# NTSB investigations: AiResearch 331 SER 605HP: Airframe/component/system failure/malfunction

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 LAX94LA163](https://openairdocs.org/ntsb/LAX94LA163.md): Rockwell 681 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Mar 13, 1994 · N78CH · Substantial damage
  > the failure of the hydraulic and nitrogen system pressure lines, due to an inadequate maintenance inspection program, which failed to detect the corrosion condition of the lines.
- [NTSB NYC85LA074](https://openairdocs.org/ntsb/NYC85LA074.md): Aero Commander 680V · Kingstown, RI · Accident · No injuries · Limited investigation · Final report · Mar 6, 1985 · N111SK · Substantial damage
  > While en route at 12,500 ft, the plt noted a slight shudder & heard a 'wind noise' then the gear unsafe light illuminated. The plt slowed the acft to 135 KTS & tried recycling the gear, but the gear only dropped to the point where it would twist. All attempts…
- [NTSB FTW85IA028](https://openairdocs.org/ntsb/FTW85IA028.md): Swearingen SA226TC · Tulsa, OK · Incident · No injuries · Incident investigation · Final report · Oct 26, 1984 · N511SS · Minor damage
  > During cruise, the crew experienced a loss of hydraulic pressure & smoke in the cockpit, then donned their oxygen masks. They used the emerg gear extension system & made a safe emerg landing. An exam revealed a cracked 2000 PSI aluminum hydraulic line had…

## 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 ('01502')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01502&occurrence=130

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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.