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 UALA2011013100524Light · inoperativeEMERGENCY LIGHT AT SEAT 48ABC. REPLACED LIGHT ASSY.Jan 29, 2011 · N128UA · Boeing 747422 · Emergency LightingSDR UALA2011013100526Shutoff Valve · fluctuatesDURING CLIMB & DESCENT RT DUCT PRESSURE FLUCTUATES BETWEEN 15-35 PSI. REPLACED NR 2 ENG PRSOV. RAN ENG AND LEAK CKD. OPS CHECKED NORMAL.Jan 29, 2011 · N665UA · Boeing 767322 · Pneumatic Distribution SystemSDR UALA2011012800488Wire · shortedGROUND TEST MESSAGE REPORT SHOWS TANK WIRING-MAIN 3, PROBE 4, SHORT LO-Z GROUND. REMOVED NR 4 PROBE FROM NR 3 MAIN F138. REPLACED 3 MAIN TANK UNIT F138. REMOVED FUEL PLATE 645AB. INSTALLED 3 MAIN FUEL PLATE 645AB, CLEARED AND CLOSED.Jan 28, 2011 · N181UA · Boeing 747422 · Fuel System WiringSDR UALA2011012800483Wire · faultySPEAKER AT ROW 15AB IS NOT MUTE WHEN USE PA FOR UPPER DECK ONLY (CODE 44). REPLACED CABLE FSW443118126 BETWEEN D6984J AND IOEU UL-2 IAW WDM. PA OPS NORMAL.Jan 28, 2011 · N181UA · Boeing 747422 · Communications System WiringSDR UALA2011012700459Lamp · inoperativeSEAT ABC 37 EMERGENCY LIGHT INOP. RELAMPED SEAT, OPS CK OK.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012700460Lamp · inoperativeSEAT ABC 43 EMERGENCY LIGHT INOP. RELAMP EMERGENCY LIGHT SEAT LIGHT OPS CHECK OK.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012700461Lamp · inoperativeCEILING EMERGENCY LIGHT INOPERATIVE UPPER DECK 15. RELAMPED. OPS CHECKED NORMAL.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012700462Lamp · inoperativeCEILING EMERGENCY LIGHT INOPERATIVE UPPER DECK 17. RELAMPED OPS CHECKED NORMAL.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012700463Lamp · inoperativeLOWER WALKWAY EMERGENCY LIGHTS INOP BETWEEN L2 & R2 DOORS. RELAMPED. OPS CHECKED NORMAL.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012800472Lamp · inoperativeROW 8 RT SIDE EMERGENCY LIGHT INOP. RELAMPED. OP CHECKED NORMAL.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012800473Lamp · inoperativeROW 25 RT EMERGENCY LIGHT INOP. RELAMPED. OP CHECKED NORMAL.Jan 27, 2011 · N119UA · Boeing 747422 · Emergency LightingSDR UALA2011012800479Lamp · inoperativeR2 DOOR WALL LIGHT IS INOP. RELAMPED. OPS CHECKED NORMAL.Jan 27, 2011 · N119UA · Boeing 747422 · Passenger Compartment LightingSDR UALA2011012700465Lamp · brokenSEAT EMERGENCY LIGHT FOR SEAT 1H FWD LIGHT BROKEN. REPLACED SEAT MOUNTED EMERGENCY LAMP ASSY, CHECKED OK.Jan 27, 2011 · N669UA · Boeing 767322 · Emergency LightingSDR UALA2011012700466Lamp · brokenSEAT 6H HAS BROKEN EMERGENCY LIGHT AFT ASSY WITH ARROW. REPLACED SEAT MOUNTED EMERGENCY LAMP ASSY. CHECKED OK.Jan 27, 2011 · N669UA · Boeing 767322 · Emergency LightingSDR UALA2011012600432Coffeemaker · failedCOFFEEMAKER INOP. UPPER DECK GALLEY. BREWS WITHOUT POT IN PLACE -REPLACED COFFEEMAKER.Jan 26, 2011 · N199UA · Boeing 747422 · Buffet/GalleysSDR UALA2011012600437Light · crackedSEAT MOUNTED EMERGENCY