# Pratt & Whitney PW4462 - Type: Engine model (FAA registry) - Registry code: 52171 - Manufacturer (registry): P & W - Model: PW4462 - Engine type: Turbo-fan - Power: 62,000 lb thrust - Data sheet: [TCDS E24NE](https://openairdocs.org/tcds/E24NE) (OpenAirDocs) - Holder: Pratt & Whitney Division - Installed in: 8 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-pw4462 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 2026-21-06](https://openairdocs.org/ad/2026-21-06): Engine Fuel and Control · Pratt & Whitney Division PW4052, PW4056, PW4060 and 10 more. Effective Nov 23, 2026 - [AD 2018-13-02](https://openairdocs.org/ad/2018-13-02): Turbine Engine Combustion Section · Pratt & Whitney Division PW4052, PW4056, PW4060 and 7 more. Effective Jul 20, 2018 - [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 2012-22-16](https://openairdocs.org/ad/2012-22-16): 3rd stage LPT duct segments · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Dec 19, 2012 - [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 2012-06-18](https://openairdocs.org/ad/2012-06-18): Engine · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Apr 27, 2012 - [AD 2012-04-04](https://openairdocs.org/ad/2012-04-04): fuel metering units (FMUs) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Apr 5, 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 2010-24-14](https://openairdocs.org/ad/2010-24-14): HPC 10th stage disk · Pratt & Whitney Division PW4050, PW4052, PW4056 and 17 more. Effective Jan 21, 2011 - [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 2008-24-13](https://openairdocs.org/ad/2008-24-13): Electronic engine controls (EECs) · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Jan 8, 2009 - [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 2003-19-15](https://openairdocs.org/ad/2003-19-15): High-Pressure-Compressor (HPC) Surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Oct 30, 2003 - [AD 2002-12-15](https://openairdocs.org/ad/2002-12-15): Front Drum Rotors · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Jul 31, 2002 - [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 - [AD 98-23-08](https://openairdocs.org/ad/98-23-08): High Pressure Compressor Blade Tips · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jan 12, 1999 - [AD 98-19-03](https://openairdocs.org/ad/98-19-03): High Pressure Turbine Rotating Airseals · Pratt & Whitney Division PW4052, PW4056, PW4060 and 9 more. Effective Nov 9, 1998 - [AD 96-13-08](https://openairdocs.org/ad/96-13-08): AFT Cascade Support Frame Assembly · Pratt & Whitney assembly Part Number 221D5015, Revision A (STC SE744NE). Effective Aug 1, 1996 Historical (superseded or no longer in force): - [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 2003-11-18](https://openairdocs.org/ad/2003-11-18) (historical): High-Pressure-Compressor (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jul 7, 2003 - [AD 