# NTSB investigations: Pratt & Whitney PW4000 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 3 · 111 cases

## Latest cases

- [NTSB DCA27LA019](https://openairdocs.org/ntsb/DCA27LA019.md): Boeing 777-222 · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Class 4 · Limited · Investigation open · Oct 21, 2026 · N769UA · No damage
- [NTSB ENG27LA001](https://openairdocs.org/ntsb/ENG27LA001.md): Boeing 777-222 · San Francisco, CA · Incident · No injuries · Class 4 · Limited · Investigation open · Oct 6, 2026 · N796UA
- [NTSB DCA25WA345](https://openairdocs.org/ntsb/DCA25WA345.md): Boeing 777-222 · Ezeiza, Argentina · Incident · No injuries · Class 5 · Foreign · Sep 9, 2025 · N796UA · No damage
- [NTSB ENG25LA038](https://openairdocs.org/ntsb/ENG25LA038.md): Boeing 777 · Beijing, China · Incident · Class 3 · Limited · Preliminary report · May 26, 2025 · N793UA · Minor damage
  > On May 26, 2025, at approximately 0925 UTC, a Boeing 777-200, registration N793UA, operated as United Airlines flight 889, executed a rejected takeoff at Beijing Capital International Airport when the crew heard a loud bang and followed by a No. 2 (right)…
- [NTSB DCA25LA091](https://openairdocs.org/ntsb/DCA25LA091.md): Boeing 767-322 · Gulf of America (Gulf of Mexico) · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 29, 2024 · N647UA · No damage
  > An encounter with an area of clear air turbulence during cruise, which resulted in a serious injury to a flight attendant.
- [NTSB DCA25LA023](https://openairdocs.org/ntsb/DCA25LA023.md): Boeing 767-322 · Kingston, Jamaica · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 3, 2024 · N651UA · No damage
  > An inadvertent encounter with convective turbulence while in enroute cruise flight.
- [NTSB DCA25WA028](https://openairdocs.org/ntsb/DCA25WA028.md): Boeing 767-332 · Ndiass, Senegal · Incident · No injuries · Class 5 · Foreign · Oct 19, 2024 · N199DN · No damage
- [NTSB DCA24LA295](https://openairdocs.org/ntsb/DCA24LA295.md): Airbus A330-323 · Atlanta, GA · Accident · No injuries · Class 4 · Limited · Final report · Aug 31, 2024 · N808NW · 2 aircraft · Minor damage
  > Delta Air Lines flight crew’s incorrect evaluation of the clearance between their airplane and the airplane directly ahead of them as they made a 90 degree right turn onto an adjacent taxiway.
- [NTSB DCA24WA260](https://openairdocs.org/ntsb/DCA24WA260.md): Boeing 767-322 · Geneva, Switzerland · Incident · Class 4 · Foreign · Aug 10, 2024 · N659UA · No damage
- [NTSB DCA24LA097](https://openairdocs.org/ntsb/DCA24LA097.md): Boeing 777-222ER · Kelsey, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 10, 2024 · N788UA · No damage
  > The airplane’s encounter with an unanticipated localized region of moderate-to-severe turbulence while in instrument meteorological conditions (IMC) associated with strong upper-level wind shear and convective cells. Contributing to the severity of the…
- [NTSB DCA23WA458](https://openairdocs.org/ntsb/DCA23WA458.md): Boeing 767-332 · Prague, Czechia · Incident · No injuries · Class 3 · Foreign · Sep 1, 2023 · N175DN · No damage
- [NTSB DCA23LA421](https://openairdocs.org/ntsb/DCA23LA421.md): Boeing 777-222 · Over the (Atlantic Ocean) · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 18, 2023 · N209UA · No damage
  > An inadvertent encounter with clear air turbulence during cruise flight.
- [NTSB DCA23LA409](https://openairdocs.org/ntsb/DCA23LA409.md): Boeing 767-322 · Chantilly, VA · Accident · Class 4 · Limited · Final report · Aug 3, 2023 · N676UA · Substantial damage
  > Improper overhaul of the trunnion cross-pin hole that resulted in the development of stress corrosion cracking and eventual failure of the right forward trunnion.
- [NTSB DCA23LA384](https://openairdocs.org/ntsb/DCA23LA384.md): Boeing 767-322 · Houston, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 29, 2023 · N641UA · Substantial damage
  > The first officer’s improper control inputs after the airplane touched down. Contributing to the severity of the damage was the flight crew’s lack of recognition that the speedbrakes were not armed, which led to their delayed deployment.
