# Major NTSB investigations: CFM International CFM56 series

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 DCA18MA142](https://openairdocs.org/ntsb/DCA18MA142.md): Boeing 737 7H4 · Philadelphia, PA · Accident · 1 fatal · Class 1 · Major · Final report · Apr 17, 2018 · N772SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 13, which resulted in the fan blade separating in flight and impacting the engine fan case at a location that was critical to the structural integrity and performance of the fan cowl structure. This…
- [NTSB DCA14MA081](https://openairdocs.org/ntsb/DCA14MA081.md): Airbus A320 - 214 · Philadelphia, PA · Accident · No injuries · Class 2 · Major · Final report · Mar 13, 2014 · N113UW · Substantial damage
  > the captain's decision to reject the takeoff after the airplane had rotated. Contributing to the accident was the flight crew's failure to follow standard operating procedures by not verifying that the airplane's flight management computer was properly…
- [NTSB DCA09MA026](https://openairdocs.org/ntsb/DCA09MA026.md): Airbus A320 · Weehawken, NJ · Accident · Serious injuries · Class 1 · Major · Final report · Jan 15, 2009 · N106US · Substantial damage
  > The ingestion of large birds into each engine, which resulted in an almost total loss of thrust in both engines and the subsequent ditching on the Hudson River. Contributing to the fuselage damage and resulting unavailability of the aft slide/rafts were (1)…
- [NTSB DCA09MA021](https://openairdocs.org/ntsb/DCA09MA021.md): Boeing 737-524 · Denver, CO · Accident · Serious injuries · Class 1 · Major · Final report · Dec 21, 2008 · N18611 · Substantial damage
  > The captain’s cessation of right rudder input, which was needed to maintain directional control of the airplane, about 4 seconds before the excursion, when the airplane encountered a strong and gusty crosswind that exceeded the captain’s training and…
- [NTSB CHI05MA111](https://openairdocs.org/ntsb/CHI05MA111.md): McDonnell Douglas DC-9-51 · Minneapolis, MN · Accident · Serious injuries · Major investigation · Final report · May 11, 2005 · N763NC · 2 aircraft · Substantial damage
  > the Captain of the other aircraft's decision to shutdown the left engine during taxi with no hydraulic pressure on the right side hydraulic system to effectively operate the brakes, steering, or thrust reversers. A factor was the fatigue fracture of the…
- [NTSB FTW03MA160](https://openairdocs.org/ntsb/FTW03MA160.md): Boeing 737-300 · Amarillo, TX · Accident · No injuries · Major investigation · Final report · May 25, 2003 · N343SW · Substantial damage
  > the flight crew's failure to align the airplane's ground track with the runway centerline before touchdown and the flight crew's failure to maintain directional control of the airplane after touchdown. Contributing to the accident was the flight crew's…
- [NTSB DCA89MA034](https://openairdocs.org/ntsb/DCA89MA034.md): Boeing 737-300 · Oakland, CA · Accident · No injuries · Major investigation · Final report · Mar 17, 1989 · N12318 · Substantial damage
  > Ignition of puddled fuel from a blocked combustor drain line, and a slow start during which fuel was misted and blown out the tail pipe. An existing tailwind at the gate allowed the fuel to wet the tail surfaces and be ignited during the APU start. The…

## 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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=13802&major=1

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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.