2002-21-10](https://openairdocs.org/ad/2002-21-10) (historical): High pressure compressor (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Nov 12, 2002 - [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 2001-25-11](https://openairdocs.org/ad/2001-25-11) (historical): Compressor Surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jan 17, 2002 - [AD 2001-20-13](https://openairdocs.org/ad/2001-20-13) (historical): High Pressure Compressor Front Drum Rotors · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Nov 16, 2001 - [AD 2001-15-12](https://openairdocs.org/ad/2001-15-12) (historical): High Pressure Compressors (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Aug 10, 2001 - [AD 2001-09-07](https://openairdocs.org/ad/2001-09-07) (historical): High Pressure Compressor (HPC) Surge · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective May 14, 2001 - [AD 2001-08-52](https://openairdocs.org/ad/2001-08-52) (historical): Multiple-engine power loss due to HPC surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more - [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 2000-22-01](https://openairdocs.org/ad/2000-22-01) (historical): High Pressure Compressor Cutback Stator · Pratt & Whitney Division PW4050, PW4052, PW4056 and 6 more. Effective Nov 9, 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 99-17-16](https://openairdocs.org/ad/99-17-16) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 11 more. Effective Sep 24, 1999 - [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 ## Information bulletins (advisory) (6) - [SAIB 2025-06](https://openairdocs.org/saib/2025-06): High Pressure Turbines. Issued Jul 22, 2025 - [SAIB NE-19-02](https://openairdocs.org/saib/NE-19-02): Turbine Engine Compressor Section -- Low-pressure turbine uncontainment. Issued Feb 19, 2019 - [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 (8) - [N275UP](https://openairdocs.org/aircraft/N275UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 1997, S/N 48774 - [N276UP](https://openairdocs.org/aircraft/N276UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 1996, S/N 48579 - [N521FE](https://openairdocs.org/aircraft/N521FE): [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), built 1992, S/N 48478 - [N522FE](https://openairdocs.org/aircraft/N522FE): [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), built 1992, S/N 48476 - [N525FE](https://openairdocs.org/aircraft/N525FE): [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), built 1993, S/N 48565 - [N529FE](https://openairdocs.org/aircraft/N529FE): [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), built 1998, S/N 48624 - [N631FE](https://openairdocs.org/aircraft/N631FE): [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), built 1991, S/N 48454 - [N642FE](https://openairdocs.org/aircraft/N642FE): [Federal Express Corp](https://openairdocs.org/faa-owner/FEDERAL%20EXPRESS%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), built 