LIGHT ASSY CRACKED DOWN THE MIDDLE AT 20C. REPLACED EMERGENCY LIGHT ASSY, CHECKS OK.Jan 26, 2011 · N118UA · Boeing 747422 · Emergency LightingSDR UALA2011012600439Wire · brokenFOUND AFT EMERGENCY WALL LIGHT WIRE BROKEN BY R5 DOOR WHEN PULLING UP FLOOR MAT FOR REPLACEMENT. REPLACED AND SECURED AFT WALL EMERGENCY LIGHT. CHECKS NORMAL.Jan 26, 2011 · N105UA · Boeing 747451 · Light System WiringSDR UALA2011012700456Controller · faultyLT ENG BLEED LIGHT AND HPSOV EICAS ON MOMENTARILY ON DESCENT AS THROTTLES MOVED TO IDLE. REPLACED THE NR1 ENGINE HIGH PRESSURE CONTROLLER IAW MM. OPS CHECKED ARE NORMAL.Jan 26, 2011 · N668UA · Boeing 767322 · Pneumatic Distribution SystemSDR UALA2011012700464Battery · dischargedSTANDBY TEST FAILED. MAIN BATTERY CHARGER SHOWED ONLY 25 AMPS CHARGING. REPLACED MAIN BATTERY IAW MM24-31-01-401 & MAIN BATTERY CHARGER IAW MM. SYS NORMAL.Jan 26, 2011 · N173UA · Boeing 747422 · Battery/Charger SystemSDR UALA2011012500403Pump · failed"LT HYD PRI PUMP" EICAS MESSAGE. REPLACED LT ENG EDP IAW MM. REPLACED PRESSURE AND CASE DRAIN FILTERS. NO METAL NOTED.Jan 25, 2011 · N677UA · Boeing 767322 · Hydraulic Pump (Electric/Engine), MainSDR UALA2011012600434Bulb · inoperativeEMERGENCY EXIT AISLE LIGHTS INOP AT SEAT 16B. REPLACED AND OPS CHECKED THE EMERGENCY EXIT BULB AT SEAT 16B IAW SWP. OPS CHECKED GOOD.Jan 25, 2011 · N180UA · Boeing 747422 · Emergency LightingSDR UALA2011012600435Connector · looseEMERGENCY EXIT AISLE LIGHTS INOP FROM ROW 45 THRU 53 ON RT SIDE OF COACH SECTION. RECONNECTED 2 LOOSE CONNECTORS AT SEAT 45 RT IAW SWPM AND OPS CHECKED IAW SWPM. OPS CHECKED GOOD. ALL SEAT LOCATIONS OPERATIONAL.Jan 25, 2011 · N180UA · Boeing 747422 · Light System WiringSDR UALA2011012500406Skin · dentedDOOR 5R 2' AFT AND AT MID HEIGHT FUSELAGE HAS A SCRATCH AND DENT. PRELIMINARY CALCULATION 3.0 H X 3.5 W X .125 INCH DEEP APPROX LOSS OF MATERIAL IS OVER STRINGER AREA. REPAIR ACP PER DOCK WU K24 46F REF EVA 80532.Jan 25, 2011 · N127UA · Boeing 747422 · Fuselage Main, Plate/SkinSDR UALA2011012500407Skin · dentedTWO FUSELAGE DENTS AT RT STA 2330 AND STRINGER 22, (AFT OF 5R MED) FOUND ON ARRIVAL BY RAMP. DENT ABOVE STR 22 MEASURES 1.500"L X 2.500"W X .125" DEEP. DENT BELOW STR 22 MEASURES 1.125 "L X 2.00"W X .31"DEEP. A-Y RESULTS ARE BOTH BELOW 30 (12 AND 3 RESPECTIJan 25, 2011 · N127UA · Boeing 747422 · Fuselage Main, Plate/SkinSDR UALA2011012700455Controller · faultyIN CRUISE, THE RT DUCT PRESSURE VARIES BETWEEN 18 PSI AND 40 PSI. THE LT IS STEADY AT 18. REPLACED THE NR2 ENGINE PRESSURE REGULATING VALVE CONTROLLER IAW MM. OP CHECKED GOOD.Jan 25, 2011 · N668UA · Boeing 767322 · Pneumatic Distribution SystemSDR UALA2011012400400Power Supply · failedCEILING MOUNTED EXIT SIGN INOP AT ROW 17 RT AISLE. REPLACED POWER SUPPLY M1209, OP CHECK NORMAL.Jan 24, 2011 · N666UA · Boeing 767322 · Emergency LightingSDR UALA2011012400386Light · unsecureEMERGENCY LIGHT ON LAV WALL BY JUMPSEAT