# NTSB investigations: AiResearch TPE331-5&6SER: Loss of engine power(total) - mech failure/malf

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 ENG07IA009](https://openairdocs.org/ntsb/ENG07IA009.md): Mitsubishi MU-2B-36 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jan 12, 2007 · N950MA · Minor damage
  > Complete loss of No. 2 engine power due to a partial rim failure of the 2nd stage turbine wheel, resulting in No. 2 engine shutdown and turbine debris exiting the side of the engine. The wheel failure mechanism could not be determined due to missing turbine…
- [NTSB LAX96LA196](https://openairdocs.org/ntsb/LAX96LA196.md): Ayres S2R-G6 · Williams, CA · Accident · No injuries · Limited investigation · Final report · May 11, 1996 · N447AT · Substantial damage
  > The pilot's failure to maintain directional control during a rejected takeoff, and the catastrophic failure of the engine's turbine section due to an improper overhaul procedure. A factor in the accident was the close proximity of the drainage ditch to the…

## 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 ('01515')
    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" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01515&occurrence=351

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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.