1992, S/N 48485 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports (2) 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. - [Incident 20240905020419I](https://openairdocs.org/incident/20240905020419I), Sep 5, 2024: Mcdonnell Douglas MD-11F (N276UP), Sacramento, CA, No damage. On September 05, 2024, 5X975, MD11, pdx-ont, declared an emergency due to an electrical fuse indicator coming from the galley and the pilot reporting fumes and… - [Incident 20230127019579I](https://openairdocs.org/incident/20230127019579I), Jan 27, 2023: Mcdonnell Douglas MD-11F (N275UP), Louisville, KY, No damage. The APU had performed an auto shutdown immediately prior to the event flight and was deferred per the operators approved mel/cdl. Subsequent to the air return… ## Service difficulty reports (778, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR FDEA202507121184](https://openairdocs.org/sdr/FDEA202507121184), Jul 12, 2025: ENGINE. FAILED. AT FL360 STARTING THE DESCENT WE RECEIVED A LVL 2 SELECT FADEC ALTN ALERT ON ENG 2. STARTED THE QRH CHECKLIST WE RECEIVED A LVL 2 ENG 2 RPM LO ALERT. COMPLETED - [SDR FDEA202502070209](https://openairdocs.org/sdr/FDEA202502070209), Feb 7, 2025: ENGINE. VIBRATION. EXPERIENCED AN ENGINE FAILURE AFTER TAKEOFF WITH HIGH EGT AND VIBRATION AT APPROXIMATELY 600 FEET. AFTER NOTIFYING TOWER FOR AIRBORNE RETURN TO TORONTO, EYE WIT - [SDR FDEA202409021214](https://openairdocs.org/sdr/FDEA202409021214), Sep 2, 2024: ENGINE. FAILED. TWO HOURS INTO FLIGHT FL380, SAW #3 ENG OIL QTY AMBER BOX AT 4 QTS. IT REMAINED STEADY AT 4, BUT ALTERNATING WHITE/AMBER. NO OTHER ALERTS OR ABNORMAL ENGINE REA - [SDR FDEA202404270518](https://openairdocs.org/sdr/FDEA202404270518), Apr 27, 2024: ENGINE. FAILED. ON TO ROLL ENG 2 WOULD NOT MAKE TAKE OFF EPR. RECEIVED RED ENG FAIL LIGHT. REJECTED AT 120 KNOTS. TAKE OFF WEIGHT REQUIRED 62K THRUST LIMITS. AFTER CLEARING RUN - [SDR FDEA202308151439](https://openairdocs.org/sdr/FDEA202308151439), Aug 15, 2023: ENGINE. FAILED. ENG 3 RPM LOW ALERT FILLED BY FADEC MAINT ALERT. ATTEMPTED AIR START WITH NO SUCCESS. SECURED ENGINE. EMERGENCY DECLARED R&R FCU/PUMP/EEC. FOUND INTERNALLY DAMA - [SDR FDEA202206271582](https://openairdocs.org/sdr/FDEA202206271582), Jun 27, 2022: OIL SYSTEM. LEAKING. NUMBER 3 ENGINE LOST OIL QUANTITY (ALL OIL GONE) AS WE WERE IN THE CLIMB-OUT PASSING ABOUT 6,500 FEET, FOLLOWED BY AN OIL PRESSURE ALERT ABOUT A MINUTE LATER. R - [SDR FDEA202104301073](https://openairdocs.org/sdr/FDEA202104301073), Apr 30, 2021: ENGINE. FAILED. DURING DESCENT THROUGH 7000 FEET RECEIVED LEVEL 1 ENG 2 FADEC MAINT ALERT. DURING ROLLOUT RECEIVED LEVEL 1 ENG 2 EGT HI WITH EGT INDICATION OF 657 AND RISING RA - [SDR FDEA2020073091712](https://openairdocs.org/sdr/FDEA2020073091712), Jul 29, 2020: ENGINE. VIBRATION. DURING CRUISE FLIGHT AT FL 360, BANG NOISE SEVERAL TIMES, THEN FELT VIBRATION IN THROTTLE FOR NR 1 ENGINE FOLLOWED BY ENGINE