SCAV JET PUMP CHECK. ACCOMPLISHED H20 SCAV JET PUMP CHECK. FOUND LT JET PUMP NOZZLE CLEAN, NO DEBRIS. FOUND TWO SMALL PIECES OF DEBRIS IN RT JET PUMP NOZZLE. CLEANED NOZZLES AND REINSTALLED. ACCOMPLISHED CHECK OF THE RT TANK VENT TUSDR UALA2011011300205Motor · faultySTATUS MESSAGE APU CONTROL. COMPLIED WITH MEL. AHM INDICATES MESSAGE 49-10760 E-STARTER BRUSH WEAR FIM 49-40 TASK 807. REPLACED APU STARTER MOTOR PER MM.SDR UALA2011011300215Actuator · out of positionFUEL ISLN VALVE APU FUEL ISOLATION VALVE POSITION IS NOT IN COMMANDED POSITION. REPLACED APU FUEL ISOLATION VALVE ACTUATOR. OPS NORMAL.SDR UALA2011011200202Control Unit · faultySTATUS MESSAGE FLIGHT CONTROL SYS SHOWING ON LOWER EICAS. REPLACED RIGHT WING OUTBOARD AILERON POWER CONTROL UNIT AS PER AMM. AFTER AILERON ADJUSTMENT (RIGGING), OPERATIONAL TEST AND RIGHT AILERON ACTUATOR CONFIDENCE TEST, NO FURTHER MESSAGES PRESENT. ALL TESSDR UALA2011011300216Satcom · faultySATCOM EICAS MSG 2 SATCOM STATUS MSGS. REPLACED SATCOM DATA UNIT PER AMM, BITE TEST OKAY, LOG-ON LOW AND HIGH GAIN GOOD.SDR UALA2011011300210Satcom · faultySATCOM STATUS MESSAGE. CB PULLED AND COLLARED. LOW GAIN CHECKS OKAY. TROUBLESHOT REF FIM 23-15 TASK 843 , REPLACED SDU, CHECKED SOFTWARE (OPS AND ORT) ARE GOOD. GROUND TEST PASSED. MADE CALLS TO 777 ON BOTH CHANNELS--LOUD AND CLEAR. INSTALLATION TEST AT SDR UALA2011011200175Light · inoperativeMID AFT GALLEY CENTER EMERGENCY LIGHT INOP BETWEEN GALLEY CARTS. REPLACED LIGHT ASSY LIGHT OP CHECKED OKAY.SDR UALA2011011300203Processor · faultyTOTAL FUEL QUANTITY INDICATION INOPERATIVE.SAMC TEXT: UPPER EICAS INDICATION IS CORRECT, CALCULATED FUEL IN FMC CORRECT, "TOTALIZER" ON FMC PROGRESS PAGE 2 IS FROZEN ON DEPARTURE FUEL. REPLACED FUEL QUANTITY PROCESSOR PER MM, RAN ENG FOR 5 MIN, OPS CKS NORMALSDR UALA2011010700107Power Supply · inoperativeAFT COACH CABIN SEAT EMERGENCY LIGHTS ARE INOP. REPLACED AND OPS CHECKED GOOD POWER SUPPLY M33401.33401.SDR UALA2011010700108Coupler · faultyRT HF RADIO WILL NOT COUPLE UP TO TUNE A FREQUENCY. SUSPECT BAD COUPLER, REPLACED RIGHT HF COUPLER PER MM. RADIO CHECKS OKAY.SDR UALA2011010700104O-Ring · leakingFUEL DRIPPING FROM LEFT ENGINE GANG DRAIN (LARGE TUBE). O-RINGS FOR MAIN FUEL LINE IN PYLON, WET MOTORED ENG AND CHECKED FOR LEAKS, CHECKS OKAY.SDR UALA2011010600091Precooler · leakingNR 1 ENG, PNEU LEAKAGE NOISE FROM UNDER COWLING. FOUND AIR LEAK FROM PRECOOLER. NR 1 ENG AIR LEAK FROM PRECOOLER, ALSO FAILS LEAKAGE TEST. RECEIVED PARTS AND TOOLING 0030. PRECOOLER REMOVED AT 0200. REPLACED L ENG PRECOOLER.SDR UALA2011010700120Check Valve · failedFUEL PUMP CENTER LEFT CENTER (OVERRIDE) FUEL PUMP SWITCHED ON AND PUMP OUTPUT PRESSURE LOW. INTERMITTANT AND CHRONIC MSG-2811015 INACTV ER MODE. PERFORMED CH1386 AND REPLACED CHECK VALVE.SDR UALA2011010700117Exciter · failedENGINE IGNITOR R1 RT ENGINE FAILED TO IGNITE USING IGNITOR 1. STATUS MSG-7461492 INACTV ES MODE. EXCITER REF MM. EPLACED EXCITER REF MM. OPS NORMAL.SDR UALA2011010700119Housing · damagedLEFT WING MAIN AFT BOOST PUMP HOUSING VALVE PLATE WILL NOT PROPERLY CLOSE DURING PUMP REMOVAL. NEEDS HOUSING REPLACED ESTIMATE 4 SHIFTS TO REPLACE. FUEL PUMP INSTALLED WITH NO LEAKS NOTED. WILL REQUIRE TANK ENTRY TO ACCOMPLISH.SDR UALA2011010600090Monitor · false activationVIBRATION INDICATION (ENGINE) - BLANK MSG01- ACTIVE ENGINE START HARD; SIGNAL CONDITIONER UNIT (LEFT) HAS NO OUTPUT ON SYSTEM ARINC 629 BUS (LEFT). DB- LEFT