Pratt & Whitney PW4056
Service difficulty reports · 12,594
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.
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
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 CALA2026073118122Wire · detachedDOOR 1L AND 1R EXIT THRESHOLD LIGHT STAY ON WHEN SWITCHED OFF FOUND PIN 3 OPENED BETWEEN CONNECTOR D10718 AND D6410 IAW WDM 33-51-11-2C SH2 FOUND WIRE W822-003-22 SNAPPED OFF BELOW DOOR 1L REAR FACING CREW SEAT. WIRE SPLICED PER LP 9788837. BATTERY CHARGING PASDR U2RA2026071600037Pump · leakingEICAS -HYD QTY LOW 1- DISPLAYED DURING CRUISE. REPLACED LEAKING NR 1 AIR DRIVEN HYDRAULIC PUMP.SDR KCSA20260619733Oil System · lowON DESCENT NOTICED STRONG ODOR OF OIL ON UPPER DECK AND MAIN DECK CREW REPORTED LOW OIL ON ENG 4, INDICATED 4 QUARTS. PERFORMED CONDITIONAL INSPECTION OF #4 ENG IAW FIM 21-00 TASK 810 NO EXTERNAL LEAKS FOUND. SERVICED ENG OIL IAW AMM 12-13-03.SDR UIEA2026061200463Chip Detector · unsecureENGINE 1 OIL QUANTITY LOSS IN FLIGHT, SHOWING 0 AT CRUISE STARTED AT 10 AFTER TAKEOFF. ACCOMPLISHED ENGINE OIL INSPECTION PER ECM 2026P-203 REV 0. NO LEAKS FOUND. NOTED MASTER GEARBOX CHIP DETECTOR IN RT THRUST REVERSER COWLING. INSPECTED AND REINSTALLED CHIPSDR U2RA2026012600030Battery · inoperativeDURING A-CHECK AT RKSI, WHILE ACCOMPLISHING T/C 33-050-01-01, FOUND 11 EACH EMERGENCY LIGHT INOPERATIVE. BATTERY ASSY P/N: 2013-1A WAS REPLACED AND DOCUMENTED ON SHARP TECHNICS K W.O. MNT004216 / NR-0013. OPERATIONAL CHECK SATISFACTORY.SDR KCSA2025113067Thrust Reverser · delaminatedTHRUST REVERSER INBD NR 4 ENG DELAMINATED AT 10 O'CLOCK POSITION. REMOVED AND REPLACED NR 4 INBD THRUST REVERSER IAW AMM 78-31-01.100278273: INBD THRUST REVERSER NR 4 ENG CASCADE VANE DEPARTED AIRCRAFT AT 10 O'CLOCK POSITION. REMOVED AND REPLACED UPPER NON-LSDR KCSA2025111865Pump · faulted100280839: HYD QTY LOW 1 DEMAND PUMP AND ENGINE PUMP BOTH OFF BEFORE SYS FLUID 0. ACTION TAKEN: REMOVED AND REPLACED #1 EDP HYD 1. IAW B747-400 AMM 29-11-05-004 AND 29-11-05-904. ALL CHECKS GOOD. NO LEAKS NOTED. DRY MOTOR PERFORMED. NO DEFECTS NOTED.SDR U2RA2025060200015Smoke Detector · faultedFIRE MAIN DECK AFT EICAS MESSAGE DISPLAYED AT THE GATE - REPLACED MULTIPLE MAIN DECK CARGO COMPARTMENT AFT SMOKE DETECTORS.SDR UIEA2025042400570Engine · failedENGINE 2 FAILURE IN FLIGHT AT FLIGHT LEVEL 340.(<P>#2 ENGINE UNSCHEDULED ENGINE REMOVAL AND REPLACEMENT SN: P717652CN IAW AMM 71-00-02. NO FURTHER DEFECTS NOTED.