NR 1 OVERTEMP FOR OIL ABOVE REDLINE - [SDR FDEA202007291712](https://openairdocs.org/sdr/FDEA202007291712), Jul 29, 2020: ENGINE. DAMAGED. DURING CRUISE FLIGHT AT FL 360 WE GOT BANG NOISE SEVERAL TIMES, THEN FELT VIBRATION IN THROTTLE FOR #1 ENGINE FOLLOWED BY ENGINE #1 OVERTEMP FOR OIL ABOVE REDLI - [SDR FDEA2020032320599](https://openairdocs.org/sdr/FDEA2020032320599), Mar 22, 2020: ENGINE. MALFUNCTIONED. AFTER T/O IN CLIMB PASSING FL200 #2 ENG ROLLED BACK AND EGT SPIKED ABOVE 600 EGT WITH ASSOC. BANG HEARD AND NOTICABLE SHUDDER/ ACCOMPLISHED "ENG FIRE SEVERE DAM - [SDR FDEA201909132239](https://openairdocs.org/sdr/FDEA201909132239), Sep 13, 2019: ENGINE. FAILED. PDIS 621 79-01 3323 13SEP19 MEM OPEN U LOGPAGES: 3144515 2 HOURS INTO FLIGHT #3 ENG OIL QTY WENT RAPIDLY TO 4-THEN DECREASED TO 1-OIL PRESS AND TEMP OK. PER MOC - [SDR FDEA201907021461](https://openairdocs.org/sdr/FDEA201907021461), Jul 2, 2019: ENGINE. DAMAGED. PDIS 628 79-32 7899 02JUL19 BOS OPEN U LOGPAGES:2725454 ENG 2 RPM LO, FOLLOWED BY ENG 2 OIL PRESSURE LO, OIL PRESSURE WAS "0". PRECAUTIONARY MANUAL SHUTDOWN. FL - [SDR FDEA2018081412014](https://openairdocs.org/sdr/FDEA2018081412014), Aug 11, 2018: PRESSURE SWITCH. FAILED. LEVEL 3 ALERT FOR THE NR 2 ENGINE ANTI-ICE DUCT FAILURE, COMPLIED WITH QRH. REMOVED AND REPLACED THE NR 2 ENGINE ANTI- ICE VALVE IAW AMM 30-22-01, AND THE PRESS - [SDR FDEA201805151239](https://openairdocs.org/sdr/FDEA201805151239), May 15, 2018: ENGINE. MALFUNCTIONED. WHILE DOING DELAYED ENGINE START ON ENG 2 (2 START ALL NORMAL) NOTICED ENGINE 3 IDLING HIGHER THAN ENGINE 1. ALL OTHER INDICATIONS ON ENG 3 NORMAL (EGT,FF,ETC.) - [SDR IPXA2018013026039](https://openairdocs.org/sdr/IPXA2018013026039), Jan 11, 2018: CHANNEL. CRACKED. INSPECTION TYPE: 2C, NR 2 ENGINE LT THRUST REVERSER FWD BULB SEAL CHANNEL IS CRACKED AND GOUGED. REPAIRED THE BULB SEAL CHANNEL IAW EA 011-5430-01-A7089, REV I/ - [SDR IPXA2018012725934](https://openairdocs.org/sdr/IPXA2018012725934), Jan 10, 2018: SLEEVE. GOUGED. INSPECTION TYPE: 2C, NR 3 ENGINE RT THRUST REVERSER TRANSLATING SLEEVE LOWER SLIDER IS GOUGED AT NAC STA 125.5. REPAIRED THE THRUST REVERSER SLEEVE IAW EA 011-7 - [SDR FDEA201704051088](https://openairdocs.org/sdr/FDEA201704051088), Apr 5, 2017: FMU. FAILED. AFTER LANDING, TOWER NOTIFIED THAT HAD A LOT OF SMOKE COMING FROM ENGINE NR 2. NO FIRE INDICATIONS IN COCKPIT, SHUT DOWN ENGINE AS A PRECAUTION. RAN EVACUATION - [SDR IPXA2017031515183](https://openairdocs.org/sdr/IPXA2017031515183), Mar 10, 2017: COMPRESSOR. STALLED. EMERGENCY DECLARED DUE TO THE NR 2 ENGINE COMPRESSOR STALLED. CREW SHUTDOWN THE ENGINE. REPLACED THE NR 2 ENGINE. - [SDR FDEA201505291661](https://openairdocs.org/sdr/FDEA201505291661), May 29, 2015: SENSOR. MALFUNCTIONED. 