AIMS MSG-7708841 ACTIVE ES HARD. RESET CIRCUIT BREAKER PER FIM 77-31-825, NO HELP. RESET AIRCRAFT PSDR UALA2011010400047Pump · leakingNR 2 ENGINE FUEL PUMP DRAIN HAS A STEADY STREAM OF FUEL WITH ENGINE OPERATING. REPLACED ENGINE FUEL PUMP AS PER MM. REINSTALLED FMU WITH NEW PACKINGS AS PER MM. LEAK CHECKED ENGINE. RAN ENGINE AT IDLE, NORMAL PARAMETERS WERE NOTED.SDR UALA2011010400049Controller · faultyANTI-ICE ENG L LEFT ENGINE ANTI-ICE (EAI) VALVE FAILURE TO THE CLOSED POSITION OR LEFT EAI CONTROL CARD FAILURE. REPLACED LT ENG EAI VALVE CONTROLLER IAW MM. ACCOMPLISHED EAI TEST WITH ENG RUNNING IAW MM. ENGINE ANTI-ICE, OPS CHECKS NORMAL.SDR UALA2011010300039Check Valve · faultyCENTER ADP C1 MODULE RPL. DUE TO PREVIOUS FAILURE OF THE PRESSURE TRANSDUCER CHECK VALVE IN THE FILTER MODULE, AS A PRECAUTION NEED TO REPLACE THE COMPLETE FILTER MODULE. NO LEAKS NOTED.SDR UALA2010123004770Indicator · looseENTRY DOOR 3R EPAS RESERVOIR PRESSURE INDICATOR LOOSE. REPLACED RESERVOIR, OPS CK GOOD.SDR UALA2010123004776Connector · looseRT AFT FUEL PUMP EICAS. REPLACED RT AFT BOOST PUMP CO NTROL RELAY K28242 AND RT AFT BOOST PUMP OVERHEAD SWITCH ASSY, NO HELP.SUSPECT PUMP BAD. REPLACED MAIN FUEL TANK ENGINE FUEL BOOST PUMP MOTOR ASSY, NO HELP. SECURED WD28-22-22. RANG WIRES FROM BOOST PUMP CSDR UALA2010123004777Battery · reads lowFLT CONTROL SYS STATUS MESSAGE DISPLAYED WITH MAINT MSG 24-50241 LT FC BATTERY VOLTAGE LOW. REPLACED LT FCDC BATTERY IAW MM, OPS CHECK GOOD, MESSAGE GONE.SDR UALA2010122804749Control Valve · defectiveAPU BLEED AIR STATUS MESSAGE. MAT SHOWS MAINT MESSAGE 49-111 80 SURGE CONTROL VALVE DOES NOT FOLLOW COMMAND. PLACED DEFECT ON MEL 4952A, APU BLEED AIR SYS INOP. REPLACED SURGE CONTROL VALVE.SDR UALA2010122704723Card · failedON ARRIVAL EQUIP COOLING HORN IS BLOWING. TROUBLESHOOTING SYS, FOUND ESS MC-R- CARD SYS FAILING. DEACTIVATED CARD IAW MEL. REPLACED RT ECS CARD, NO HELP. SUSPECT CLOGGED SUPPLY INLET FILTER OR PRESSURE TRANSDUCER. IF NO HELP UTILIZING MT, SUSPECT ECSMC INSTSDR UALA2010122304701Check Valve · brokenCENTER HYD SYS PRESSURE CONTINUOUSLY DROPS TO 2440 WHEN ADP ON. FOUND ADP 1 CHECK VALVE BROKEN AND BROKEN PART WEDGED IN CHECK VALVE ADP FILTER MODULE CAUSING ACMP BACKDRIVING ADP. REPLACED CHECK VALVE ADP1 AND REMOVED BROKEN PART FROM CHECK VALVE IN ADP FILSDR UALA2011010700121Skin · crackedNR 9 SLAT'S OTBD TRACK CUTOUT, HAS A CRACK EXTENDING OUT OF TOP OF CUT-OUT 1.5" LONG. INTERIM REPAIR PER UA EVA 80424 WITH PERMANENT BY 38009 TOTAL TIME. AREA HAS BEEN TAPED. WILL NEED 4 SHIFT SMB FOR LAY-UP REPAIR. TOUGH ACCESS FROM PANEL BEHIND SLAT.SDR UALA2010122104666Circuit Card · failed'ECS CARD R' STATUS MESSAGE WITH CORRELATED MMSG 21-18892, REPLACED ECS R CARD IAW MM, NO HELP. ECS EQUIP COOLING TEST FAILED FOR RT SIDE. GOT MESSAGE 21-14022 FOR TEST. NO COOLING HORN WITH RT ECS CARD OFF IAW MEL 2100A.SDR UALA2010122004652Exciter · inoperativeENG IGNITOR L2 LT ENGINE FAILED TO IGNITE USING IGNITOR 2. REPEAT WRITEUP MSG-7461501 INACTIVE MODE. LT ENG IGNITOR 2 INOP. REPLACED LT ENGINE NR 2 IGNITER PLUG IAW AMM. REPLACED IGNITER LEAD AND EXCITER BOX IAW AMM. PERFORMED IGNITER PLUG TEST.SDR UALA2010122004632Sensor · faultyLEFT EQUIP COOLING FAN STATUS MESSAGE. SUPPLEMENTAL DATA UPDATE REPLACED LEFT FAN, FLOW SENSOR AND FILTER PER MM DUE TO COOLING HORN ON CONTINUOUS WITH LOW FLOW FAULT. OPS NORMAL.
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