# Pratt & Whitney PW4168A - Type: Engine model (FAA registry) - Registry code: 51510 - Manufacturer (registry): P & W - Model: PW4168A - Engine type: Turbo-fan - Power: 68,600 lb thrust - Data sheet: [TCDS E36NE](https://openairdocs.org/tcds/E36NE) (OpenAirDocs) - Holder: Pratt & Whitney Division - Installed in: 12 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-pw4168a Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2021-22-14](https://openairdocs.org/ad/2021-22-14): Turbine Section · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective Dec 17, 2021 - [AD 2020-25-09](https://openairdocs.org/ad/2020-25-09): Turbine Section · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective Jan 14, 2021 - [AD 2019-06-07](https://openairdocs.org/ad/2019-06-07): Engine Fuel Distribution · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective May 2, 2019 - [AD 2016-08-09](https://openairdocs.org/ad/2016-08-09): HPC 10th stage disk · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Jun 1, 2016 - [AD 2015-22-03](https://openairdocs.org/ad/2015-22-03): LPT 4th stage IAS · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Dec 1, 2015 - [AD 2015-21-04](https://openairdocs.org/ad/2015-21-04): 6th stage low-pressure turbine (LPT) disk · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective Nov 27, 2015 - [AD 2015-17-17](https://openairdocs.org/ad/2015-17-17): Fuel leaks · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective Oct 2, 2015 - [AD 2012-14-09](https://openairdocs.org/ad/2012-14-09): 3rd and 4th stage vane fractures · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Nov 7, 2012 - [AD 2012-18-17](https://openairdocs.org/ad/2012-18-17): HPC drum rotor disk assembly · Pratt & Whitney Division PW4052, PW4056, PW4060 and 16 more. Effective Oct 22, 2012 - [AD 2012-18-03](https://openairdocs.org/ad/2012-18-03): 1st stage HPT air seal rings · Pratt & Whitney Division PW4050, PW4052, PW4056 and 18 more. Effective Oct 11, 2012 - [AD 2012-16-01](https://openairdocs.org/ad/2012-16-01): High-pressure turbine (HPT) stage 1 front hubs · Pratt & Whitney Division PW4052, PW4056, PW4060 and 14 more. Effective Sep 28, 2012 - [AD 2011-25-09](https://openairdocs.org/ad/2011-25-09): PW4000 turbofan engines · Pratt & Whitney Division PW4050, PW4052, PW4056 and 18 more. Effective Jan 10, 2012 - [AD 2010-24-09](https://openairdocs.org/ad/2010-24-09): No. 3 bearing oil pressure tubes · Pratt & Whitney Division PW4050, PW4052, PW4056 and 34 more. Effective Dec 28, 2010 - [AD 2007-26-20](https://openairdocs.org/ad/2007-26-20): LPT stage 4 disks · Pratt & Whitney Division PW4164, PW4168 and PW4168A. Effective Feb 7, 2008 - [AD 2006-16-05](https://openairdocs.org/ad/2006-16-05): Front pylon mount bolts · Pratt & Whitney Division PW4164, PW4168 and PW4168A. Effective Sep 8, 2006 - [AD 2005-25-09](https://openairdocs.org/ad/2005-25-09): Engine manufacturer's time limits section (TLS) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 26 more. Effective Jun 12, 2006 - [AD 2003-09-02](https://openairdocs.org/ad/2003-09-02): 14th and 15th Stage Rubstrips · Pratt & Whitney Division PW4164, PW4168 and PW4168A. Effective Jun 3, 2003 - [AD 