20 MILES, PLANE IN CLEAN CONFIG, GOT SERIOUS VIBRATION. CHECKED ENG INSTRUMENTS & SAW NR 2 ENG WAS 15% LESS ON N2 COMPARED TO OTHER ENGS. EGT STARTED TO CLIMB, - [SDR FDEA201501070064](https://openairdocs.org/sdr/FDEA201501070064), Jan 7, 2015: GEARBOX. FAILED. DURING CLIMB, PASSING APPROX 9000 FEET, RECEIVED A LEVEL 2 MASTER CAUTION LIGHT FOR LOW OIL PRESSURE IN NR 2 ENGINE. REFERRED TO QRH. NR 2 OIL WAS IN THE RED IN - [SDR FDEA201501020011](https://openairdocs.org/sdr/FDEA201501020011), Jan 2, 2015: COALESCER BAG. DIRTY. EXPERIENCED FUME EVENT, OIL VAPOR SMELL, IN COCKPIT & CABIN WHEN STARTING NR 1 ENG. CREW WILL FILE MANDATORY FLIGHT SAFETY REPORT. ACCORDING TO MY RESEARCH THIS - [SDR FDEA201406251547](https://openairdocs.org/sdr/FDEA201406251547), Jun 25, 2014: ENGINE. FAILED. ON DEPARTURE ROLL TPE 23R APPROACHING 100 KTS EXPERIENCED NR 1 ENG FAILURE. REJECT PERFORMED, ACFT TOWED BACK TO GATE TIME 1349. ENG FIRE AGENT DISCHARGED IAW Q - [SDR FDEA201406141449](https://openairdocs.org/sdr/FDEA201406141449), Jun 14, 2014: SKIN. CRACKED. LT WING LE SKIN FOR ACCESS PANEL CUTOUT IS CRACKED. CONFIRMED CRACK BY HFEC INSPECTION IAW NDTSPM PT 6. CRACK TERMINATES AT FASTENER. REMOVED LT WING ACCESS PAN - [SDR FDEA201406111407](https://openairdocs.org/sdr/FDEA201406111407), Jun 11, 2014: FMU. INOPERATIVE. REJECTED TAKEOFF FOR AN ENGINE FAIL LIGHT. NR 3 ENGINE WOULD NOT FULLY SPOOL UP. PERFORMED GVI FOR BOTH ENGINE INTAKE & EXHAUST AREA, FOUND NO DEFECTS. NO FAULT - [SDR FDEA201405120985](https://openairdocs.org/sdr/FDEA201405120985), May 12, 2014: ENGINE. MALFUNCTIONED. NR 3 ENG WOULD NOT ADVANCE TO MAX POWER, EPR OF 1.61, AUTO THROTTLES ADVANCED ENGINES 1 & 2 TO 1.61 EPR, NR 3 STOPPED AT 5% - 6% BELOW 1 & 2. THROTTLE NR 3 STOP - [SDR FDEA201310022380](https://openairdocs.org/sdr/FDEA201310022380), Oct 2, 2013: WINDOW. LOOSE. LEFT SIDE COCKPIT ESCAPE ROPE VIEWING DOOR GLASS IS LOOSE. CORRECTLY INSTALLED VIEWING GLASS. - [SDR WRLA20130922602](https://openairdocs.org/sdr/WRLA20130922602), Sep 22, 2013: APU. SHUTDOWN. DURING DEPARTURE, APU SHUTDOWN AT NR2 ENGINE START. ENGINE AROUND 22 PERCENT N2 WHEN APU STARTED TO ROLL BACK AND COULD NOT SUSTAIN THE ENGINE START. SHUT IT DO - [SDR FDEA201304050728](https://openairdocs.org/sdr/FDEA201304050728), Apr 5, 2013: TRANSMITTER. FAILED. ON DEPARTURE, NR 3 ENGINE OIL PRESSURE WENT TO ZERO IN RED. FOLLOWED QRH PROCEDURES AND SHUTDOWN NR 3. R & R NR 3 ENGINE OIL TRANSMITTER IAW MM 79-33-01-4-2. LE - [SDR WRLA20130401588](https://openairdocs.org/sdr/WRLA20130401588), Apr 1, 2013: CONNECTOR. UNSECURE. UPON ARRIVAL AT STATION KTIK, FWD ZONE EMERGENCY LIGHTS CAME ON AND WOULD NOT SHUT OFF. PROBLEM WAS CORRECTED BY RESECURING OF THE EMERGENCY BATTERY CONNECTOR. - [SDR WRLA20130304585](https://openairdocs.org/sdr/WRLA20130304585), Mar 4, 2013: SKIN. CORRODED. CRACK - DURING 4C CHECK OF DATUM AIRCRAFT, EGAT MECHANIC FOUND CORROSION ON THE UPPER SURFACE OF FWD UNDERWING BARREL LOWER SKIN BETWEEN STA 1521 AND STA 5-00/1 - [SDR WRLA20130304586](https://openairdocs.org/sdr/WRLA20130304586), Mar 4, 2013: DOOR. NICKED. CRACK - DURING 4C CHECK