</P>)SDR KCSA202504070112Engine · damagedENGINE #2 SEVERE DAMAGE. PERFORMED N1 AND N2 LOCKOUT PER AMM 71-00-30 AND E50 #13891 FOR 3 ENGINE FERRY FLIGHT. ENGINE #2 SEVERE DAMAGE. REMOVED AND REPLACED #2 ENGINE IAW B747-400 AMM 71-00-00, REFERENCE TASK CARD NUMBER 71-002-00-00 ITEM 1 MET 7050420706 FSDR U2RA2024120600067Bracket · brokenDURING SCHEDULED A-CHECK AT HAECO (NE1Y345K), DURING INSPECTION & SERVICING OF THE APU, THE APU DOOR FIRE SENSOR FORWARD MOUNDING BRACKET WAS FOUND BROKE; REFERENCE HAECO NON-ROUTINE WO.4103802. A REPAIR WAS EMBODIED UNDER FVCI EO 24212-1 REV B.SDR U2RA2024110400063Seal · damaged"DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE AFT SEAL, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 1 HAD A MISSING PORTION NEAR THE LOWER CORNER. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-1. REF NAL M-8A 63130-12."SDR U2RA2024110400064Skin · gouged"DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE SKIN, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 2 HAD A DEEP GOUGE NEAR THE OIL ACCESS PANEL. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-2. REF NAL M-8A 63130-44."SDR U2RA2024110400065Skin · damaged"DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE SKIN, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 3 HAD A A MISSING PIECE OF OUTER LAYER MATERIAL NEAR THE LOWER-FORWARD CORNER. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-3SDR U2RA2024090800052Battery Pack · dischargedREF HAECO XMN (TX9Y778Y) NRC#:KUL9753 - FOUND THAT THE UPPER DECK DOOR AREA R/H SIDE M5606 EMERGENCY POWER SUPPLY BATTERY LOW CAPACTIYSDR U2RA2024090800051Door Frame · out of limits"REF HAECO XMN (TX9Y778Y) NRC#:KUL9555 - AN EXISTING OVERSIZED HOLE WAS FOUND ON FRAME STRUCTURE AT STA 2231, STR-25L DURING SB 747-53A2450 REV. 08 INSPECTION. THE DIAMETER (0.309"") IS GREATER THAN SB 747-53A2450 REV. 08 ALLOWED (MAX 0.2817"")."SDR U2RA2024090800044Web · scratchedREF HAECO XMN (TX9Y778Y) NRC#: KUL9399 - FWD CARGO COMPARTMENT, STA 660-680 RBL 33-55, MULTIPLE SCRATCHES ON EXISTING REPAIR DOUBLER UPPER SURFACE OF LATERAL BEAM WEB.SDR U2RA2024090800053Battery · dischargedREF HAECO XMN (TX9Y778Y) NRC#:KUL8961 - FOUND THAT THE R/H UPPER DECK DOOR BATTERY M7038 IS AT LOW CAPACTIY.SDR U2RA2024090800046Channel · crackedREF HAECO XMN (TX9Y778Y) NRC#: KUL8334, KUL8342 & KUL8375 - (2 EA.) P/N G12447-3-3-1882-3 AND (1 EA.) G12447-3-3-1882-4 GANG CHANNELS CRACKED COMMON TO THE VERTICAL STABILIZER AUXILIARY SPARSDR U2RA2024090800043Rub Strip · wornREF HAECO XMN (TX9Y778Y) NRC#: KUL7419 THE INBOARD FIBERGLASS RUB STRIP