# 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 3 of 6 · 255 cases

## Cases, newest first

- [NTSB CEN10IA053](https://openairdocs.org/ntsb/CEN10IA053.md): Airbus A319-111 · Kansas City, MO · Incident · No injuries · Incident investigation · Final report · Nov 15, 2009 · N924FR · Minor damage
  > The in-flight engine ingestion of one or more Lesser Snow Geese (Chen caerulescens caerulescens).
- [NTSB DCA10IA001](https://openairdocs.org/ntsb/DCA10IA001.md): Airbus A320 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Oct 21, 2009 · N374NW · No damage
  > The flight crew's failure to monitor the airplane’s radio and instruments and the progress of the flight after becoming distracted by conversations and activities unrelated to the operation of the flight.
- [NTSB ENG09IA014](https://openairdocs.org/ntsb/ENG09IA014.md): Boeing 737 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Sep 8, 2009 · N670SW · Minor damage
  > The failure of the right main landing gear inboard axle due to fatigue cracking as a result of fretting damage in one of the brake mounting bolt holes.
- [NTSB ENG09IA009](https://openairdocs.org/ntsb/ENG09IA009.md): Boeing 737-3B7 · Charlotte (CLT), NC · Incident · No injuries · Incident investigation · Final report · Jul 15, 2009 · N506AU · Minor damage
  > The failure of the left hand main landing gear was caused by heat induced cracks resulting from abusive grinding/polishing of the chrome plate that was applied during the last overhaul.
- [NTSB DCA09FA065](https://openairdocs.org/ntsb/DCA09FA065.md): Boeing 737 · Charleston, WV · Accident · No injuries · Field investigation · Final report · Jul 13, 2009 · N387SW · Substantial damage
  > Fuselage skin failure due to preexisting fatigue at a chemically milled step.
- [NTSB CEN09IA294](https://openairdocs.org/ntsb/CEN09IA294.md): Boeing 737 · Houston, TX · Incident · Minor injuries · Incident investigation · Final report · May 13, 2009 · N371SW · Minor damage
  > The pilot's inadvertent application of excessive braking after touchdown, which caused the right wheels to lock and several tires to blow and resulted in a subsequent brake fire.
- [NTSB CEN09LA256](https://openairdocs.org/ntsb/CEN09LA256.md): Boeing 737-724 · McAllen, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 18, 2009 · N27722 · No damage
  > The injured passenger's failure to comply with the requirement to remain seated with a fastened seatbelt.
- [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 WPR09FA068](https://openairdocs.org/ntsb/WPR09FA068.md): Boeing 757-351 · Seattle, WA · Accident · No injuries · Field investigation · Final report · Dec 28, 2008 · N585NW · 2 aircraft · Substantial damage
  > The failure of the tug operator and wing walker of the other airplane to maintain clearance with this aircraft during the pushback process in dark night. Also causal was the ramp controller's misinterpretation of the other airplane's gate location and her…
- [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 OPS08IA014](https://openairdocs.org/ntsb/OPS08IA014.md): Boeing B744 · Atlantic Ocean · Incident · No injuries · Incident investigation · Final report · Aug 28, 2008 · UKNOWN · 2 aircraft · No damage
  > The San Juan CERAP controllers failure to ensure the two aircraft were properly separated using non-radar separation standards.
- [NTSB ENG08IA051](https://openairdocs.org/ntsb/ENG08IA051.md): Boeing 737 · Phoenix (PHX), AZ · Incident · No injuries · Incident investigation · Final report · Jun 27, 2008 · N514AU · Minor damage
  > The failure of the MLG was due to cracking in the cylinder wall resulting from a fatigue mechanism which initiated at, and near the inner diameter (ID) surface, with propagation through the wall toward the outer diameter(OD) surface. Crack initiation was due…
- [NTSB NYC08CA156](https://openairdocs.org/ntsb/NYC08CA156.md): Boeing 737-823 · Miami, FL · Accident · Serious injuries · Data collection · Final report · Apr 7, 2008 · N947AN · No damage
  > An unexpected encounter with turbulence, during the initial descent for landing.
- [NTSB DFW08IA087](https://openairdocs.org/ntsb/DFW08IA087.md): Boeing 737-524 · Houston, TX · Incident · No injuries · Incident investigation · Final report · Mar 27, 2008 · N23661 · Minor damage
  > The flight crew's improper landing technique for an inoperative anti-skid system resulting in locked brakes and four blown main landing gear tires.
- [NTSB DFW08IA074](https://openairdocs.org/ntsb/DFW08IA074.md): Boeing 737-7H4 · Dallas, TX · Incident · No injuries · Incident investigation · Final report · Mar 1, 2008 · N741SA · 2 aircraft · Minor damage
  > The failure of the taxiing flight crew to maintain an adequate clearance from the stationary airplane.
- [NTSB LAX08IA065](https://openairdocs.org/ntsb/LAX08IA065.md): Boeing 737-300 · Las Vegas, NV · Incident · Minor injuries · Incident investigation · Final report · Feb 24, 2008 · N648SW · No damage
  > An inadvertent encounter with severe turbulence during descent and the failure of two passenger seat belt attach fittings. Contributing to the incident was the failure of the operator to comply with the SAIB.
