# NTSB investigations: Raytheon A36: Aircraft maintenance event

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 CEN12LA558](https://openairdocs.org/ntsb/CEN12LA558.md): Beech A36 · Ruleton, KS · Accident · No injuries · Limited investigation · Final report · Aug 17, 2012 · N262EA · Substantial damage
  > The improper installation of the wastegate controller O-ring, which resulted in a partial loss of engine power.
- [NTSB WPR09LA197](https://openairdocs.org/ntsb/WPR09LA197.md): Raytheon A36 · Lopez Island, WA · Accident · No injuries · Limited investigation · Final report · Apr 16, 2009 · N464TJ · Substantial damage
  > A loss of engine power during cruise flight due to oil starvation. The oil starvation event was due to the failure of maintenance personnel to tighten the aft mounting nuts for the newly installed propeller governor and the pilot’s failure to secure the oil…

## 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.aircraft_model_code IN ('7150001', '7150000')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '040' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/040/sequence?model=7150001

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