OF DATUM AIRCRAFT, EGAT MECHANIC FOUND TWO NICKS ON THE SKIN OF LEFT WING SLAT ACTUATOR DOOR PANEL 518FB. - [SDR WRLA20130301582](https://openairdocs.org/sdr/WRLA20130301582), Mar 1, 2013: SKIN. CRACKED. CRACK - DURING 4C CHECK OF DATUM AIRCRAFT, EGAT MECHANIC FOUND CORROSION ON UPPER SKIN UPPER SURFACE OF CENTER WING AT STA Y=1240, X=107.25 AND STA Y=1250, X=10 - [SDR WRLA20130301583](https://openairdocs.org/sdr/WRLA20130301583), Mar 1, 2013: SEAT TRACK. CRACKED. CRACK - DURING 4C CHECK OF DATUM AIRCRAFT, EGAT MECHANIC FOUND CORROSION ON CABIN SEAT TRACK AT STA Y=522, X=-75.25. - [SDR WRLA20130301584](https://openairdocs.org/sdr/WRLA20130301584), Mar 1, 2013: LONGERON. CRACKED. CRACK - DURING 4C CHECK OF DATUM AIRCRAFT, EGAT MECHANIC FOUND CORROSION ON THE LONGERON L-40R AT STA Y=1987. - [SDR WRLA20130224579](https://openairdocs.org/sdr/WRLA20130224579), Feb 24, 2013: UNKNOWN. SMOKE. AIR RETURN - SMOKE IN COCKPIT. REMOVED ALL DU'S, GLARESHIELD, AND OPENED ALL CB PANELS FOR INSPECTIONS. FOUND NO CHAFING WIRES OR BURN INDICATIONS. PERFORMED RT - [SDR FDEA201302110317](https://openairdocs.org/sdr/FDEA201302110317), Feb 11, 2013: ACTUATOR. FAILED. "ON TAKEOFF ROLL AT APPROX 100KTS FELT NOTICEABLE THUD AND LOSS OF THRUST FOLLOWED BY AN ENGINE FAIL LIGHT -ANOTHER ACFT REPORTED FLAMES COMING FROM THE TAIL PI - [SDR FDEA201302090308](https://openairdocs.org/sdr/FDEA201302090308), Feb 9, 2013: SKIN. MISREPAIRED. RT WING NR 3 SLAT UPPER SURFACE AT XOS 514 MISREPAIRED. REPAIRED IAW EA 1-5700- 163004 PART 1, STEP 2. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100 REVISION 116. - [SDR WRLA20130111578](https://openairdocs.org/sdr/WRLA20130111578), Jan 11, 2013: UNKNOWN. ODOR. ELECTRICAL BURNING ODOR DURING, SMOKE/ FUME CHECKLIST COMPLIED WITH , ODOR DISSIPATED WHEN ELEC/AIR SWITCH PLACED TO THE 3/1 POSITION. MAINTENANCE RETURNED ALL - [SDR WRLA20121229577](https://openairdocs.org/sdr/WRLA20121229577), Dec 29, 2012: BATTERY PACK. FAILED. DURING PRE-FLIGHT INSPECTION FOUND NR 2 EMERGENCY BATTERY PACK FAILED TEST (NOTE: NR 2 BATTERY PACK REMOVED). REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY - [SDR WRLA20121117558](https://openairdocs.org/sdr/WRLA20121117558), Nov 17, 2012: CARGO TRACK. CORRODED. CORROSION - DURING C04 CHECK, EGAT MECHANIC FOUND LONGERON SURFACE LOCATED ON CENTER CARGO UNDER FLOOR AT LONGERON 51 LEFT AT STA 1601 TO STA 1621. REPAIRED DAM - [SDR WRLA20121117559](https://openairdocs.org/sdr/WRLA20121117559), Nov 17, 2012: LONGERON. CORRODED. CORROSION - DURING C04 CHECK, EGAT MECHANIC FOUND LONGERON 51LT LOCATED AT STA 1701 TO STA 1721 ON CENTER CARGO COMPT. REPAIRED DAMAGED AREA PER MD-11 SRM 53-00 - [SDR WRLA20121117561](https://openairdocs.org/sdr/WRLA20121117561), Nov 17, 2012: SEAT TRACK. CORRODED. CORROSION - DURING C04 CHECK, EGAT MECHANIC FOUND CABIN SEAT TRACK CORROSION AT STA 460, X= -27.5. REPAIRED DAMAGED AREA PER MD-11 SRM 53-00-52, REPAIR 1, REV 5 - [SDR