OF RHW NO.12 SPOILER FOUND DAMAGED (BROKEN FIBERS). IN ADDITIONAL, WATER CONTAMINATION UPPER SKIN WAS FOUND DURING X-RAY INSPECTION.SDR U2RA2024090800045Web · dentedREF HAECO XMN (TX9Y778Y) NRC#: KUL6304, KUL6288 & KUL6296 TOTAL 5 EA DENTS WERE FOUND ON UPPER SURFACE OF THE AFT CGO LHS LATERAL BEAM WEB (P/N: 65B06295-7), RHS LATERAL BEAM WEB (P/N: 65B06295-8), RHS LATERAL BEAM WEB (P/N: 65B06295-9), FROM STA 1660 TO 1680,SDR U2RA2024090800050Skin · dentedREF HAECO XMN (TX9Y778Y) NRC#:KUL6825 - EXISTING DENT AND BLEND-OUT WERE FOUND ON FUSELAGE SKIN AT STA 500, STR-38R-STR-39R. DEVIATIONS OCCUR WHEN PERFORM THE B747-400SF SRM 53-00-01/REPAIR 12 REPAIR.SDR U2RA2024090800041Web · dentedREF HAECO XMN (TX9Y778Y) NRC#: KUL5603 & KUL5561 - FWD CARGO COMPARTMENT STA 660-680 LATERAL BEAM WEB UPPER SURFACE FOUND WITH 8EA DENTS BETWEEN LBL 40.00 TO RBL 45.50.SDR U2RA2024090800048Skin · corrodedREF HAECO XMN (TX9Y778Y) NRC#: KUL3384 CORROSION WAS FOUND ON RHW LOWER NO.4 SKIN PANEL NEAR WSTA 614.5.SDR U2RA2024090800049Fitting · crackedREF HAECO XMN (TX9Y778Y) NRC#:KUL3186 (CRACK IN RH LONGERON FITTING FLANGE) A CRACK (0.40 INCH LONG) WAS FOUND IN THE RH LONGERON EXTENSION FITTING (P/N: 65B15034-6) FLANGE DURING INSPECTION PER SB 747-53A2860 R03 AT STA 1480; REF NRC# KUL7534, KUL7542, KUL755SDR U2RA2024090800042Skin · dentedREF HAECO XMN (TX9Y778Y) NRC#: KUL1552 - (3 EA.) DENTS AND AN EXISTING REPAIR WERE FOUND ON THE INNER SKIN OF THE LH WING INBOARD LANDING GEAR STRUT DOOR. THE DAMAGE WAS EVALUATED PER 747-400SF 52-80-01 REPAIR 3, AND IS BEYOND SRM REPAIR LIMITS DUE TO PROXIMISDR U2RA2024090800047Skin · contaminatedREF HAECO XMN (TX9Y778Y) NRC#: KUL1503 - WATER CONTAMINATION AND AN EXISTING REPAIR WERE FOUND IN THE FORWARD EDGE OF THE RH WING INBOARD LANDING GEAR STRUT DOOR.SDR UIEA2024071600680Acoustic Panel · damagedENG 3 ACOUSTIC PANEL 7 O'CLOCK POSITION DAMAGED & LINEAR SEGMENT MISSING(<P>C/W TEMP REPAIR IAW AMM 72-34-01-206-012-N00 & C/W EA-1978A111, ISSUED NON-MEL DMI 212851 DUE 17JUL2024 & REINSPECTS UNTIL PERM REPAIR IS C/W. </P>)SDR U2RA2023101400045Liner · missingDURING A SCHEDULED A-CHECK VISIT, DAMAGE WAS FOUND TO THE #4 ENGINE OUTBOARD THRUST REVERSER. FURTHER INSPECTION REVEALED THE #4 OUTER FAN EXIT LINER SEGMENT HAD DETACHED FROM THE FAN CASE RING AND DEPARTED THE AIRCRAFT. SUBSEQUENT C-DUCT DAMAGE WAS REPAIRED ASDR U2RA2023082600042Charger · inoperativeDURING SCHEDULED MAINTENANCE, AN OPERATIONAL CHECK OF THE EMERGENCY LIGHTS SYSTEM WAS PERFORMED WITH A FAILURE TO TEST