- [NTSB DCA23WA394](https://openairdocs.org/ntsb/DCA23WA394.md): Boeing 767-332 · Fuimicino, Italy · Accident · No injuries · Class 5 · Foreign · Jul 24, 2023 · N189DN · Minor damage
- [NTSB DCA23WA166](https://openairdocs.org/ntsb/DCA23WA166.md): Boeing 767-332 · Prestwick, United Kingdom · Occurrence · Class 5 · Foreign · Feb 10, 2023 · N197DN
- [NTSB DCA23WA127](https://openairdocs.org/ntsb/DCA23WA127.md): Airbus A330-323 · Amsterdam, Netherlands · Incident · Class 5 · Foreign · Jan 12, 2023 · N802NW · Minor damage
- [NTSB DCA23LA172](https://openairdocs.org/ntsb/DCA23LA172.md): Boeing 777 · Kahului, HI · Incident · No injuries · Class 4 · Limited · Final report · Dec 19, 2022 · N212UA · No damage
  > The flight crew’s failure to manage the airplane’s vertical flightpath, airspeed, and pitch attitude following a miscommunication about the captain’s desired flap setting during the initial climb.
- [NTSB DCA23WA014](https://openairdocs.org/ntsb/DCA23WA014.md): Boeing 777-222 · Schiphol, Netherlands · Incident · Class 5 · Foreign · Sep 2, 2022 · N787UA · No damage
- [NTSB DCA22LA179](https://openairdocs.org/ntsb/DCA22LA179.md): Boeing 767-332 · New York, NY · Incident · No injuries · Class 4 · Limited · Final report · Jul 7, 2022 · N181DN · No damage
  > The failure of maintenance personnel to close the drain mast heater circuit breakers which resulted in the formation of ice in the forward drain mast, an improper flow of wastewater into the main landing gear wheel well, and the formation of ice on one or…
- [NTSB DCA22WA158](https://openairdocs.org/ntsb/DCA22WA158.md): Airbus A330-323 · Barcelona, Spain · Incident · Class 5 · Foreign · Jul 2, 2022 · N803NW · 2 aircraft · No damage
- [NTSB ENG22WA025](https://openairdocs.org/ntsb/ENG22WA025.md): Boeing 767-322 · Lima, Peru, Peru · Incident · Class 5 · Foreign · May 10, 2022 · N651UA · Minor damage
- [NTSB DCA21LA229](https://openairdocs.org/ntsb/DCA21LA229.md): Boeing 767-332 · Seattle, WA · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 1, 2021 · N196DN · No damage
  > The flightcrew’s failure to set the hydraulic panel correctly during the execution of the pushback checklist, and when the hydraulic panel setting was corrected, that resulted in the airplane coming to a sudden stop and a flight attendant receiving a serious…
- [NTSB DCA21LA210](https://openairdocs.org/ntsb/DCA21LA210.md): Mcdonnell Douglas MD-11F · Phoenix, AZ · Accident · No injuries · Class 4 · Limited · Final report · Aug 12, 2021 · N296UP · Substantial damage
  > The flight crew’s incorrect pitch attitude during go-around.
- [NTSB DCA21FA085](https://openairdocs.org/ntsb/DCA21FA085.md): Boeing 777-222 · Broomfield, CO · Incident · No injuries · Class 3 · Field · Final report · Feb 20, 2021 · N772UA · Minor damage
  > The fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection…
- [NTSB ENG21WA010](https://openairdocs.org/ntsb/ENG21WA010.md): Airbus A330 · Keflavik, Iceland · Incident · Class 5 · Foreign · Dec 28, 2020 · N810NW · No damage
- [NTSB DCA20WA039](https://openairdocs.org/ntsb/DCA20WA039.md): Boeing 767 · Shannon, Ireland · Incident · No injuries · Foreign investigation · Dec 16, 2019 · N642UA · No damage
  > The government of Ireland has notified the NTSB of an incident involving a Boeing 767 airplane that occurred on December 16, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Ireland's investigation under the provisions…
- [NTSB ENG19WA030](https://openairdocs.org/ntsb/ENG19WA030.md): Mcdonnell Douglas MD11 · Warsaw, Poland · Incident · No injuries · Foreign investigation · Aug 15, 2019 · N270UP · No damage
  > The government of Poland has notified the NTSB of an incident involving a Boeing (McDonnel-Douglas) MD-11F operated by UPS and powered by three Pratt & Whitney PW 4460 turbofan engines. During cruise, the No. 2 engine (right) experienced fluctuations and…
- [NTSB DCA19CA189](https://openairdocs.org/ntsb/DCA19CA189.md): Boeing 767 · San Juan, PR · Accident · Serious injuries · Class 4 · Data collection · Final report · Jul 22, 2019 · N663UA · No damage
  > An encounter with convective turbulence during cruise flight.
