# NTSB investigations: Bulkheads (main fuselage)

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 DCA25LA061](https://openairdocs.org/ntsb/DCA25LA061.md): Lockheed 382G-44K-30 · St. Mary's, AK · Accident · No injuries · Class 3 · Limited · Final report · Dec 18, 2024 · N403LC · Substantial damage
  > The fatigue failure of the forward pressure bulkhead canted web that originated from stress corrosion cracking areas. Contributing to the failure were inspection procedures and intervals inadequate to identify the fatigue cracks.
- [NTSB ENG24LA012](https://openairdocs.org/ntsb/ENG24LA012.md): British Aerospace BAE 146 Series 200A · Missoula, MT · Incident · Class 3 · Limited · Final report · Mar 1, 2024 · N474NA · 2 aircraft · Minor damage
  > The use of a new long term fire retardant with a chemical composition incompatible with the retardant previously in use for the integration-operational field evaluation without adequate testing and qualification.
- [NTSB WPR16LA139](https://openairdocs.org/ntsb/WPR16LA139.md): Cessna 140 · Salinas, CA · Accident · No injuries · Limited investigation · Final report · Jul 8, 2016 · N89965 · Substantial damage
  > The fatigue failure of a bulkhead-skin joint that supported the main landing gear leg, which resulted in the collapse of the left main landing gear. Contributing to the failure were the non-original structural configuration of the 60-year-old airplane and the…
- [NTSB DCA16LA096](https://openairdocs.org/ntsb/DCA16LA096.md): Lockheed 382G · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Feb 12, 2016 · N401LC · Substantial damage
  > The fatigue failure of the forward pressure bulkhead canted web that originated from stress corrosion cracking areas. Contributing to the failure were inspection procedures and intervals inadequate to identify the crack.
- [NTSB WPR14LA134](https://openairdocs.org/ntsb/WPR14LA134.md): Cessna 170B · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2014 · N2252D · Substantial damage
  > Corrosion of the bulkhead assembly in the left main landing gearbox area, which resulted in the structural failure of the bulkhead and the subsequent landing gear collapse.
- [NTSB CEN13CA289](https://openairdocs.org/ntsb/CEN13CA289.md): Cessna 172S · Ankeny, IA · Accident · No injuries · Data collection · Final report · May 14, 2013 · N947SP · Substantial damage
  > The student pilot's improper flare which resulted in a hard landing.
- [NTSB ANC08CA066](https://openairdocs.org/ntsb/ANC08CA066.md): de Havilland DHC-2 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · May 11, 2008 · N323KT · Substantial damage
  > The pilot's inadvertent activation of the main landing gear brakes during the recovery from a bounced landing.
- [NTSB NYC79AA106](https://openairdocs.org/ntsb/NYC79AA106.md): Mcdonnell Douglas DC9 · Boston, MA · Accident · Minor injuries · Closed · Sep 17, 1979 · CF-TLU · Substantial damage
  > a fatigue fracture of the aft cabin pressure bulkhead which resulted in a rapid decompression of the aircraft's cabin area. This fracture initiated from a crack below the aft bulkhead access door which was discernible on the X-rays taken during the aircraft's…

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01035312'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01035312/cases

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