WRLA20121117562](https://openairdocs.org/sdr/WRLA20121117562), Nov 17, 2012: SEAT TRACK. CORRODED. CORROSION - DURING C04 CHECK, EGAT MECHANIC FOUND CABIN SEAT TRACK CORROSION AT STA 1351, X= -75.25. REPAIRED DAMAGED AREA PER MD-11 SRM 53-00-52, REPAIR 1, REV - [SDR WRLA20121117563](https://openairdocs.org/sdr/WRLA20121117563), Nov 17, 2012: SKIN. CRACKED. CRACK - DURING C04 CHECK, EGAT MECHANIC FOUND CRACKS ON RIGHT FAIRING SKIN OF TAIL PYLON LWR AFT SECTION. REPAIRED PER EGAT EI: W2012A54B-2664,R01. CONDITION CH - [SDR WRLA20121117564](https://openairdocs.org/sdr/WRLA20121117564), Nov 17, 2012: WEB. CRACKED. CRACK - DURING C04 CHECK, EGAT MECHANIC FOUND CRACK ON RIGHT WEB PN: ACA3804-27 AT AIR CONDITION DOOR JAMB, STA Y=555, L-36. REPAIRED PER EGAT EI: W2012A53B-261 - [SDR WRLA20121116560](https://openairdocs.org/sdr/WRLA20121116560), Nov 16, 2012: FRAME. CRACKED. CRACK - DURING C04 CHECK, EGAT MECHANIC FOUND CRACKS ON FRAME (P/N: AGA7098-3) AND CAP (AGA7098-7) AT STA Y=1841. - [SDR WRLA20121116565](https://openairdocs.org/sdr/WRLA20121116565), Nov 16, 2012: SKIN. DENTED. DENT - DURING C04 CHECK, EGAT MECHANIC FOUND TWO DENTS ON FUSELAGE SKIN BETWEEN STA Y -495 AND Y=515, L-25L AND L-28L. REPAIRED PER EGAT EI: W2012A53B-2668, R00 - [SDR WRLA20121110566](https://openairdocs.org/sdr/WRLA20121110566), Nov 10, 2012: WEB. CORRODED. CORROSION - DURING C04 CHECK, EGAT MECHANIC FOUND CORROSION ON HORIZONTAL WEB (P/N: NCA6048-3) OF NOSE WHEEL WELL AT STA Y=515. REPAIRED PER EGAT EI:W2012A53B-2 - [SDR IPXA12M75578](https://openairdocs.org/sdr/IPXA12M75578), Sep 26, 2012: AILERON SYS. MALFUNCTIONED. DURING CLIMB AT FLAP RETRATION LEVEL 1 AILERON DEFLECT INOP FOLLOWED BY LVL 2 AILERON DEFLECT DISAGREE. ACFT HAD UNCOMMANDED ROLL TO LEFT. RAN QRH CHECKLIST. NO - [SDR FDEA201209073249](https://openairdocs.org/sdr/FDEA201209073249), Sep 7, 2012: SEAT TRACK. CORRODED. MAIN DECK CARGO TRACK AT BS 1880, X=-8.5 FOUND CORRODED. REPAIRED BY SECTIONAL SEAT TRACK REPLACEMENT FROM STA.1751 TO STA..1887 , X= -8.5 AS PER SRM 53-00-52 F All 778: https://openairdocs.org/engine/pratt-whitney-pw4462/reports.md ## STCs that may be installed (OpenAirDocs) (3) 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 SE01543CH](https://openairdocs.org/stc/SE01543CH): Replace Hamilton Sundstrand P/N 778839-13, 778839-14, 778839-19, 778839-20, 778839-37, 778839-38, 816682-1, 840618-2, 880724 carbon bushings with Cook Airtomic P/N AIR22947 Slotted Entry Busing in the High Pressure Shutoff Valve. Cook Airtomic - [STC SE00053AT-D](https://openairdocs.org/stc/SE00053AT-D): Modification of fan exit guide vane, to line replaceable unit configuration. Chromalloy Gas Turbine Corp - [STC SE744NE](https://openairdocs.org/stc/SE744NE): Pratt & Whitney assembly Part Number 221D5015, Revision A, for the wing installation, and Part Number 221D5017, Revision A, for the tail installation. 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.