# Final 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.

Page 1 of 5 · 229 cases

## Latest cases

- [NTSB DCA25LA306](https://openairdocs.org/ntsb/DCA25LA306.md): Airbus Industrie A320-212 · Chase City, VA · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 28, 2025 · N373NW · No damage
  > The abrupt maneuver required to comply with a traffic alert and collision avoidance system resolution advisory during descent.
- [NTSB DCA25LA240](https://openairdocs.org/ntsb/DCA25LA240.md): Airbus Industrie A321-211 · Miami, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 22, 2025 · N189UW · No damage
  > The unexpected encounter with a rapidly developing convective cell during climb resulting in convectively induced turbulence on a dark moon-less evening.
- [NTSB DCA25LA190](https://openairdocs.org/ntsb/DCA25LA190.md): Boeing 737-7H4 · Tahlequah, OK · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 20, 2025 · N461WN · No damage
  > The airplane’s encounter with moderate turbulence during descent.
- [NTSB DCA25LA117](https://openairdocs.org/ntsb/DCA25LA117.md): Boeing 737-832 · Seattle, WA · Accident · No injuries · Class 4 · Limited · Final report · Feb 5, 2025 · N3737C · 2 aircraft · Substantial damage
  > The Japan Airlines flight crew’s failure to maintain adequate clearance from the parked Delta Air Lines aircraft while taxiing in congested ramp conditions.
- [NTSB DCA24LA256](https://openairdocs.org/ntsb/DCA24LA256.md): Boeing 737 · Severn, MD · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 7, 2024 · N226WN · No damage
  > A passenger’s failure to comply with crew member instructions to remain seated with seatbelt fastened.
- [NTSB DCA24LA245](https://openairdocs.org/ntsb/DCA24LA245.md): Boeing 737 · Salt Lake City, UT · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2024 · N853DN · 2 aircraft · Minor damage
  > Delta Air Lines flight 2046 flight crew's incorrect evaluation of the clearance between their airplane and Delta Air Lines flight 2046 as they turned onto a perpendicular taxiway.
- [NTSB DCA24LA124](https://openairdocs.org/ntsb/DCA24LA124.md): Boeing 737 · Aylett, VA · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 9, 2024 · N411WN · No damage
  > An encounter with clear air turbulence during descent.
- [NTSB DCA23LA170](https://openairdocs.org/ntsb/DCA23LA170.md): Boeing 737 · Rushville, IN · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 11, 2023 · N944AN · No damage
  > An encounter with clear air turbulence during descent.
- [NTSB DCA23LA067](https://openairdocs.org/ntsb/DCA23LA067.md): Airbus A320 · Red Oak, IA · Accident · No injuries · Class 4 · Limited · Final report · Nov 20, 2022 · N330NW · Substantial damage
  > Multiple bird strikes during descent.
- [NTSB DCA22LA188](https://openairdocs.org/ntsb/DCA22LA188.md): Boeing 737-824 · Pharisburg, OH · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 19, 2022 · N73270 · No damage
  > The airplane’s inadvertent encounter with convective turbulence.
- [NTSB DCA22LA151](https://openairdocs.org/ntsb/DCA22LA151.md): Boeing 737-700 · Santa Ana, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 2, 2022 · N480WN · No damage
  > A flight attendant received a serious injury for undetermined reasons during a firm landing.
- [NTSB ENG22FA009](https://openairdocs.org/ntsb/ENG22FA009.md): Boeing 737-8K2 · Las Vegas, NV · Incident · No injuries · Class 3 · Field · Final report · Feb 4, 2022 · N817SY · Minor damage
  > The fatigue failure of the right main landing gear initiated by liquid metal embrittlement by cadmium at arc burn locations in the outer cylinder tooling hole area. The arc burns were likely the result of operator error during stylus cadmium plating…
- [NTSB DCA19CA137](https://openairdocs.org/ntsb/DCA19CA137.md): Boeing 737 · Fort Meyers, FL · Accident · Serious injuries · Class 4 · Data collection · Final report · Apr 12, 2019 · N31412 · No damage
  > missing attach screws on the aft galley oven, which allowed it to become dislodged landing, injuring a flight attendant.
