# Final NTSB investigations: CFM International CFM56-7B24/3 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 DCA25LA126](https://openairdocs.org/ntsb/DCA25LA126.md): Boeing 737-7H4 · Hacienda Heights, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 14, 2025 · N939WN · No damage
  > The airplane’s encounter with moderate turbulence during descent, which resulted in serious injury to a flight attendant.
- [NTSB DCA24LA095](https://openairdocs.org/ntsb/DCA24LA095.md): Boeing 737-823 · Dallas, TX · Incident · No injuries · Class 2 · Limited · Final report · Feb 11, 2024 · N991AN · Minor damage
  > Improper maintenance due to human error during a braking system modification diminished braking performance. Contributing to the diminished braking performance was the lack of a functional check to verify the flexible hydraulic hoses and transducer wiring…
- [NTSB DCA23LA086](https://openairdocs.org/ntsb/DCA23LA086.md): Boeing 737 · Denver, CO · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 30, 2022 · N946WN · No damage
  > The flight’s encounter with mechanical turbulence.
- [NTSB DCA21LA137](https://openairdocs.org/ntsb/DCA21LA137.md): Boeing 737-823 · Dallas/Fort Worth International Airport, TX · Accident · No injuries · Class 4 · Limited · Final report · May 28, 2021 · N834NN · Substantial damage
  > The captain’s decision to adjust his flight instruments while taxiing the airplane.
- [NTSB DCA19CA075](https://openairdocs.org/ntsb/DCA19CA075.md): Boeing 737 · Bluefields, Nicaragua · Accident · Serious injuries · Class 4 · Data collection · Final report · Feb 5, 2019 · N852NN · No damage
  > An inadvertent encounter with clear air turbulence.
- [NTSB DCA19CA038](https://openairdocs.org/ntsb/DCA19CA038.md): Boeing 737 · Chicago, IL · Accident · Serious injuries · Class 4 · Data collection · Final report · Dec 3, 2018 · N868NN · No damage
  > an object which fell from an overhead bin struck a flight attendant resulting in a serious injury.
- [NTSB DCA18CA001](https://openairdocs.org/ntsb/DCA18CA001.md): Boeing 737 7H4 · Chicago, IL · Accident · No injuries · Data collection · Final report · Oct 2, 2017 · N930WN · Substantial damage
  > the mechanical failure of the tugs fuel governor, which made it difficult for the ramp agent to stop the tug. Contributing to the accident was the lack of guidance on how ground personnel were to handle vehicle malfunctions.
- [NTSB ERA11CA511](https://openairdocs.org/ntsb/ERA11CA511.md): Boeing 737-823 · Miami, FL · Accident · Serious injuries · Data collection · Final report · Sep 29, 2011 · N804NN · No damage
  > The in-flight encounter with clear air turbulence, which resulted in an injury to a cabin attendant.
- [NTSB DCA11CA116](https://openairdocs.org/ntsb/DCA11CA116.md): Boeing 737 7H4 · Cape Coral, FL · Accident · Serious injuries · Data collection · Final report · Sep 6, 2011 · N936WN · No damage
  > An encounter with convective turbulence during the descent.
- [NTSB DCA11FA050](https://openairdocs.org/ntsb/DCA11FA050.md): Boeing 737-823 · Los Angeles, CA · Accident · No injuries · Field investigation · Final report · Jan 3, 2011 · N831NN · Substantial damage
  > the early rotation of the airplane to an angle at which the fuselage contacted the runway. Contributing to early rotation was the Captain’s reaction to the erroneous V1 automated callout, likely assuming that the airplane was at or close to the correct Vr at…

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13074'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=13074&status=final

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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.