- [NTSB ENG19WA024](https://openairdocs.org/ntsb/ENG19WA024.md): Boeing 767 · London, United Kingdom · Incident · No injuries · Foreign investigation · Apr 29, 2019 · N657UA · Minor damage
  > The United Kingdom's Air Accidents Investigation Branch (AAIB) has notified the NTSB of an incident involving a Boeing 767-322, which occurred on April 29, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the AAIB investigation under…
- [NTSB DCA19CA034](https://openairdocs.org/ntsb/DCA19CA034.md): Boeing 767 · SUNNS intersection, Osaka, Japan · Accident · Serious injuries · Class 4 · Data collection · Final report · Dec 4, 2018 · N193DN · No damage
  > The airplane’s encounter with severe turbulence.
- [NTSB DCA18LA163](https://openairdocs.org/ntsb/DCA18LA163.md): Airbus A330 323 · Atlanta, GA · Accident · No injuries · Class 3 · Limited · Final report · Apr 18, 2018 · N806NW · Substantial damage
  > The flight crew’s delayed landing after an in-flight engine fire, which reignited after both fire bottles were discharged and resulted in substantial damage to an engine pylon. Contributing to the delayed landing was likely the flight crew’s perception that…
- [NTSB DCA18RA093](https://openairdocs.org/ntsb/DCA18RA093.md): Airbus A330 · Lagos, Nigeria · Incident · Minor injuries · Foreign investigation · Feb 13, 2018 · N858NW · Minor damage
  > The AIB of Nigeria has notified the NTSB of an incident involving a Airbus A330 airplane that occurred on February 13, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the AIB of Nigeria's investigation under the provisions of ICAO…
- [NTSB DCA17LA173](https://openairdocs.org/ntsb/DCA17LA173.md): Airbus 330 · East Hampton, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 5, 2017 · N276AY · No damage
  > an inadvertent encounter with convective turbulence.
- [NTSB ENG17IA026](https://openairdocs.org/ntsb/ENG17IA026.md): Boeing 747 451 · Tokyo, Japan · Incident · No injuries · Incident investigation · Final report · Jun 7, 2017 · N668US · No damage
  > The PW4056 engine lost power due to the fatigue fracture of a 5th stage compressor blade. The cause of the fatigue fracture could not be determined.
- [NTSB ENG17IA003](https://openairdocs.org/ntsb/ENG17IA003.md): Airbus A330 223 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Oct 26, 2016 · N855NW · No damage
  > A No. 1 engine fire caused by a fuel manifold supply line high cycle fatigue crack which led to a fuel leak that subsequently ignited on hot engine case surfaces. The fatigue crack originated and progressed due to elevated fuel manifold assembly vibration…
- [NTSB DCA16CA220](https://openairdocs.org/ntsb/DCA16CA220.md): Boeing 767 322 · International Waters, A1 · Accident · Serious injuries · Data collection · Final report · Aug 31, 2016 · N657UA · No damage
  > an inadvertent encounter with severe convective turbulence.
