# NTSB investigations: Pratt & Whitney JT9D-3A, 1984

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 SEA84IA233](https://openairdocs.org/ntsb/SEA84IA233.md): Boeing 747-200B · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Sep 29, 1984 · N613US · Minor damage
  > During climbout, passing thru 4000 ft MSL, the acft experienced a failure of the #2 engine. The crew reported hearing an explosive sound followed by a drop in fuel flow with N1 speed decreasing to 30% RPM on the #2 engine. The acft returned to Seattle for an…
- [NTSB CHI84IA196](https://openairdocs.org/ntsb/CHI84IA196.md): McDonnell Douglas DC-10-40 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · May 17, 1984 · N150US · Minor damage
  > During climb from FL330 to FL370 the 1st officer saw sparks and smoke coming from the left side panel under his glare shield. Cockpit lights were turned off and smoke stopped. Flt returned to Minneapolis and landed without incident. Inspection of the acft…

## 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 year(c."eventDate") = 1984
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52050'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52050&year=1984

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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.