# NTSB investigations: Wright R-1820 series: Loss of engine power(partial) - 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 NYC07LA107](https://openairdocs.org/ntsb/NYC07LA107.md): Grumman S-2B · Cherry Point, NC · Accident · Serious injuries · Limited investigation · Final report · May 3, 2007 · N5234A · Substantial damage
  > The flightcrew's failure to comply with the published emergency procedure following a loss of engine power on the right engine. Contributing to the accident was the failure of a magneto in the right engine.
- [NTSB LAX05LA165](https://openairdocs.org/ntsb/LAX05LA165.md): Grumman G-164C · Willows, CA · Accident · No injuries · Limited investigation · Final report · May 8, 2005 · N6535K · Substantial damage
  > the loss of engine power due to the fractured piston pin boss on the number 5 cylinder.
- [NTSB MIA95LA138](https://openairdocs.org/ntsb/MIA95LA138.md): North American T-28A · Arcadia, FL · Accident · No injuries · Limited investigation · Final report · May 28, 1995 · N28FE · Substantial damage
  > Loss of engine power due to separation of 3 connecting rods from the master rod for undetermined reasons(s).
- [NTSB MIA93LA054](https://openairdocs.org/ntsb/MIA93LA054.md): North American T-28A · Plantation, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 1993 · N203CB · Substantial damage
  > Failure of the master rod main bearing which resulted in loss of engine power and a subsequent forced landing.

## 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 ('67020')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=67020&occurrence=352

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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.
