Pratt & Whitney PW4056

Service difficulty reports · 12,595

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 = 'PW4056'
  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 UALA2010021900628Connector · faultyEMERGENCY LIGHT INOP AT SEAT 36C. REPLACED CONNECTOR & CONTACTS UNDER EMERGENCY LIGHT CABLE, OP CHECK OKAY.Feb 19, 2010 · N174UA · Boeing 747422 · Light System WiringSDR UALA2010021900632Computer · defectiveSPOILER AND FLAP EICAS WARNING ON LANDING ROLLOUT WITH SPEED BRAKES AND REVERSERS DEPLOYED. REPLACED EICAS COMP, NO HELP, MSG CLRD, SOFTWARE WOULD NOT INPUT, INOPERATIVE PER MEL. REMOVED AND REPLACED LT EICAS COMPUTER AND LOADED SOFTWARE IAW MM. NO DEFECTS Feb 19, 2010 · N671UA · Boeing 767322 · Central WarningSDR UALA2010021900633Anti-Ice Valve · faultyRT BLEED WOULD OPEN AFTER ENG START. RT ENGINE COWL ANTI-ICE VALVE LOCKED CLOSED INSTEAD OF RT PRSOV FOR BLEED PROBLEM. RT ENG NAI VALVE REACTD, BACK TO NML POSITION. REPLACED R-PRVC WITH BORRWED PART, NO HELP, BLD WOULD NOT OPEN. REPLACED RT ENGINE PRSOV Feb 19, 2010 · N672UA · Boeing 767322 · Engine Anti-Icing SystemSDR UALA2010022200636Circuit Breaker · faultyCIRCUIT BREAKER POPPING, FLIGHT DIVERTED. REPLACED CB C883, ACCOMPLISHED TEST OF RELATED SYSTEMS: AUTO BRAKE, TMC, GPWS, ALSO MCDP TEST OF L, C, AND R AUTOPILOTS REPLACED CB. ALL TESTED OKAY.Feb 19, 2010 · N674UA · Boeing 767322 · AC Power Distribution SystemSDR UALA2010022200634Oven · defective1ST CLASS OVEN 12 CYCLES HOT THEN COOL. REPLACED 1ST CLASS OVEN NR 12. OPS CHECK OKAY.Feb 19, 2010 · N197UA · Boeing 747422 · Buffet/GalleysSDR UALA2010021800618Connector · saturatedEMERGENCY LIGHTS AT 53ABC THRU 45ABC WILL NOT ILLUMINATE DURING TEST. FOUND GALLEY EMERGENCY LIGHT CONNECTOR SOAKED IN NASTY WATER. CLEANED UP CONNECTOR AND ADJACENT AREA. EMERGENCY LIGHTS WORK, LIGHTS ASSOCIATED WITH BATTERY M6011.Feb 18, 2010 · N120UA · Boeing 747422 · Emergency LightingSDR UALA2010021800619Connector · saturatedEMERGENCY LIGHTS AFT SIDE OF 4R, LIGHT WILL NOT ILLUMINATE DURING TEST. SUPPLEMENTAL DATA UPDATE FOUND GALLEY EMERGENCY LIGHT CONNECTOR SOAKED IN NASTY WATER. CLEANED UP CONNECTOR AND ADJACENT AREA. EMERGENCY LIGHTS WORK, LIGHTS ASSOCIATED WITH BATTERY M6011Feb 18, 2010 · N120UA · Boeing 747422 · Light System WiringSDR UALA2010021800620Connector · saturatedEMERGENCY LIGHT ON FWD SIDE OF 4L WILL NOT ILLUMINATE DURING TEST. SUPPLEMENTAL DATA UPDATE FOUND GALLEY EMERGENCY LIGHT CONNECTOR SOAKED IN NASTY WATER. CLEANED UP CONNECTOR AND ADJACENT AREA. EMERGENCY LIGHTS WORK, LIGHTS ASSOCIATED WITH BATTERY M6011.Feb 18, 2010 · N120UA · Boeing 747422 · Light System WiringSDR UALA2010021800621Connector · saturatedAFT GALLEY AISLE CROSS EMERGENCY LIGHT WILL NOT ILLUMINATE DURING TEST. FOUND GALLEY EMERGENCY LIGHT CONNECTOR SOAKED IN NASTY WATER. CLEANED UP CONNECTOR AND ADJACENT AREA. EMERGENCY LIGHTS WORK, LIGHTS ASSOCIATED WITH BATTERY M6011.Feb 18, 2010 · N120UA · Boeing 747422 · Emergency LightingSDR UALA2010021800614Controller · faultyW- R ENG BLEED OFF SHUTDOWN R ENG PRV ILLUM. FOUND PRV VALVE PARTIALLY OPEN. NO QUALITY FOR HIGH POWERED