# NTSB investigations: Pratt & Whitney JT8D-9 series, 1989

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 ATL89LA172](https://openairdocs.org/ntsb/ATL89LA172.md): Boeing 737-291 · Atlanta, GA · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 1989 · N7375F · No damage
  > Failure of the ground employee to follow normal safety procedures. His lack of familiarity with the operation was a related factor.
- [NTSB DCA89MA035](https://openairdocs.org/ntsb/DCA89MA035.md): McDonnell Douglas DC-9-33F · Saginaw, TX · Accident · 2 fatal · Class 1 · Major · Final report · Mar 18, 1989 · N931F · Destroyed
  > The loss of control of the airplane for undetermined reasons following the inflight opening of the improperly latched cargo door. Contributing to the accident were: inadequate procedures used by evergreen airlines and approved by the FAA for preflight…
- [NTSB FTW89IA067](https://openairdocs.org/ntsb/FTW89IA067.md): Boeing 727-232 · Greenville, TX · Incident · Minor injuries · Incident investigation · Final report · Mar 14, 1989 · N511DA · No damage
  > False fire warning, which resulted from (1) contaminants on hardware at one end of the fire detection loop; and (2) an electrical short on both elements of the loop.
- [NTSB CHI89MA046](https://openairdocs.org/ntsb/CHI89MA046.md): Boeing 737-201 · Chicago, IL · Accident · No injuries · Major investigation · Final report · Jan 20, 1989 · N242US · Substantial damage
  > Previous damage to the aft cone (engine mounting) bolt, which resulted in mismatched surfaces between the bolt and isolation mount, loss of torque during cyclic loading of the mounting bolt, and subsequent fatigue failure of the bolt.

## 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") = 1989
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52048'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52048&year=1989

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