AT 2R IS FALLING OFF THE WALL, TAPED TO HOLD UP. SECURED LIGHT WITH CLEAR TAPE. SECURED LIGHT.Jan 24, 2011 · N171UA · Boeing 747422 · Emergency LightingSDR UALA2011012500411Wire · looseFLOOR EMERGENCY EXIT LIGHTS FLASHING ON & OFF FROM ROW 27 TO BACK OF ACFT. VERIFIED WIRING SECURE AT ROW 35 RT SIDE TO SEAT FROM FLOOR PATH POWER SUPPLY. EMERGENCY FLOOR LIGHTING FROM ROW 27 TO 35 RT AISLE. CK OK IN OFF AND ARMED AND ON POSITIONS.Jan 24, 2011 · N669UA · Boeing 767322 · Light System WiringSDR SAJFCALS100004Arm · failedB18207, IN ROUTE, DURING CLIMB PHASE (ALT 12,000 FEET), ENG 2 SURGED AND EGT OVER LIMIT(MAX. EGT 722?). ENG 2 IFSD AND AIRCRAFT TURNED BACK. VISUAL INSPECTION FOUND AN METAL PARTICLE ON EXHAUST NOZZLE, THE ENGINE WAS REMOVED FROM SERVICE. FOUND THE SIXTH STAGEJan 22, 2011 · N18207 · Boeing 747409 · Turbine Engine Compressor SectionSDR UALA2011012000338Light · inoperativePAX SEAT 6H AISLE EMERGENCY LIGHT ASSY (AFT) INOPERATIVE. REPLACED PAX SEAT AISLE EMERGENCY LIGHT ASSY AND OPS CHECKED ALL GOOD.Jan 20, 2011 · N669UA · Boeing 767322 · Emergency LightingSDR UALA2011012000340Connector · dirtyNR 2 VHF NO TRANSMITT. NEW ANTENNA ON HAND. BOTH NEW AND OLD ANTENNA CHECK GOOD. STILL NO HELP. WE ARE NOW CHECKING THE COAX & WILL CONTINUE THE TROUBLESHOOTING. REPLACED RT TRANSCEIVER, NO HELP. INSTALLED OLD UNIT. ANTENNA REMOVED. FOUND CONNECTOR DJan 20, 2011 · N670UA · Boeing 767322 · Communications System WiringSDR UALA2011011900319Hinge Fitting · out of toleranceRIGHT WING INBD FLAP, CENTER HINGE FITTING UNDERSERVICED, CRACKED FLANGE HASN'T BEEN REMOVED. REMOVED PREVIOUS REPAIR, AND CUT-OUT DAMAGED FLANGE. FABRICATED A NEW REPAIR ANGLE AND FILLER PER SRM.Jan 19, 2011 · N671UA · Boeing 767322 · Trailing Edge FlapsSDR UALA2011011900320Bulb · inoperativeUPPER DECK CEILING EMERGENCY LIGHT NEAR STAIRS IS INOP. RELAMPED BULBS, OPS CHECKED GOOD.Jan 19, 2011 · N174UA · Boeing 747422 · Emergency LightingSDR UALA2011011900321Light · inoperativeSEAT 37ABC EMERGENCY LIGHT IS INOP. REPLACED EMERGENCY SEAT LIGHT AT 37ABC, OPS CHECKED GOOD.Jan 19, 2011 · N174UA · Boeing 747422 · Emergency LightingSDR UALA2011011900322Light · inoperativeDOOR 5R SLIDE EMERGENCY LIGHT INOP. REPLACED DOOR 5R EMERGENCY LIGHT ASSY, OPS CHECKED NORMAL.Jan 19, 2011 · N174UA · Boeing 747422 · Emergency LightingSDR UALA2011011900323Lamp · inoperativeDOOR 2R SILL EMERGENCY LIGHT IS INOP. RELAMPED. CHECKS NORMAL.Jan 19, 2011 · N174UA · Boeing 747422 · Emergency LightingSDR UALA2011011900324Lamp · inoperativeZONE 'D' RIGHT SIDE CEILING EMERGENCY LIGHT INOP. RELAMPED. CHECKS NORMAL.Jan 19, 2011 · N174UA · Boeing 747422 · Emergency LightingSDR UALA2011011900325Reservoir · out of toleranceLEFT UPPER DECK DOOR EMERGENCY BOTTLE SQUIB IS OUT OF DATE. INSTALLED EMERGENCY POWER RESERVOIR AS PER MM.Jan 19, 2011 · N174UA · Boeing 747422 · Emergency ExitsSDR UALA2011012000345Guard · missingEMERGENCY LIGHT EICAS MESSAGE