- [NTSB DCA16WA191](https://openairdocs.org/ntsb/DCA16WA191.md): Airbus Industrie A330 323 · London, United Kingdom · Incident · No injuries · Foreign investigation · Jun 26, 2016 · N276AY · No damage
  > Air Accident Investigation Branch (AAIB) notified the NTSB of a serious incident involving a AIRBUS INDUSTRIE A330 323 airplane that occurred on June 26, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the government of United…
- [NTSB DCA16RA175](https://openairdocs.org/ntsb/DCA16RA175.md): Mcdonnell Douglas MD11 · Incheon, South Korea · Accident · Minor injuries · Foreign investigation · Jun 6, 2016 · N277UP · Substantial damage
  > import
- [NTSB ENG16IA001](https://openairdocs.org/ntsb/ENG16IA001.md): Boeing 747 · Russian airspace, Japan · Incident · No injuries · Incident investigation · Final report · Oct 2, 2015 · N662US · Minor damage
  > The PW4056 engine experienced an in-flight loss of power because of damage to the low-pressure turbine (LPT) because of the inadequate overhaul inspection and repair instructions that existed at the time of the LPT module's last overhaul. A vane hook in the…
- [NTSB DCA15WA024](https://openairdocs.org/ntsb/DCA15WA024.md): Boeing 767 322 · Lima, Peru · Incident · No injuries · Foreign investigation · Nov 4, 2014 · N644UA · No damage
  > The Comisión Investigadora de Accidentes de Aviación (CIAA) of Peru has notified the NTSB of an incident involving a BOEING 767 322 that occurred on November 04, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the CIAA of Peru's…
- [NTSB DCA15WA015](https://openairdocs.org/ntsb/DCA15WA015.md): Boeing 747 422 · Frankfurt, Germany · Incident · No injuries · Foreign investigation · Oct 22, 2014 · N120UA · Minor damage
  > The German Federal Bureau of Aircraft Accident Investigation (BFU) has notified the NTSB of an accident involving a Boeing 747 that occurred on October 22, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the BFU's investigation under…
- [NTSB ENG14IA027](https://openairdocs.org/ntsb/ENG14IA027.md): Boeing 747 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Sep 21, 2014 · N669US · No damage
  > Turbine Overhaul Service's aggressive grit blasting and incomplete masking of the blade root neck that allowed the no grit blast area being exposed during the overhaul of the blade resulting in blasting media being embedded in the blade root from which a…
- [NTSB DCA14CA157](https://openairdocs.org/ntsb/DCA14CA157.md): Boeing 767 322 · Reykjavik, Iceland · Accident · Serious injuries · Data collection · Final report · Aug 18, 2014 · N666UA · No damage
  > The capabilities of the beverage cart were exceeded which resulted in the cart toppling over and fracturing the flight attendant's foot.
- [NTSB DCA14CA083](https://openairdocs.org/ntsb/DCA14CA083.md): Airbus A330 323 · Seattle (Pacific Ocean) · Accident · Serious injuries · Data collection · Final report · Mar 17, 2014 · N803NW · No damage
  > the flight attendant inadvertently tripping over a passenger's foot that was protruding into the aisle, which resulted in the flight attendant fracturing her foot.
- [NTSB DCA14WA042](https://openairdocs.org/ntsb/DCA14WA042.md): Boeing 767 332 · Buenos Aires, Argentina · Incident · No injuries · Foreign investigation · Jan 21, 2014 · N191DN · Minor damage
  > The Direccion Nacional de Aviacion Civil e Infraestructura Aeronautica (DINACIA) has notified the NTSB of an incident involving Boeing 767-300, which occurred on January 21, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the DINACIA…
- [NTSB DCA14WA019](https://openairdocs.org/ntsb/DCA14WA019.md): Boeing 767 - 300ER · Madrid, Spain · Accident · No injuries · Foreign investigation · Dec 5, 2013 · N182DN · Substantial damage
- [NTSB DCA14CA014](https://openairdocs.org/ntsb/DCA14CA014.md): Boeing 767 322 · Houston, TX · Accident · Serious injuries · Data collection · Final report · Oct 18, 2013 · N665UA · No damage
  > The airplane's inadvertent encounter with clear air turbulence during cruise flight, which resulted in a serious injury to a flight attendant.
- [NTSB WPR13LA131](https://openairdocs.org/ntsb/WPR13LA131.md): Boeing 747-422 · Pacific Ocean, A1 · Accident · Serious injuries · Limited investigation · Final report · Feb 19, 2013 · N174UA · No damage
  > The flight’s encounter with moderate clear air turbulence while en route, which resulted in a serious injury to a flight attendant. Contributing to the accident was the lack of communication equipment in the rest compartment, which, if installed, could have…
- [NTSB ENG13WA010](https://openairdocs.org/ntsb/ENG13WA010.md): Boeing 777-222 · Seoul, South Korea, South Korea · Incident · No injuries · Foreign investigation · Dec 31, 2012 · N206UA · No damage
  > On December 31, 2012, a United Airlines Boeing 777, registration number N206UA, experienced a No.1 (left)engine failure while passing through flight level (FL)250. The crew received an “ENG FAIL” Engine Indicating and Crew Alerting (EICAS) message. The Flight…

Next page: https://openairdocs.org/ntsb.md?engine=52119&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52119'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52119

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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.
