# NTSB investigations: Boeing 737-3B7: 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 NYC06FA184](https://openairdocs.org/ntsb/NYC06FA184.md): Boeing 737-300 · Pittsburgh, PA · Accident · Minor injuries · Field investigation · Final report · Jul 27, 2006 · N529AU · Substantial damage
  > The airplane tug driver's inadvertent movement of the tug gear shift lever from forward to reverse, which resulted in the nose landing gear collapse. Contributing to the accident was the defective gear shift lever.
- [NTSB MIA95IA214](https://openairdocs.org/ntsb/MIA95IA214.md): Boeing 737-3B7 · Fort Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Aug 25, 1995 · N373US · No damage
  > Low electrical resistance of the autopilot aileron actuator for unspecified reasons which resulted in an uncommanded roll to the right.
- [NTSB MIA95IA194](https://openairdocs.org/ntsb/MIA95IA194.md): Boeing 737-3B7 · Charlotte, NC · Incident · No injuries · Incident investigation · Final report · Aug 5, 1995 · N396US · No damage
  > Improper installation of the 'a' system flight control computer by company maintenance personnel, which resulted in pin connector(s) being pushed loose and subsequent malfunction of the autopilot.
- [NTSB MIA95IA187](https://openairdocs.org/ntsb/MIA95IA187.md): Boeing 737-3B7 · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Jul 18, 1995 · N390US · No damage
  > Contamination of the wiring harness and electrical connectors to the E-1-2 and E-1-3 shelf disconnect brackets in the electronics compartment, which resulted in an electrical fault and an uncommanded roll malfunction of the autopilot. A factor relating to the…
- [NTSB CHI93IA372](https://openairdocs.org/ntsb/CHI93IA372.md): Boeing 737-3B7 · Indianapolis, IN · Incident · No injuries · Incident investigation · Final report · Sep 21, 1993 · N527AU · No damage
  > an undetermined problem which resulted in the physical impairment of flight attendants, passengers and the first officer.

## 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 ('138447F')
    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?model=138447F&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.