2001-05-07](https://openairdocs.org/ad/2001-05-07): Low Pressure Turbine (LPT) 4th Stage Air Seal · Pratt & Whitney Division PW4052, PW4056, PW4060 and 11 more. Effective Mar 30, 2001 Historical (superseded or no longer in force): - [AD 2021-05-16](https://openairdocs.org/ad/2021-05-16) (historical): Turbine Section · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective May 7, 2021 - [AD 2016-22-05](https://openairdocs.org/ad/2016-22-05) (historical): Fuel nozzles · Pratt & Whitney Division PW4164, PW4164-1D, PW4168 and 4 more. Effective Dec 6, 2016 - [AD 2010-18-13](https://openairdocs.org/ad/2010-18-13) (historical): Blade · Pratt & Whitney Division PW4052, PW4056, PW4060 and 16 more. Effective Oct 18, 2010 - [AD 2000-16-02 R1](https://openairdocs.org/ad/2000-16-02-R1) (historical): Front Pylon Mount Bolts Made from INCO 718 Material and MP159 Material · Pratt & Whitney Division PW4164, PW4168 and PW4168A. Effective Feb 6, 2003 - [AD 2002-03-08](https://openairdocs.org/ad/2002-03-08) (historical): Time Limits Section of Engine Manuals (EM's) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 25 more. Effective Apr 16, 2002 - [AD 2000-25-06](https://openairdocs.org/ad/2000-25-06) (historical): Low Pressure Turbine (LPT) 4th Stage Air Seal · Pratt & Whitney Division PW4052, PW4056, PW4060 and 11 more. Effective Dec 29, 2000 - [AD 2000-16-02](https://openairdocs.org/ad/2000-16-02) (historical): Front Pylon Mount Bolts · Pratt & Whitney Division PW4164, PW4168 and PW4168A. Effective Oct 16, 2000 - [AD 2000-12-02](https://openairdocs.org/ad/2000-12-02) (historical): Critical Life-Limited Part · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Sep 13, 2000 - [AD 99-08-15](https://openairdocs.org/ad/99-08-15) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 20 more. Effective May 13, 1999 - [AD 98-04-14](https://openairdocs.org/ad/98-04-14) (historical): Front Pylon Mount Bolts · Pratt & Whitney Division PW4164, PW4168 and PW4168A. Effective Mar 13, 1998 ## Information bulletins (advisory) (4) - [SAIB NE-16-01R1](https://openairdocs.org/saib/NE-16-01R1): Turbine Section. Issued Jan 14, 2016 - [SAIB NE-16-01](https://openairdocs.org/saib/NE-16-01) (historical): Turbine Section. Issued Oct 5, 2015 - [SAIB NE-15-19](https://openairdocs.org/saib/NE-15-19): Turbine Section. Issued Jul 14, 2015 - [SAIB NE-13-31](https://openairdocs.org/saib/NE-13-31): Turbine Engine Oil System Scavenge Oil Tube Coking and Proper Cleaning at Overhaul. Issued May 9, 2013 ## Registered aircraft (12) - [N812NW](https://openairdocs.org/aircraft/N812NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2006, S/N 0784 - [N814NW](https://openairdocs.org/aircraft/N814NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2006, S/N 0806 - [N815NW](https://openairdocs.org/aircraft/N815NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0817 - [N816NW](https://openairdocs.org/aircraft/N816NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0827 - [N817NW](https://openairdocs.org/aircraft/N817NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0843 - [N818NW](https://openairdocs.org/aircraft/N818NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0857 - [N819NW](https://openairdocs.org/aircraft/N819NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0858 - [N820NW](https://openairdocs.org/aircraft/N820NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0859 - [N821NW](https://openairdocs.org/aircraft/N821NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2007, S/N 0865 - [N859NW](https://openairdocs.org/aircraft/N859NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2006, S/N 0722 - [N860NW](https://openairdocs.org/aircraft/N860NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2006, S/N 0778 - [N861NW](https://openairdocs.org/aircraft/N861NW): [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2006, S/N 0796 ## NTSB investigations (4) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB DCA19WA020](https://openairdocs.org/ntsb/DCA19WA020), Oct 31, 2018: Airbus A330 (N817NW), Paris, France, minor damage - [NTSB DCA18CA102](https://openairdocs.org/ntsb/DCA18CA102), Feb 24, 2018: Airbus A330 323 (N817NW), Minneapolis, MN, no damage. Probable cause: an inadvertent encounter with clear air turbulence. - [NTSB DCA12CA149](https://openairdocs.org/ntsb/DCA12CA149), Sep 18, 2012: Airbus Industrie A330-323 (N273AY), Sophia, NC, no damage. Probable cause: an encounter with moderate turbulence while the flight attendant was securing the cabin for arrival. - [NTSB SEA08LA051](https://openairdocs.org/ntsb/SEA08LA051), Dec 25, 2007: Airbus Industrie A330-323 (N819NW), Honolulu, HI, no damage. Probable cause: The failure of the two flight attendants in the aft galley to understand the lead flight attendant's instructions, which resulted in them not being seated when the flight encountered convectively… ## FAA accident and incident reports (3) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20120918023459A](https://openairdocs.org/incident/20120918023459A), Sep 18, 2012: Airbus Industrie A330-323 (N273AY), Sophia, NC, No damage. As reported by usaathis was just an employee illness/injury till the "c" flight attendant received a fracture to the distal tibia at the medial and lateral… - [Incident 20080608848309I](https://openairdocs.org/incident/20080608848309I), Jun 8, 2008: Airbus A330323 (N819NW), Minneapolis, MN, Minor damage. (-23) Nwa flight 45, amsterdam (eham) to Minneapolis (kmsp), an A-330-323, N819NW, taxied to gate G-9 at main terminal. As the aircraft approached the gate,… - [Accident 20071225829119A](https://openairdocs.org/incident/20071225829119A), Dec 25, 2007: Airbus A330323 (N819NW), Honolulu, HI, No damage. (-23) Inbound northwest airlines flight no. 16 at flight level 370-380 from kensai japan to Honolulu Hawaii encountered severe turbulence. Reported 2 female… ## Service difficulty reports (245, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR DALA2026092805380](https://openairdocs.org/sdr/DALA2026092805380), Sep 25, 2026: ENGINE. FAILED. PERFORMED AIR TURN BACK FOR LEFT ENGINE FAILED RIGHT AFTER TAKEOFF. LEFT ENGINE FAILED HPC BORESCOPE, ENGINE CHANGE IN PROGRESS. AIRCRAFT WAS GROUNDED. LEFT ENG - [SDR DALA2026091805196](https://openairdocs.org/sdr/DALA2026091805196), Sep 18, 2026: BLEED VALVE. FAULTED. ATB - DUE TO NR 1 ENGINE BLEED FAULT AND