RUN. REPLACED PRESS REG VALVE CONTROLLER, HIGH PRESS CONTROLLER AND OVER PRESS SWITCH FOR FAULTS ON AIR SUPPLY MODULE BITE CHECK. RAN ENG AND NO BITE FFeb 17, 2010 · N667UA · Boeing 767322 · Pneumatic Distribution SystemSDR UALA2010021700612O-Ring · inadequateWHEN LEFT FWD PUMP IS TURNED ON, LEFT AFT FUEL PUMP PRESS LOW LIGHT EXTINGUISH WITH LEFT AFT FUEL PUMP SWITCH OFF. PULLED VARIOUS CB'S CONFIGUATIONS, STILL SAME EFFECT. VERFIED HEARING BOTH LEFT FWD AND AFT PUMP RUNNING. REPLACED O-RINGS ON LT FWD FUEL PUMPFeb 16, 2010 · N669UA · Boeing 767322 · Engine Fuel PumpSDR UALA2010021500574Isolation Valve · faultyCLIMB & DESCENT N2 ABV 70P PERCENT LT DUCT PRESSURE VASCILATING FROM 30 TO 38 PSI. BOTH SYS OP CK OK ON ENGINE RUN THROUGH BLEED SHIFTS. LT ISOLATION CHECK VALVE WAS CHANGED. SYS OP CHECK OK.Feb 15, 2010 · N671UA · Boeing 767322 · Pneumatic Distribution SystemSDR UALA2010021600595Window · overheatedANTI-ICE VALVE GOING INOP, FLT DIVERTED. R2 WINDOW OVERHEATS. REPLACED WINDOW. SUSPECT CONTROLLER OVERHEAT THERMOSTAT AS CAUSE. CB'S E30 &E31 PULLED. REPLACED CONTROL & OVERHEAT THERMOSTATS. STATUS MESSAGE CLEARED AND DID NOT RETURN.Feb 15, 2010 · N116UA · Boeing 747422 · Windshield/Door Rain/Ice RemovalSDR UALA2010021500556Lamp · inoperativeEMERGENCY EXIT LIGHT INOP. DOOR 5 RT BUSSLE LIGHT. RELAMPED. OPS NORMAL.Feb 14, 2010 · N105UA · Boeing 747451 · Emergency LightingSDR UALA2010021500557Lamp · inoperativeEMERGENCY EXIT LIGHT INOP. DOOR 5 LT CEILING ENTRY LIGHT. RELAMPED. OPS NORMAL.Feb 14, 2010 · N105UA · Boeing 747451 · Emergency LightingSDR UALA2010021500558Lamp · inoperativeUPPER DECK EMERGENCY EXIT LIGHT INOP. AT DOOR AFT CEILING LIGHT. RELAMPED. OPS NORMAL.Feb 14, 2010 · N105UA · Boeing 747451 · Emergency LightingSDR UALA2010021500559Lamp · inoperativeUPPER DECK EMERGENCY EXIT LIGHT INOP, JUST FWD OF SEAT 17 CEILING LIGHT. RELAMPED. OPS NORMAL.Feb 14, 2010 · N105UA · Boeing 747451 · Emergency LightingSDR UALA2010021500560Light · damagedEMERGENCY EXIT LIGHTS INOP SEAT ROWS 45 THRU 53 LT, DOOR 4 LT FWD EXIT SIGN, DOOR 4 RT AFT EXIT SIGN, LOWER WALL EEL ACROSS DOOR 4 LT, AND DOOR 4 GALLEY AREA LOWER WALL EMERGENCY LIGHT. THIS IS A REPETITIVE PROBLEM IN THIS SPECIFIC AREA. FOUND AND REPAIRED WFeb 14, 2010 · N105UA · Boeing 747451 · Emergency LightingSDR UALA2010021500565Light · missingEMERGENCY LIGHT STRIP MISSING ON SEATS 1AB, 2AB, 4AB AND 6AB. (1EA PER SEAT). REPLACED MISSING EMERGENCY LIGHT STRIPS, CHECKS OK.Feb 14, 2010 · N665UA · Boeing 767322 · Emergency LightingSDR UALA2010021500566Light · missingEMERGENCY EXIT LIGHT STRIP ON SIDE OF SEAT 3H MISSING. REPLACED MISSING EMERGENCY LIGHT STRIP.Feb 14, 2010 · N667UA · Boeing 767322 · Emergency LightingSDR UALA2010021500588Transmitter · faultyCREW REPORTS L ENG OIL PRESSURE IS AT 400PSI ALL OTHER INDICATIONS NORMAL. FLT CREW NOTED 400 PSI AT CLIMB POWER ONLY. READ NORMAL AND MATCHED NR 2 ENGINE AT ALL OTHER POWER SETTINGS INCLUDING DESCENT AND IDLE. IN PROCESS OF REPLACING OIL PRESS TRANSMTR NR 1 Feb 14, 2010 · N665UA · Boeing 767322 · Engine Oil Indicating SystemSDR UALA2010021200533Lamp · inoperativeEMERGENCY EXIT LIGHT INOP DOOR 1L BUSSLE. RELAMPED. OPS CKS NORMAL .Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200534Connector · unsecureUPPER DECK EMERGENCY EXIT SIGN INOP ABOVE RT DOOR. SECURED CONNECTOR. OPS CKS NORMAL.Feb 12, 2010 · N182UA · Boeing 747422 · Light System WiringSDR UALA2010021200535Power Supply · faultyRT OVERWING EXTERIOR EMERGENCY EXIT LIGHTS INOP. 2 MOST FWD LIGHT ASSY'S. REPLACED POWER SUPPLY. OPS CKS NORMAL.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200536Feeder Cable · damagedEMERGENCY EXIT LIGHTS INOP. SEAT ROWS 45 THRU 53 LT, DOOR 4 LT FWD EXIT SIGN, DOOR 4 RT AFT EXIT SIGN, LOWER WALL EMERGENCY LIGHTS ACROSS DOOR 4 LT, AND DOOR 4 GALLEY AREA LOWER WALL EMERGENCY LIGHTS. REPLACED FEEDER RIBBON, ALL LIGHTS CHECK OK.Feb 12, 2010 · N182UA · Boeing 747422 · Light System WiringSDR UALA2010021200537Lamp · inoperativeEMERGENCY EXIT LIGHT INOP. DOOR 2 GALLEY AREA CTR LOWER WALL. REPLACED LAMP, CKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200538Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, SEAT ROW 19 RT. REPLACED LAMP, CKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200539Lamp · inoperativeEMERGENCY EXIT LIGHT INOP ROW 19 RT CEILING. REPLACED LAMP, CKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200540Lamp · inoperativeEMERGENCY EXIT LIGHT INOP SEAT ROW 42 RT. REPLACED LAMP, CHECKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200541Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, SEAT ROW 50 RT. REPLACED LAMP, CKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200542Lamp · inoperativeEMERGENCY EXIT LIGHT INOP ROW 55 LT CEILING. REPLACED LAMP, CKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200543Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, SEAT ROW 19 LT. REPLACED LAMP, CKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200544Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, SEAT ROW 36 LT. REPLACED LAMP, CHECKS OK.Feb 12, 2010 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2010021200549Cdu · faultyR CDU BLANK, FLIGHT DIVERTED. MSG 34835 ACTIVE HARD. REPLACED RT MULTI PURPOSE CDU, CHECKS OKAY.Feb 12, 2010 · N181UA · Boeing 747422 · Central DisplaySDR UALA2010021500581Fitting · crackedCREW O2 LOW. REPLACED F/O'S, 1ST-OBS, AND 2-OBS CREW O2 MASKS. LEAK CK'D ALL 3 MASKS AT THEIR LOCATIONS FOUND NO LEAKS. FOUND CREW O2 CK VALVE FITTING CRACK AT THE THREADS. REPLACED CREW CK VALVE, SERVICED CREW O2 TO 1740 & PASS O2 TO 1800 NO LKS DETECTED.Feb 12, 2010 · N182UA · Boeing 747422 · Crew Oxygen SystemSDR UALA2010021100518Priority Valve · faultyR ENG PRV EICAS AFTER SELECTING BLEED TO OFF ON TAXI IN. SECURED CLOSED PRV VALVE INSPECTED WIRING AND LINES. NO PROBLEMS NOTED. UNABLE TO RUN OFF IDLE TO VERIFY. REPLACED RT PRV CKD & CLEARED AIR MODULE, ACP'D ENG-BLEED CK.Feb 11, 2010 · N667UA · Boeing 767322 · Pneumatic Distribution SystemSDR UALA2010021200527Skin · crackedUPR WING PANEL ABOVE NR 19 L-E VARIABLE CAMBER FLAP HAS A 18 INCH CRACK APPROX 8 IN OTBD OF INBD END. PREPPED SURFACE FOR REPAIR, FABRICATED PATCH. NEEDS APPLIED & BAGGED, CURED. ACCOMPLISHED 