ON LIGHTS L1854, L1853, AND L5735. FOUND BATTERY POWER SUPPLY (CHARGER) WAS PROVIDING NO OUTPUT, PART REPLACED PER AIRCRAFT MAINTENANCE MANUASDR U2RA2023082600043Unknown · unknownDURING INSPECTION, EVIDENCE OF FUEL LEAKAGE WAS DISCOVERED AT TANK NO. 3 RIGHT HAND WING REAR SPAR TO RIGHT HAND WHEEL WELL JUNCTURE, LIFTED/LOOSE SEALANT DISCOVERED. TANK SMALL AREA RESEAL REPAIR WAS ACCOMPLISHED IN DISCREPANT AREA PER AIRCRAFT MAINTENANCE MASDR U2RA2023082500041Battery · inoperativeUPPER DECK LEFT EMERGENCY EXIT DOOR ASSIST BOTTLE BATTERY WILL NOT TEST - REMOVED AND REPLACED BATTERY PER AIRCRAFT MAINTENANCE MANUAL 52-23-14.SDR U2RA2023061600025Unknown · unknownUPPER DECK EMERGENCY LIGHT AFT OF RIGHT DOOR INOPERATIVE - DEFERRED PER MINIMUM EQUIPMENT LIST 33-51-01-01.SDR U2RA2023052700023Bulb · inoperativeDURING SCHEDULED A-CHECK MAINTENANCE, OPERATIONAL CHECK OF THE EMERGENCY EXIT LIGHT SYSTEM RESULTED IN FINDING OF INOPERATIVE LIGHT BULB. LIGHT BULB REPLACED IAW AMM 33-51-07 REV. 107, SATISSDR U2RA2023052700024Cartridge · burnedDURING REINSTALLATION OF LEFT UPPER DOOR SLIDE PACK TO FACILITATE OTHER SCHEDULED MAINTENANCE, A CHECK OF THE EMERGENCY POWER RESERVOIR, PER AMM 52-23-13-406-045, FAILED (BATTERY OK GREEN LIGHT DID NOT ILLUMINATE). TROUBLESHOOTING FOUND BURN MARKS ON CIRCUIT BSDR UIEA2022081200854Duct · bulgedNO.2 ENG - RH C-DUCT INNER SURFACE BULGED & DELAMINATION REPLACEMENTSDR UIEA2022053100560Transmitter · flamed outBTB, ENG 2 TAIL PIPE FIRE OBSERVED BY GROUND OPS. ALL INSPECTIONS C/W TO INCLUDE BSI. VSV AND FUEL FLOW TRANSMITTER REPLACED. T/T HALF TIME LIMIT REPAIR ACCOMPLISHED. MAX POWER ASSURANCE RUNS ACCOMPLISHED.</P>)SDR UIEA2022022000149Eec · failedENGINE #2 FAILED SHORTLY AFTER TAKEOFF (CONVERSATION WITH CAPTAIN INDICATED IFSD ON TAKEOFF AT APPROXIMATELY 1000 AGL. CREW FOLLOWED THE QRH. CREW LEVELED OUT AIRCRAFT AT 3000 FT. CREW INITIATED AN ENGINE START ON #2, WHICH WAS SUCCESSFUL. CREW CONTACTED THE DSDR U2RA2021082300050Duct · damagedREF. HAITEC W/O H1-21-06-00016/16444, NRC #0022, AND FVCI EO #21149-1: DAMAGE DISCOVERED ON THE #4 ENGINE INBOARD THRUST REVERSER INNER DUCT, OUTER ACOUSTIC PANEL AT THE 7 O’CLOCK POSITION. ACCOMPLISHED INTERIM REPAIR (EPOXY RESIN INJECTION) TO DAMAGED AREA SDR KCSA2021032208Eec · malfunctionedIN CRUISE #2 ENGINE ENGINE PRESSURE RATIO, N1, N2 & FUEL FLOW FLUCTUATIONS. REMOVE AND REPLACE #2 ENGINE ELECTRONIC ENGINE CONTROL IAW B747-400 AMM 73-21-04. OPERATIONS CHECK GOOD.SDR UIEA2021011100028Engine · odorON CLIMBOUT & DESCENT WE