- [NTSB DCA19CA105](https://openairdocs.org/ntsb/DCA19CA105.md): Boeing 737 · Atlanta, GA · Accident · No injuries · Class 4 · Data collection · Final report · Mar 11, 2019 · N3756 · 2 aircraft · Minor damage
  > failure of the B737 captain to maintain separation with the airplane stopped on the taxiway.
- [NTSB ENG19IA013](https://openairdocs.org/ntsb/ENG19IA013.md): Boeing 737 · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Feb 21, 2019 · N30401 · No damage
  > A No. 1 (left) engine high pressure compressor stage 2 blade separation. The blade separated due to a mixed-mode fatigue crack that originated on a blade disk post and was initiated by a misaligned (out-of-schedule) high pressure compressor stage 1 variable…
- [NTSB DCA19CA091](https://openairdocs.org/ntsb/DCA19CA091.md): Boeing 737 · Franklin, TN · Accident · Serious injuries · Class 4 · Data collection · Final report · Feb 18, 2019 · N3730B · No damage
  > an encounter with convective turbulence during descent.
- [NTSB DCA19IA036](https://openairdocs.org/ntsb/DCA19IA036.md): Boeing 737 · Burbank, CA · Incident · No injuries · Class 3 · Incident · Final report · Dec 6, 2018 · N752SW · Minor damage
  > (1) The flight crewmembers’ decision, due to plan continuation bias, to continue the approach despite indications of windshear and a higher-than-expected tailwind and (2) the flight crew’s misperception of the airplane’s touchdown point, which was farther…
- [NTSB DCA19CA006](https://openairdocs.org/ntsb/DCA19CA006.md): Boeing 737 · San Jose, CA · Accident · Serious injuries · Class 4 · Data collection · Final report · Oct 11, 2018 · N734SA · No damage
  > A passenger falling while returning to her seat which resulted in a serious injury.
- [NTSB DCA18CA316](https://openairdocs.org/ntsb/DCA18CA316.md): Airbus A319 · West Palm Beach, FL · Accident · Serious injuries · Class 4 · Data collection · Final report · Jul 23, 2018 · N328NB · No damage
  > An inadvertent encounter with convective turbulence.
- [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 DCA18CA074](https://openairdocs.org/ntsb/DCA18CA074.md): Boeing 737 7H4 · Los Angeles, CA · Accident · Serious injuries · Data collection · Final report · Nov 19, 2017 · N740SW · No damage
  > The provisioning agent's lack of situational awareness while stepping from the airplane to the provisioning van. Contributing to the accident was the provisioning vans failed switch.
- [NTSB DCA17CA181](https://openairdocs.org/ntsb/DCA17CA181.md): Boeing 737 832 · Queens, NY · Accident · No injuries · Data collection · Final report · Aug 15, 2017 · N377DA · 2 aircraft · Minor damage
  > the Delta B737 captain's failure to maintain proper clearance between his airplane and the stopped American B757.
- [NTSB ENG17IA027](https://openairdocs.org/ntsb/ENG17IA027.md): Boeing 737 7H4 · Washington, DC · Incident · No injuries · Incident investigation · Final report · Jun 3, 2017 · N765SW · Minor damage
  > The failure the control alternator gearshaft, which disconnected the accessory gearbox from the rest of the engine and resulted in an uncommanded in-flight shutdown of the left engine and subsequent flight diversion. The control alternator gearshaft failed…
- [NTSB DCA17CA087](https://openairdocs.org/ntsb/DCA17CA087.md): Airbus A319 114 · Los Angeles, CA · Accident · Serious injuries · Data collection · Final report · Mar 6, 2017 · N369NB · No damage
  > malfunction of the parking brake electrical control valve that resulted in a sudden stop.
- [NTSB DCA17CA042](https://openairdocs.org/ntsb/DCA17CA042.md): Boeing 737 824 · Denver, CO · Accident · Serious injuries · Data collection · Final report · Dec 14, 2016 · N24202 · No damage
  > An inadvertent encounter with mountain wave turbulence.