INTERMITTENT. UPON ACFT ARRIVAL, FOUND TEST SWITCH AT DOOR 1L ACTUATED AND SWITCH GUARD MISSING. REPLACED SWITCH GUARD. GROUND CHECKS OK.Jan 18, 2011 · N199UA · Boeing 747422 · Emergency LightingSDR UALA2011011900300Battery · faultyMAIN BATTERY CHARGE STATUS MSG CAME ON DURING FINAL APPROACH. REPLACED THE MAIN BATTERY AND MAIN BATTERY CHARGER. OPS GOOD.Jan 18, 2011 · N664UA · Boeing 767322 · Battery/Charger SystemSDR UALA2011011700276Light · inoperativeEMERGENCY LIGHT INOP DR2R AISLE FLOOR LAMPS. RELAMPED, OP CHECKS GOOD.Jan 17, 2011 · N182UA · Boeing 747422 · Emergency LightingSDR UALA2011011700277Cable · disconnectedEEL LIGHT INOP 36ABC. FOUND CABLE UNDER SEAT DISCONNECTED, CONNECTED CABLE AND SECURED, OP CHECKS GOOD.Jan 17, 2011 · N182UA · Boeing 747422 · Light System WiringSDR UALA2011011700278Connector · unsecureEEL SEAT LIGHT INOP 49H. SECURED CABLE CONNECTOR UNDER SEAT, OP CHECKS GOOD.Jan 17, 2011 · N182UA · Boeing 747422 · Light System WiringSDR UALA2011011800295Fuel Line · cracked'FUEL OVRD CTR R' EICAS STATUS MESSAGE DISPLAYED. REPLACED A CRACKED HYDRO-MECHANICAL SCAVENGE FUEL LINE IN THE RIGHT SIDE OF THE CENTER FUEL TANK, SYSTEM CHECKED OKAY.Jan 17, 2011 · N116UA · Boeing 747422 · Aircraft Fuel Distribution SystemSDR UALA2011011800296Fuel Line · defective'FUEL OVRD CTR L' EICAS STATUS MESSAGE DISPLAYED. LOW FUEL PUMP OUTPUT PRESSURE CENTER TANK LEFT AND PUMP SWITCHED ON WITH FUEL IN TANK GREATER THAN 4000 LBS. CENTER TANK FUEL INCREASED TO 4000 AFTER BEING EMPTY AT A TOTAL FUEL LOAD OF 201.0. REPLACED CENTEJan 17, 2011 · N116UA · Boeing 747422 · Aircraft Fuel Distribution SystemSDR UALA2011011900314Circuit Breaker · openWITH EMERGENCY EXIT LIGHT SWITCH SELECTED TO 'ARM', THE EMERGENCY LIGHT CAME 'ON'. FOUND CB OPEN ON P7 GRID G15. RESET CB AND TESTED OKAY. UPON ACFT ARRIVAL FOUND TEST SWITCH AT DOOR 1L ACTUATED AND SWITCH GUARD MISSING. REPLACED SWITCH GUARD. GROUND CHECJan 17, 2011 · N199UA · Boeing 747422 · Emergency LightingSDR UALA2011011900299Battery · faultyAPU AUTO SHUTDOWN AND UNABLE TO APPLY POWER TO AIRCRAFT. FOLLOWING APU BATTERY AND APU BATTERY CHARGER REPLACEMENT PROBLEM PERSISTS. AFTER TROUBLESHOOTING MAIN AIRCRAFT BATTERY REPLACED AND POWER RESTORED TO AIRCRAFT. GROUND POWER AND APU POWER OPERATION NOJan 17, 2011 · N105UA · Boeing 747451 · Battery/Charger SystemSDR UALA2011011700275Skin · crackedDOORWAY 3 LT CUTOUT STA 1282 SKIN HAS A 2" CRACK. MAJOR REPAIR ACCOMPLISHED: INSTALLED DOUBLER ON DOCK W-U J8679Q IAW EVA 80507A.Jan 17, 2011 · N179UA · Boeing 747422 · Fuselage Main, Plate/SkinSDR UALA2011011700262Light · brokenSEAT 1H SIDE EEL LIGHT BROKEN. REPLACED EEL LIGHT. OPS NORMAL.Jan 16, 2011 · N669UA · Boeing 767322 · Emergency LightingSDR UALA2011011700284Light · lowEMERGENCY EXIT LIGHT VERY DIM IN FLIGHT DECK. RELAMPED WITH 1317 BULB.Jan 16, 2011 · N175UA · Boeing 747422 · Emergency Lighting
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