# NTSB investigations: Cessna 402B: Main gear collapsed

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 DEN07LA156](https://openairdocs.org/ntsb/DEN07LA156.md): Cessna 402B · Hobbs, NM · Accident · No injuries · Limited investigation · Final report · Sep 10, 2007 · N402BF · Substantial damage
  > The failure of the left main landing gear down lock due to overload causing the main landing gear to collapse.
- [NTSB SEA03LA133](https://openairdocs.org/ntsb/SEA03LA133.md): Cessna 402 B · Lakeview, OR · Accident · No injuries · Limited investigation · Final report · Jul 8, 2003 · N98635 · Substantial damage
  > Failure of the landing gear shaft roll pin resulting in a main gear collapse during the taxi phase of operation.
- [NTSB CHI02LA210](https://openairdocs.org/ntsb/CHI02LA210.md): Cessna 402B · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Jul 24, 2002 · N22PB · Substantial damage
  > The landing gear collapsed for undetermined reasons.
- [NTSB MIA98LA123](https://openairdocs.org/ntsb/MIA98LA123.md): Cessna 402B · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Apr 3, 1998 · N400AR · Substantial damage
  > the pilot allowed the airplane to improperly touchdown on the right main landing gear, resulting in the gear collapsing, and subsequent impact with runway visual range equipment.
- [NTSB MIA88LA189](https://openairdocs.org/ntsb/MIA88LA189.md): Cessna 402B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jun 13, 1988 · N7628Q · Substantial damage
  > The right main gear collapsed on touchdown. An exam of the gear revealed that a fork bolt had been improperly adjusted. The facility that performed the last maintenance denied adjusting the bolt.
- [NTSB ANC88IA013](https://openairdocs.org/ntsb/ANC88IA013.md): Cessna 402B · Cordova, AK · Incident · No injuries · Incident investigation · Final report · Oct 26, 1987 · N5718M · Minor damage
  > The company maintenance personnel were aware of a shimmy problem but they thought is was only worn bushings. The maintenance people stated they inspected the part but found no problem. The pilot-in-command also stated he found no problem upon visually…
- [NTSB ANC82DA047](https://openairdocs.org/ntsb/ANC82DA047.md): Cessna 402B · Grayling, AK · Accident · No injuries · Final report · Jun 9, 1982 · N5718M · Substantial damage
  > The left main landing gear collapsed during landing rollout. Part of the landing gear system failed in shear overstress.

## 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 ('207590P')
    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" = 191))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=207590P&occurrence=191

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