AIR ABNORMAL BLEED CONFIG MSG. REPLACED NR 1 ENGINE PRV. (9507409) AIRCRAFT WAS GROUNDED. - [SDR DALA2026083104907](https://openairdocs.org/sdr/DALA2026083104907), Aug 28, 2026: LINE. LEAKING. ATB - PERFORMED AIR TURN BACK TO BOS FOR RIGHT ENGINE OIL QUANTITY LOSS. REPLACED UPPER AND LOWER #4 SCAVENGE LINES AND SEALS. PERFORMED ENGINE RUN AND LEAK CHE - [SDR DALA2026070603927](https://openairdocs.org/sdr/DALA2026070603927), Jul 5, 2026: ENGINE. BIRD INGESTION. ATB- RETURNED TO DUB DUE TO LEFT ENGINE BIRD STRIKE. C/W BIRD STRIKE INSPECTION PER AMM. REPAIRED FAN EXIT GUIDE VANE PER AMM 72-33. C/W LEFT ENGINE BORESCOPE I - [SDR DALA2026052003083](https://openairdocs.org/sdr/DALA2026052003083), May 19, 2026: ENGINE. FAILED. DIVERTED TO CDG DUE TO LEFT ENGINE FAILED DURING CRUISE. METAL IN THE TAILPIPE. ENGINE CHANGE IN PROGRESS. REPLACED ENGINE, FIRE BOTTLE, AND SQUIB. OK FOR SERVI - [SDR DALA2026033002053](https://openairdocs.org/sdr/DALA2026033002053), Mar 30, 2026: ENGINE. FAILED. PERFORMED AIR TURN BACK FOR LEFT ENGINE FAILED RIGHT AFTER TAKEOFF. REPLACED ENGINE AND REPAIRED DAMAGED FLAPS, FLAP FAIRINGS, AND UNDERSIDE OF WING. (8647002) - [SDR DALA2026022501330](https://openairdocs.org/sdr/DALA2026022501330), Feb 25, 2026: IDG. FAULTY. DIVERTED INTO MAO DUE TO NR 1 ENG IDG FAILURE. REPLACED IDG & GCU. OK FOR SERVICE. (8131430) - [SDR DALA2026030501527](https://openairdocs.org/sdr/DALA2026030501527), Feb 21, 2026: SENSOR. ERRATIC. DIVERTED TO SEA DUE TO LEFT ENGINE OIL QUANTITY INDICATION INOP. INSPECTED WIRING AND REPLACED OIL QUANTITY TRANSMITTER. OK FOR SERVICE. (8416515) - [SDR DALA2025100207147](https://openairdocs.org/sdr/DALA2025100207147), Oct 1, 2025: VALVE. FAULTED. DIVERTED INTO MAD DUE TO DUAL BLEED FAULT. REPAIRED LEAK IN SENSE LINE AND REPLACED OVER PRESSURE VALVE. OPS AND LEAK CHECKED GOOD. OK FOR SERVICE. (7491375) - [SDR DALA2025092607003](https://openairdocs.org/sdr/DALA2025092607003), Sep 24, 2025: ENGINE. FIRE. REJECTED TAKEOFF AT 100 KNOTS DUE TO RIGHT ENGINE FIRE. REPLACED NUMBER 2 ENGINE PER DELTA WORK CARD 7100-9901-02. OK FOR SERVICE. - [SDR DALA2025072205492](https://openairdocs.org/sdr/DALA2025072205492), Jul 19, 2025: PUMP. LEAKING. SHIP 3304 - DE - DECLARED EMERGENCY DUE TO GREEN HYDRAULIC SYSTEM LEAK ECAM MSG AND LOSS OF QUANTITY. CORRECTIVE ACTION: REPLACED #1 AND #2 ENG EDP PUMPS AND RE - [SDR DALA2025071805434](https://openairdocs.org/sdr/DALA2025071805434), Jul 16, 2025: ENGINE. FAILED. SHIP 3305 #1 ENG FAIL AT FL380 MACH 0.82 SMOOTH AIR. CHANGED ENGINE #1 IAW A330 AMDS JIC 7100-9901-01. (7314738). - [SDR DALA2025070905173](https://openairdocs.org/sdr/DALA2025070905173), Jul 6, 2025: ENGINE. STALLED. SHIP 3305 -DIV/IFSD- DIVERTED TO TER DUE TO LEFT ENGINE FAILED DURING CRUISE. CORRECTIVE ACTION: LEFT ENGINE EXPERIENCED A STALL WITH AN EGT OVER LIMIT, ENGINE - [SDR DALA2025051203649](https://openairdocs.org/sdr/DALA2025051203649), May 12, 2025: TAILPIPE. FIRE. AFTER PUSHBACK CREW REPORTED #2 ENGINE TAILPIPE FIRE. CUSTOMERS EVACUATED ON RAMP DOWN L-2 AND L-3 DOOR SLIDES. CORRECTIVE ACTION: REPLACED #2 ENGINE, REPLACED - [SDR DALA2025040902762](https://openairdocs.org/sdr/DALA2025040902762), Apr 8, 2025: ANTI-ICE VALVE. FAILED. SHIP 3361 - MISC/DE - INTO ATL DUE TO #2 ENG ANTI-ICE FAILURE. CORRECTIVE ACTION: REPLACED ANTI-ICE VALVE, THERMAL FUSE, SENSE LINE, A/T VALVE, AND EEC. PERFORM - [SDR DALA2025030301597](https://openairdocs.org/sdr/DALA2025030301597), Mar 2, 2025: ENGINE. FAILED. SHIP 3311 -ATB/IFSD- PERFORMED AIR TURN BACK FOR RIGHT ENGINE FAILED DURING CLIMB. LOST RIGHT ENGINE OIL QUANTITY AND GREEN HYDRAULIC FLUID QUANTITY. METAL FOUN - [SDR DALA2025012400582](https://openairdocs.org/sdr/DALA2025012400582), Jan 23, 2025: ENGINE. MAKING METAL. DISCONTINUED TAKEOFF AROUND 50 KNOTS DUE TO RIGHT ENGINE FAILURE. FOUND METAL IN THE 2.5 BLEED PORTS. #2 ENGINE REPLACED PER AMDS W/C 7100-9901-02. OK FOR SERVI - [SDR DALA2024110410586](https://openairdocs.org/sdr/DALA2024110410586), Nov 1, 2024: ENGINE. FAILED. -ATO- DISCONTINUED TAKEOFF AT 25 KNOTS DUE TO RIGHT ENGINE FAILURE ALONG WITH FIRE INDICATION WARNING IN THE FLIGHT DECK. RIGHT ENGINE FIRE BOTTLES DISCHARGED. - [SDR DALA2024103010507](https://openairdocs.org/sdr/DALA2024103010507), Oct 28, 2024: ENGINE. MAKING METAL. SHIP 3305 -ATO- DISCONTINUED TAKEOFF AT 25 KNOTS DUE TO RIGHT ENGINE FAILURE ALONG WITH FIRE INDICATION WARNING IN THE FLIGHT DECK. RIGHT ENGINE FIRE BOTTLES DI - [SDR DALA2024102810475](https://openairdocs.org/sdr/DALA2024102810475), Oct 25, 2024: ENGINE. FAILED. SHIP 3315 ENGINE FAILED. CORRECTIVE ACTION: REPLACED ENGINE PER A330 AMM 71-01. (0622941) - [SDR DALA2024102410347](https://openairdocs.org/sdr/DALA2024102410347), Oct 22, 2024: ENGINE. FAILED. SHIP 3315 -ATO- DISCONTINUED TAKEOFF AT 30 KNOTS DUE TO LEFT ENGINE FAILURE AND ASSOCIATED FIRE INDICATION WARNING IN THE FLIGHT DECK. LEFT ENGINE FIRE BOTTLES - [SDR DALA2024083008581](https://openairdocs.org/sdr/DALA2024083008581), Aug 29, 2024: ENGINE. POWER LOSS. SHIP 3315 - ATO - DUE TO ENG THRUST LOSS MSG. CORRECTIVE ACTION: ACCOMPLISHED APPLICABLE TSM. NO TROUBLE FOUND. (5596662) - [SDR DALA2024080507744](https://openairdocs.org/sdr/DALA2024080507744), Aug 3, 2024: VALVE. BINDING. ATO - DUE TO ENG THRUST LOSS MESSAGE WHEN T/O POWER SELECTED. CORRECTIVE ACTION: DEFERRED PER MEL 36-11-02. THEN REPLACED LEFT ENGINE PRV PER A330 AMM 36-11. OP - [SDR DALA2024072907526](https://openairdocs.org/sdr/DALA2024072907526), Jul 27, 2024: ENGINE. MAKING METAL. SHIP 3306 -ATO- DISCONTINUED TAKEOFF AT 120 KNOTS DUE TO LEFT ENGINE FAILED. REPORTS OF FIRE INSIDE THE ENGINE. LEFT ENGINE FIRE BOTTLES DISCHARGED, NO COCKPIT - [SDR DALA2024072607483](https://openairdocs.org/sdr/DALA2024072607483), Jul 23, 2024: ENGINE. FAILED. SHIP 3306 -ATO- DISCONTINUED TAKEOFF AT 120 KNOTS DUE TO LEFT ENGINE FAILED. REPORTS OF FIRE INSIDE THE ENGINE. LEFT ENGINE FIRE BOTTLES DISCHARGED, NO COCKPIT - [SDR DALA2024052305455](https://openairdocs.org/sdr/DALA2024052305455), May 22, 2024: ENGINE. STALLED. SHIP 3307 ENGINE STALL WITH ABORTED TAKE OFF. CORRECTIVE ACTION: ENGINE REPLACED THIS IS TIED TO LOG PAGE 5394984 AND ODI 2024-00364. JOB COMPLETE. - [SDR DALA2024052305456](https://openairdocs.org/sdr/DALA2024052305456), May 22, 2024: ENGINE. STALLED. SHIP 3307- ATO - DISCONTINUED TAKEOFF AROUND 30 KNOTS DUE TO LEFT ENGINE STALL. CORRECTIVE