- [NTSB DCA16FA217](https://openairdocs.org/ntsb/DCA16FA217.md): Boeing 737-700 · Pensacola, FL · Accident · No injuries · Field investigation · Final report · Aug 27, 2016 · N766SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 23, which resulted in the fan blade separating in flight and impacting the fan case. This impact caused the fan blade to fracture into fragments that traveled farther than expected into the inlet,…
- [NTSB DCA16CA214](https://openairdocs.org/ntsb/DCA16CA214.md): Boeing 737 924 · Waco, TX · Accident · Serious injuries · Data collection · Final report · Aug 17, 2016 · N37408 · No damage
  > an encounter with convective turbulence.
- [NTSB DCA16CA211](https://openairdocs.org/ntsb/DCA16CA211.md): Boeing 737 832 · New York, NY · Accident · No injuries · Data collection · Final report · Aug 10, 2016 · N3762Y · Substantial damage
  > inadvertent collision by ground service vehicle.
- [NTSB DCA16CA207](https://openairdocs.org/ntsb/DCA16CA207.md): Boeing 737 3H4 · Baltimore, MD · Accident · No injuries · Data collection · Final report · Aug 5, 2016 · N368SW · Substantial damage
  > the tug operators excessive speed during pushback.
- [NTSB DCA16IA200](https://openairdocs.org/ntsb/DCA16IA200.md): Airbus Industrie A320 211 · Rapid City, SD · Incident · No injuries · Incident investigation · Final report · Jul 8, 2016 · N333NW · No damage
  > The flight crew's misidentification of the desired landing runway due to excess altitude requiring an extended downwind, and failure to use all available navigation information.
- [NTSB DCA16CA153](https://openairdocs.org/ntsb/DCA16CA153.md): Airbus Industrie A320 214 · Philadelphia, PA · Accident · Serious injuries · Data collection · Final report · May 14, 2016 · N103US · No damage
  > an inadvertent encounter with clear air turbulence that resulted in a serious injury to a flight attendant.
- [NTSB DCA16CA181](https://openairdocs.org/ntsb/DCA16CA181.md): Boeing 737 724 · Port Arthur, TX · Accident · Serious injuries · Data collection · Final report · Mar 15, 2016 · N23708 · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA16CA094](https://openairdocs.org/ntsb/DCA16CA094.md): Boeing 737 · Detroit, MI · Accident · No injuries · Data collection · Final report · Feb 17, 2016 · N925NN · 2 aircraft · Minor damage
  > N925NN flight crew's incorrect evaluation of the clearance between the two aircraft, leading to the inadvertent collision of the winglet with the horizontal stabilizer and elevator of N784SW.
- [NTSB DCA16CA077](https://openairdocs.org/ntsb/DCA16CA077.md): Boeing 737 7H4 · Titusville, FL · Accident · Serious injuries · Data collection · Final report · Jan 28, 2016 · N718SW · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA16CA053](https://openairdocs.org/ntsb/DCA16CA053.md): Boeing 737 7H4 · Charlotte, NC · Accident · Serious injuries · Data collection · Final report · Dec 23, 2015 · N475WN · No damage
  > An inadvertent encounter with clear air turbulence.
- [NTSB DCA16LA032](https://openairdocs.org/ntsb/DCA16LA032.md): Boeing 737 3H4 · Nashville, TN · Accident · No injuries · Limited investigation · Final report · Dec 15, 2015 · N649SW · Substantial damage
  > the flight crew's early turn towards the assigned gate because taxiway lighting had been inadvertently turned off by the controller-in-charge which resulted in the airplane leaving the paved surface. Contributing to the accident was the operation of the…
- [NTSB DCA16CA026](https://openairdocs.org/ntsb/DCA16CA026.md): Boeing 737 7H4 · St Louis, MO · Accident · Serious injuries · Data collection · Final report · Nov 29, 2015 · N467WN · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA16CA023](https://openairdocs.org/ntsb/DCA16CA023.md): Airbus Industrie A319 112 · Philadelphia, PA · Accident · Serious injuries · Data collection · Final report · Nov 23, 2015 · N725UW · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA16CA008](https://openairdocs.org/ntsb/DCA16CA008.md): Boeing 737 3H4 · Pound Ridge, NY · Accident · Serious injuries · Data collection · Final report · Oct 9, 2015 · N383SW · No damage
  > hot water spilled from a cup onto the flight attendant's arm resulting in a 2nd degree burn.
