# NTSB investigations: Pratt & Whitney R-2800 series: 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 MIA05FA040](https://openairdocs.org/ntsb/MIA05FA040.md): Convair Div. of Gen. Dynamics 340 · N. Miami Beach, FL · Accident · No injuries · Field investigation · Final report · Dec 4, 2004 · N41626 · Substantial damage
  > The improper maintenance of the left engine by company maintenance personnel (failure to flush metal from the oil system and failure to properly preserve the engine for storage) resulting in a total failure of the master rod bearing and contamination of the…
- [NTSB CHI93DEE02](https://openairdocs.org/ntsb/CHI93DEE02.md): Douglas B-26B · Kankakee, IL · Accident · Minor injuries · Final report · Jun 27, 1993 · N8036E · Substantial damage
  > the failure of the piston assembly in the number ten cylinder of the right engine. A factor associated with the accident was the inoperative propeller feathering system for the right engine.
- [NTSB ANC83FA080](https://openairdocs.org/ntsb/ANC83FA080.md): Curtiss-Wright C-46F · King Salmon, AK · Accident · No injuries · Field investigation · Final report · May 21, 1983 · N1822M · Substantial damage
  > The coplt reported that the acft had been in level cruise flt aprx 1 min when they felt a vibration, followed by a loud bang. The aircrew saw fire & smoke coming from the left eng, so they shut down the eng & feathered the propeller. The plt also activated…

## 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 ('52026')
    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=52026&occurrence=351

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