ACTION: FOUND N1 SEIZED, REPLACED #1 ENGINE, REPLACED EXPENDED FIRE B - [SDR DALA2024030102913](https://openairdocs.org/sdr/DALA2024030102913), Mar 1, 2024: ENGINE. STALLED. SHIP 3361 -DIV- AIRCRAFT DIVERTED TO SYR DUE TO LEFT ENGINE EXPERIENCED ENGINE STALL AND POWER RETURNED WITHOUT CREW INTERVENTION. CORRECTIVE ACTION: R/R #1 ENG - [SDR DALA2024030102909](https://openairdocs.org/sdr/DALA2024030102909), Feb 29, 2024: ENGINE. FAILED. SHIP 3361 #1 ENGINE FAILURE. CORRECTIVE ACTION: REPLACED ENGINE. THIS WAS RELATED TO A SDR FOR INFLIGHT ENGINE FAILURE. (0222246) - [SDR DALA2024020701676](https://openairdocs.org/sdr/DALA2024020701676), Feb 1, 2024: ENGINE. FAILED. SHIP 3303 -ATB/IFSD- AIRCRAFT RETURNED TO BCN DUE TO LEFT ENGINE FAILURE AFTER TAKEOFF. R/R ENGINE PER AMM 71-01. OK FOR SERVICE. - [SDR DALA2023121210183](https://openairdocs.org/sdr/DALA2023121210183), Dec 11, 2023: UNKNOWN. UNKNOWN. SHIP 3311 -DIV- TO YYR DUE TO NUMBER ONE ENGINE NACELLE ANTI-ICE VALVE FAILED CLOSED. CORRECTIVE ACTION: REPLACED ANTI-ICE VALVE. (4184004) - [SDR DALA2023111209279](https://openairdocs.org/sdr/DALA2023111209279), Nov 11, 2023: UNKNOWN. UNKNOWN. SHIP 3354 - DIV - INTO BOS DUE TO LOSS OF THE BLUE HYDRAULIC FLUID. CORRECTIVE ACTION: REPLACED #1 ENG BLUE HYDRAULIC PUMP, BLUE CASE DRAIN FILTER, REPLACED LOW - [SDR DALA2023062305093](https://openairdocs.org/sdr/DALA2023062305093), Jun 23, 2023: UNKNOWN. UNKNOWN. SHIP 3306 - ATB - DURING CLIMBOUT, EXPERIENCED HYDRAULIC GREEN RESERVOIR OVERHEAT ON ECAM. COMPLIED WITH QRH PROCEDURE HOWEVER PRESSURE AT 3000PSI AFT GREEN PUM - [SDR DALA2023011200259](https://openairdocs.org/sdr/DALA2023011200259), Jan 11, 2023: ANTI-ICE VALVE. FAULTED. SHIP 3305 -DIV- TO MAD DUE TO NBR 1 ENGINE ANTI ICE VALVE FAILED CLOSED. CORRECTIVE ACTION: REPLACED VALVE AND SWAPPED SOLENOID WITH NACELLE COOLING VALVE SOLEN - [SDR DALA2022120707866](https://openairdocs.org/sdr/DALA2022120707866), Dec 6, 2022: ANTI-ICE VALVE. FAILED. DIVERTED TO JFK DUE TO NR 2 ENGINE ANTI-ICE VALVE FAILED CLOSED. REPLACED THE ANTI-ICE VALVE. - [SDR DALA2022111507358](https://openairdocs.org/sdr/DALA2022111507358), Nov 12, 2022: PROBE. FAULTED. SHIP 3353 -ATB- SHORTLY AFTER TAKEOFF FLIGHT CREW RECEIVED LEFT ENGINE EPR MODE FAULT AND N1 WENT INTO DEGRADED MODE. LEFT ENGINE EEC FAULTS P2T2 PROBE (E1-4014 - [SDR DALA2022101906755](https://openairdocs.org/sdr/DALA2022101906755), Oct 19, 2022: NONE. NONE. SHIP 3306 -ATB- AFTER TAKEOFF AIRCRAFT SHUTTERED WITH LEFT ENGINE STALL MESSAGE, ALL ENGINE PARAMETERS NORMAL. QRH NOTE SAYS NOT TO INITIATE OVER WATER CROSSING - [SDR DALA2022072605132](https://openairdocs.org/sdr/DALA2022072605132), Jul 25, 2022: NONE. NONE. SHIP 3303 #1 ENG I/B THR/REV HAS RED FIRE COATING REPAIR THAT IS DISBONDING. CORRECTIVE ACTION: REPAIRED PER A330 AMM 78-32-00. (2336273) - [SDR DALA2022011000213](https://openairdocs.org/sdr/DALA2022011000213), Jan 7, 2022: WARNING MESSAGE. ILLUMINATED. SHIP 3317 - ATB - TO SLC DUE TO FAILURE OF ETOPS VF FOR #1 ENGINE (EPR MODE FAULT). CORRECTIVE ACTIVE: T/S EPR MODE FAULT W/P5 SENSE LINE FAULT PER A330 TSM. CH - [SDR DALA2021100606102](https://openairdocs.org/sdr/DALA2021100606102), Oct 6, 2021: NONE. NONE. SHIP 3305 MULTIPLE LIGHTNING STRIKE DAMAGE #1 LT FWD FAN COWL 6 INCHES AFT OF FWD EDGE. CORRECTIVE ACTION: REPAIRED FAN COWL DAMAGE PER A330 SRM 51-77-12. (1973 - [SDR DALA2021091505498](https://openairdocs.org/sdr/DALA2021091505498), Sep 14, 2021: GUIDE VANE. CRACKED. SHIP 3352 DURING PDC FOUND 2EA EXIT GUIDE VANE CRACKED AND MISSING BASE AT 1 O' CLOCK AND 2 O' CLOCK POSTION. CORRECTIVE ACTION: REMOVED 2EA EXIT GUIDE VANES PE - [SDR DALA2021081204625](https://openairdocs.org/sdr/DALA2021081204625), Aug 8, 2021: ENGINE. MAKING METAL. SHIP 3308 - ATB- DUE TO RIGHT ENGINE HIGH EGT AND VIBRATION AFTER TAKEOFF. MAINTENANCE FOUND METAL IN TAIL PIPE, WILL REQUIRE ENGINE CHANGE. REPLACED #2 ENGINE. - [SDR DALA2021010400041](https://openairdocs.org/sdr/DALA2021010400041), Jan 1, 2021: COMPRESSOR. STALLED. DIV/FIRE TO KEF DUE TO COMPRESSOR STALLS FROM THE NBR 1 ENGINE AND ASSOCIATED HIGH ENGINE VIBES. FLAMES EXITING ENGINE EXHAUST. ENGINE WAS NOT SHUT DOWN. CORREC - [SDR DALA2020072802650](https://openairdocs.org/sdr/DALA2020072802650), Jul 27, 2020: PROBE. MALFUNCTIONED. ATB - RIGHT ENGINE HAD MEL 73-25-01B (LP 9793990) APPLIED FOR EPR CONTROL MODE AND AUTO THRUST FUNCTION. AFTER CLIMB OUT FLIGHT CREW WAS UNABLE TO MEET/COMPLY W - [SDR DALA2020020701020](https://openairdocs.org/sdr/DALA2020020701020), Feb 6, 2020: LINE. LEAKING. SHIP 3352 -HYD- LOST GREEN HYDRAULIC SYSTEM RESULTING IN AN ALTERNATE GEAR EXTENSION. CORRECTIVE ACTION: FOUND LEAK AT PRESSURE LINE FROM ENGINE PUMP. REPLACED - [SDR AALA202001319021](https://openairdocs.org/sdr/AALA202001319021), Jan 30, 2020: ENGINE. VIBRATION. AIRCRAFT WAS GROUNDED, FLIGHT RETURNED DEPARTURE DUE TO NR 1 ENGINE VIBRATION REPORTED. EMERGENCY WAS DECLARED. , LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM - [SDR DALA2019120507097](https://openairdocs.org/sdr/DALA2019120507097), Dec 4, 2019: WARNING MESSAGE. FALSE ACTIVATION. SHIP 3307-IFSD- WHILE ON APPROACH INTO BCN LEFT ENG FUEL LEAK MESSAGE WITH ENGINE ROLLBACK AND NO THROTTLE RESPONSE. FLIGHT CREW SHUT DOWN LEFT ENGINE. CORRECTI - [SDR DALA2019111406633](https://openairdocs.org/sdr/DALA2019111406633), Nov 13, 2019: ECU. FAULTED. SHIP 3359 - IFSD - RIGHT ENGINE STALL ON APPROACH INTO ZRH. CREW PERFORMED ECAM AND QRH PROCEDURES. RIGHT ENGINE WOULD NOT RESPOND TO THROTTLE INPUTS, ENGINE WA - [SDR DALA2019071604256](https://openairdocs.org/sdr/DALA2019071604256), Jul 13, 2019: PRESSURE VALVE. FAULTY. SHIP 3313 - ATB - DUE TO BOTH ENGINES HAVING BLEED SUPPLY ISSUES. NO PACKS TAKE-OFF WAS BEING ACCOMPLISHED DUE TO PERFORMANCE LIMITATIONS. PACKS WOULD NOT COME - [SDR AALA201907019051](https://openairdocs.org/sdr/AALA201907019051), Jun 28, 2019: INDICATION SYS. FAULTY. AIRCRAFT WAS GROUNDED: PILOT RETURNED TO CLT ON ACCOUNT OF NUMBER 1 ENGINE OVER TEMPERATURE INDICATION. EMERGENCY DECLARED. MAINTENANCE ACCOMPLISHED VISUAL INSP All 245: https://openairdocs.org/engine/pratt-whitney-pw4168a/reports.md ## STCs that may be installed (OpenAirDocs) (1) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE825NE](https://openairdocs.org/stc/SE825NE): PW Thrust Reverser. Pratt & Whitney --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.