- [NTSB DCA15CA176](https://openairdocs.org/ntsb/DCA15CA176.md): Boeing 737 7H4 · Oakland, CA · Accident · Serious injuries · Data collection · Final report · Aug 23, 2015 · N232WN · No damage
  > inadvertent jet blast, resulting in debris striking ground operations personnel.
- [NTSB OPS15IA020](https://openairdocs.org/ntsb/OPS15IA020.md): Airbus Industrie A320 211 · Max, NE · Incident · No injuries · Incident investigation · Final report · Aug 8, 2015 · N332NW · Minor damage
  > The flight crew's continued flight into a closing gap between areas of thunderstorm activity and their failure to maintain the required lateral separation from the thunderstorms, which resulted in the airplane's encounter with hail and subsequent airplane…
- [NTSB CEN15IA337](https://openairdocs.org/ntsb/CEN15IA337.md): Boeing 737 · Denver, CO · Incident · Minor injuries · Incident investigation · Final report · Aug 5, 2015 · N779SW · Minor damage
  > The gate lead/pushback driver's failure to recognize that the provisioning truck was within the safety zone of the gate during his walkaround due to distractions, which resulted in the subsequent collision between the airplane and the truck. Contributing to…
- [NTSB DCA15CA145](https://openairdocs.org/ntsb/DCA15CA145.md): Boeing 737 832 · Salt Lake City, UT · Accident · Serious injuries · Data collection · Final report · Jun 30, 2015 · N396DA · No damage
  > inadvertent contact by beverage cart during cabin service.
- [NTSB DCA15CA152](https://openairdocs.org/ntsb/DCA15CA152.md): Airbus Industrie A320 212 · Boston, MA · Accident · Serious injuries · Data collection · Final report · Jun 29, 2015 · N335NW · No damage
  > an inadvertent fall by the passenger while exiting the lavatory when the seat belt light was illuminated.
- [NTSB DCA15CA125](https://openairdocs.org/ntsb/DCA15CA125.md): Airbus Industrie A320 212 · Atlanta, GA · Accident · Serious injuries · Data collection · Final report · May 23, 2015 · N334NW · No damage
  > the flight attendant's failure to secure her lap belt and shoulder harness prior to the takeoff that resulted in her being thrown from her jumpseat shortly after takeoff.
- [NTSB CEN15IA225](https://openairdocs.org/ntsb/CEN15IA225.md): Airbus A319 112 · New Orleans, LA · Incident · No injuries · Incident investigation · Final report · May 5, 2015 · N941FR · Minor damage
  > The ingression of moisture into the windshield’s laminate layer, which induced electrical arcing in the windshield heating system that subsequently cracked the outer glass pane of the windshield.
- [NTSB DCA15CA037](https://openairdocs.org/ntsb/DCA15CA037.md): Boeing 737 · Baltimore, MD · Accident · No injuries · Data collection · Final report · Dec 13, 2014 · N7710A · Substantial damage
  > an inadvertent encounter with birds during approach to land that resulted in substantial damage.
- [NTSB DCA15CA050](https://openairdocs.org/ntsb/DCA15CA050.md): Boeing 737 7H4 · San Jose, CA · Accident · Serious injuries · Data collection · Final report · Dec 11, 2014 · N481WN · No damage
  > an inadvertent encounter with convective turbulence during descent.
- [NTSB DCA15CA035](https://openairdocs.org/ntsb/DCA15CA035.md): Boeing 737 824 · Valdosta, GA · Accident · Serious injuries · Data collection · Final report · Nov 24, 2014 · N16217 · No damage
  > an inadvertent encounter with clear air turbulence while the flight attendants were returning to their seats.
- [NTSB WPR14LA346](https://openairdocs.org/ntsb/WPR14LA346.md): Boeing 737 7H4 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Aug 14, 2014 · N758SW · Substantial damage
  > The disconnection of baggage carts that subsequently collided with the parked airplane following the tug driving over a dip in the roadway.

Next page: https://openairdocs.org/ntsb.md?engine=13802&status=final&page=2

## 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 ('13802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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