# NTSB investigations: Pratt & Whitney JT9D series: Airframe/component/system failure/malfunction

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 SEA04IA010](https://openairdocs.org/ntsb/SEA04IA010.md): Boeing 747-100 · Lyon, France · Incident · No injuries · Incident investigation · Final report · Oct 2, 2003 · N479EV · Minor damage
  > An undetermined malfunction in an aircraft system while in cruise flight leading to a fire in the engine number four B Loop portion (Card A16) of the fire detection controls cardfile.
- [NTSB CHI00IA152](https://openairdocs.org/ntsb/CHI00IA152.md): Boeing 767-222 · Lafayette, IN · Incident · No injuries · Incident investigation · Final report · Jun 7, 2000 · N603UA · No damage
  > The blocked drain lines in the canted pressure deck and the frozen aileron cable.
- [NTSB MIA97IA147](https://openairdocs.org/ntsb/MIA97IA147.md): Boeing 747-2R7F · Miami, FL · Incident · No injuries · Incident investigation · Final report · Apr 19, 1997 · N639FE · Minor damage
  > disbonding and separation of the right inboard wing fixed trailing edge panel during cruise flight, which resulted in damage to the inboard fore flap and inboard mid flap, and a subsequent precautionary landing at the departure airport.
- [NTSB IAD96IA098](https://openairdocs.org/ntsb/IAD96IA098.md): Boeing 747-136 · Jamaica, NY · Incident · No injuries · Incident investigation · Final report · Jun 18, 1996 · N606FF · Minor damage
  > failure of the constant speed drive (CSD) to disconnect from the generator. Contributing to the cause was the failure of the FAA approved overhaul facility to follow the manufacturer's overhaul manual.
- [NTSB NYC93IA184](https://openairdocs.org/ntsb/NYC93IA184.md): Boeing 747-200 · New York, NY · Incident · No injuries · Incident investigation · Final report · Sep 11, 1993 · N17025 · Minor damage
  > The improper installation of the fairing by company maintenance personnel, resulting in the infligh separation of the fairing in flight.
- [NTSB DEN84IA041](https://openairdocs.org/ntsb/DEN84IA041.md): Boeing 767 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 9, 1983 · N613UA · No damage
  > On takeoff roll the no 3 wheel on the right main landing gear fell off the acft. The acft returned and landed without further incident. The wheel bearing was found faileddue to cosmoline contamination.

## 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 ('52054')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52054&occurrence=130

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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.