250 DEG. OVER LAY REPAIR, PRIMED AND PAINTED.Feb 11, 2010 · N119UA · Boeing 747422 · Wing, Plate/SkinSDR UALA2010031200834Skin · dentedSKIN DENT STA 1366-1370, BETWEEN STR 28R AND 29R. SEE PTT 4742083 FOR REPAIR. ACCOMP PER UAL EVA 73390 AND MAE EA 767-5361-13-A1926.Feb 11, 2010 · N674UA · Boeing 767322 · Fuselage Main, Plate/SkinSDR UALA2010021100519Lamp · inoperativeEXTERIOR EMERGENCY LIGHT INOP AT DOOR 1 RT. CONFIRMED DOOR 1 EXTERIOR EMERGENCY LIGHT INOP. RELAMPED EXTERIOR LIGHT. LIGHT TEST NORMALFeb 10, 2010 · N671UA · Boeing 767322 · Emergency LightingSDR UALA2010021100520Torque Box · crackedFWD CARGO PIT STA. 860 BETWEEN LBL 5.5 AND RBL 5.5 HAS SUSPECTED CRACK ALONG FWD EDGE OF CTR GUIDE ON TORQUE BOX WEB. REMOVED TORQUE BOX ACCESS PNL AND STARTED TO REMOVE FASTENERS FOR REPAIR. REMOVED TORQUE BOX DAMAGED UPPER WEB SECTION. MFG REPLACEMENT SKIN Feb 10, 2010 · N105UA · Boeing 747451 · Fuselage Main, StructureSDR UALA2010020800487Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, UPPER DECK ROW 14 CEILING. RELAMPED. CHECKS OK.Feb 8, 2010 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2010020800488Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, DOOR 4 LT CEILING ENTRY. RELAMPED, CHECKS OK.Feb 8, 2010 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2010020800489Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, ROW 52 RT CEILING. RELAMPED, CHECKS OK.Feb 8, 2010 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2010020800490Lamp · inoperativeEMERGENCY EXIT LIGHT INOP, SEAT ROW 43 RT. RELAMPED, CHECKS OK.Feb 8, 2010 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2010020800491Lamp · inoperativeEMERGENCY EXIT LIGHT INOP. DOOR 3 RIGHT CEILING ENTRY. RELAMPED, CHECKS OK.Feb 8, 2010 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2010020800492Lamp · inoperativeEMERGENCY EXIT LIGHT INOP SEAT ROW 57 LT. RELAMPED, CHECKS OK.Feb 8, 2010 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2010020800494Feeder Cable · damagedEMERGENCY EXIT LIGHTS INOP SEAT ROWS 45 THRU 53 LT, DOOR 4 LT FWD EXIT SIGN, DOOR 4 RT AFT EXIT SIGN, LOWER WALL ACROSS DOOR 4 LT, AND DOOR 4 GALLEY AREA LOWER WALL EMERGENCY LIGHT. THIS IS A REPETITIVE PROBLEM. REPLACED FEEDER CABLE AND LIGHT ASSY OPS CKS NOFeb 8, 2010 · N128UA · Boeing 747422 · Light System WiringSDR SAJFCALS099006Connector · dirty(B18208) ENG-4 UNABLE TO SHUTDOWN AFTER FUEL CONTROL SWITCH BACK TO CUT OFF POSITION, EICAS SHOWS "ENG 4 FUEL VLV" MESSAGE, THEN THE ENGINE GOT SHUTDOWN ITSELF ABOUT 15 SECONDS AND NR 4 FIRE HANDLE HAS BEEN PULLED. MX INTERROGATE CMC FOUND "ENG 4 FMU SHUTOFF Feb 7, 2010 · N18208 · Boeing 747409 · Engine Fuel System WiringSDR UALA2010020800482Light · inoperativeFLOOR EMERGENCY LIGHT INOP RT SIDE FWD OF DOOR 2R. REPLACED EMERGENCY LIGHT. OPS CHECKED GOOD.Feb 6, 2010 · N667UA · Boeing 767322 · Emergency LightingSDR UALA2010020800484Light · missingSEAT 5AB EMERGENCY LIGHT MISSING. ORDERED LIGHT ASSY. REPLACED MISSING EMERGENCY LIGHT AT SEAT 5AB. CHECKS GOOD.Feb 6, 2010 · N667UA · Boeing 767322 · Emergency Lighting
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