OBSERVED A VERY STRONG FUME ODOR (DIRTY SOCK SMELL). CARRIED OUT CHAPTER 5 CONDITIONAL INSPECTION FOR FUMES IN THE CABIN, PER AMM 05-51-56. FUMES SMELL DETERMINED TO BE COMING FROM RT ENGINE. REMOVED AND REPLACED NR 2 ENGINE ASSEMBLSDR UIEA2020102602310Unknown · odorSMELL OF ENGINE OIL DURING ENGINE START TAXI, CLIMB, AND DESCENT. CONDUCTED INSPECTION OF OIL/LEAKS ON ALL 4 ENGINES. RAN ALL 4 ENGINES INDIVIDUALLY WITH ALL 3 PACKS ON, NO ODORS OBSERVED IN F/D, CREW REST, GALLEY OR MAIN DECK NOTED DURING ENGINE RUN, IAW AMSDR U2RA202009200012Skin · delaminatedWHILE ACCOMPLISHING TASK CARD 71-830-01-02 FOUND NR 2 ENGINE INBOARD T/R EXTERNAL AND LOWER SURFACE HAVE DELAMINATION ABOUT 3". REPAIRED PER VT-SAA EA 747-5430-56-A8486 REV A.SDR U2RA202009190005Stop Fitting · gougedWHILE ACCOMPLISHING A VISUAL INSPECTION, FOUND NR 1 ENGINE OUTBOARD T/R INTERIOR SIDE UPPER STOP FITTING HAS GOUGES. REPAIRED PER VT-SAA EA 747-5400-56-A8502 REV A.SDR U2RA202009190006Stop Fitting · gougedWHILE ACCOMPLISHING A VISUAL INSPECTION FOUND NR 3 ENGINE OUTBOARD T/R INTERIOR SIDE UPPER, FWD STOP FITTING IS GOUGED AND HAS DAMAGED HI-LOCK FASTENER. REPAIRED PER VT-SAA EA 747-5400-56-A8511 REV A.SDR U2RA202009190003Skin · dentedWHILE ACCOMPLISHING TASK CARD 71-211-04-02 FOUND NR 2 ENGINE OUTBOARD CORE COWL INTERIOR AFT RIB LOWER SIDE HAS A DENT. REPAIRED PER VT-SAA EA 747-5440-56-A8477 REV A.SDR UIEA2020021700260Feeder Cable · chafedFOUND #4 ENG FEEDER CABLE (W282-143-110) CHAFING.(<P>IAW SWPM 20-10-11, 20-10-12, 20-30-13, 20-30-11 REV. 72 AND WDM 24-21-41 REV. 22, REPLACED ENG FEEDER CABLE. IAW AMM 24-11-00-705-001-001 REV. 97, PERFORMED GENERATOR DRIVE SYSTEM OPERATIONAL TEST AND THE RESDR UIEA2019110105829Splice Plate · corrodedCORROSION - PLATE, L/H WING L/E TO FRONT SPAR CAVITY AT OLES 1545.50.(<P>REMOVED DAMAGED PART IAW SRM 51-40-02 REV. 43. FABRICATED NEW PART IAW EI NO T2019P57M-4063 REV. 0. INSTALLED NEW FABRICATED PART IAW SRM 51-40-02 REV. 43 AND DWG 65B11862 SH2 REV F. JOB SDR UIEA2018121002813Compressor · stalledNR 3 ENGINE COMPRESSOR STALLED 2X AFTER TAKE OFF+ WOULD TEMP OUT AT NORMAL THRUST SETTING. AT IDLE WOULD RUN IN NORMAL PARAMETERS. R&R ENG NR 3.SDR DALA2017061204677Engine · failedAIR TURNBACK DURING FLIGHT, THE NUMBER 1 ENGINE STALLED WITH EGT RISE, ENGINE WAS SHUTDOWN. AIRCRAFT RETURNED SAFELY TO DEPARTURE. MAINTENANCE FOUND METAL IN THE TAIL PIPE. MAINTENANCE REPLACED NR 1 ENGINE IAW AMM 71-11. ENGINE RUN AND LEAK CHECKED OK, AIRCR
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