# NTSB investigations: Pratt & Whitney PW4000 series: Powerplant sys/comp malf/fail

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.

## Latest cases

- [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 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 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 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 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 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…

## 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '340'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/340/cases?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.