# NTSB investigations: GE CT7-SER series: 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 NYC05IA093](https://openairdocs.org/ntsb/NYC05IA093.md): Saab-Scania 340A · Dulles, VA · Incident · No injuries · Incident investigation · Final report · Jun 9, 2005 · N40SZ · Minor damage
  > Failure of the right main landing gear to extend and lock for undetermined reasons, which resulted in the right main landing gear collapsing during touchdown.
- [NTSB CHI02IA275](https://openairdocs.org/ntsb/CHI02IA275.md): Saab-Scania 340A · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Sep 4, 2002 · N110XJ · No damage
  > A malfunctioning yaw damper.
- [NTSB FTW98IA130](https://openairdocs.org/ntsb/FTW98IA130.md): Saab-Scania 340B · Lawton, OK · Incident · No injuries · Incident investigation · Final report · Feb 22, 1998 · N396AE · Minor damage
  > the collapse of the left main landing gear during landing roll as result of a shorted weight-on-wheels relay. Contributing factors were the insufficient information available to the flight crew in the company's quick reference handbook (QRH), and the…
- [NTSB FTW97IA305](https://openairdocs.org/ntsb/FTW97IA305.md): Saab-Scania 340B · Lafayette, LA · Incident · No injuries · Incident investigation · Final report · Aug 12, 1997 · N313AE · Minor damage
  > The failure of the AC generator due to the failure of the anti-drive end bearing.
- [NTSB ATL92IA169](https://openairdocs.org/ntsb/ATL92IA169.md): Saab-Scania 340B · Chattanooga, TN · Incident · No injuries · Incident investigation · Final report · Aug 31, 1992 · N245AE · No damage
  > The failure and subsequent seizure of the reduction gear box, and the failure of the propeller control unit as a result of contaminated oil supply which is shared with the gear box.

## 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 ('30031')
    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=30031&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.