- [NTSB DCA08CA041](https://openairdocs.org/ntsb/DCA08CA041.md): Embraer ERJ170 · Washington, DC · Accident · No injuries · Data collection · Final report · Feb 17, 2008 · N828MD · 2 aircraft · Minor damage
  > Inadequate ground separation maintained by the pilot of the Embraer E170.
- [NTSB CHI08LA071](https://openairdocs.org/ntsb/CHI08LA071.md): Airbus Industrie A319-114 · Detroit, MI · Accident · No injuries · Limited investigation · Final report · Jan 9, 2008 · N349NB · Substantial damage
  > The separation of the engine cowling which resulted from maintenance personnel failing to follow maintenance procedures in that they did not latch the engine cowling following the maintenance inspection. A factor associated with the accident was their…
- [NTSB DEN08IA033](https://openairdocs.org/ntsb/DEN08IA033.md): Boeing 737-832 · Phoenix, AZ · Incident · No injuries · Incident investigation · Final report · Nov 25, 2007 · N3744F · Minor damage
  > Delamination of the right outboard tire tread during the takeoff roll due to underinflation and/or overloading during use in service.
- [NTSB ENG08IA002](https://openairdocs.org/ntsb/ENG08IA002.md): Boeing 737-300 · Greenville, TX · Incident · No injuries · Incident investigation · Final report · Nov 17, 2007 · N676SW · Minor damage
  > A total loss of engine power due to the No. 2 engine experiencing a release of its fan spinner through the fan cowl as a result of an unidentified object striking the spinner, separating it from the fan disk and causing the spinner to be ingested into the fan…
- [NTSB CHI08IA022](https://openairdocs.org/ntsb/CHI08IA022.md): Airbus Industrie A320-211 · Fargo, ND · Incident · No injuries · Incident investigation · Final report · Oct 21, 2007 · N331NW · Minor damage
  > The failure of the Brake and Steering Control Unit, which allowed the nose landing gear to turn to the 90-degree position.
- [NTSB OPS07IA009](https://openairdocs.org/ntsb/OPS07IA009.md): Boeing 737-700 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Aug 16, 2007 · C-FUWS · 2 aircraft · No damage
  > The LAX north ground controller's failure to properly coordinate with the tower local controller prior to providing taxi instructions that permitted an aircraft to cross an active runway while another aircraft was departing. **This report was modified on…
- [NTSB DFW07WA178](https://openairdocs.org/ntsb/DFW07WA178.md): Boeing 737-724 · Panama City, Panama · Accident · Serious injuries · Foreign investigation · Aug 2, 2007 · N13716 · No damage
- [NTSB DFW07LA164](https://openairdocs.org/ntsb/DFW07LA164.md): Boeing B737-800 · McAlester, OK · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2007 · N929AN · No damage
  > An in-flight encounter with clear air turbulence, which resulted in a serious injury to a flight attendant.
- [NTSB NYC07LA105](https://openairdocs.org/ntsb/NYC07LA105.md): Boeing 737-300 · La Plata, MD · Accident · Serious injuries · Limited investigation · Final report · Apr 25, 2007 · N648SW · No damage
  > An in-flight encounter with turbulence and the flight crew's failure to advise the cabin crew about potential forecast turbulence, as reported by the flight attendant.
- [NTSB ATL07IA078](https://openairdocs.org/ntsb/ATL07IA078.md): Airbus Industrie A319-111 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Apr 22, 2007 · N904FR · Minor damage
  > The mechanics failure to follow procedures and directives in securing the lower engine cowling after maintenance, and the failure of the first officer to follow the checklist to ensure the engine cowling was secured during the walk around inspection resulting…
- [NTSB DEN07IA058](https://openairdocs.org/ntsb/DEN07IA058.md): Boeing 737-522 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Feb 3, 2007 · N928UA · No damage
  > The snowplow driver's failure to follow procedures/directives by crossing an active runway without clearance, resulting in a runway incursion and near collision with an airplane during its landing roll.
- [NTSB LAX07LA064](https://openairdocs.org/ntsb/LAX07LA064.md): Boeing 737-7H4 · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Dec 27, 2006 · N207WN · 2 aircraft · Minor damage
  > Failure of the captain of the other taxiing airplane to maintain clearance from an occupied airplane stopped on the ramp.
- [NTSB DEN07IA037](https://openairdocs.org/ntsb/DEN07IA037.md): Boeing 737-824 · Colorado Spring, CO · Incident · Minor injuries · Incident investigation · Final report · Dec 16, 2006 · N24202 · Minor damage
  > A short circuit in the primary (non-rechargeable) battery, most likely due to it being recharged. This internal short led to thermal runaway, battery failure, and an explosion.
- [NTSB DEN07IA027](https://openairdocs.org/ntsb/DEN07IA027.md): Airbus Industrie A319-111 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 23, 2006 · N924FR · No damage
  > The inadvertent activation of the priority pushbutton on the sidestick by the first officer resulting in a nose down pitch and loss of aircraft control during the landing flare.
- [NTSB LAX07IA014](https://openairdocs.org/ntsb/LAX07IA014.md): Boeing 737-790 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Oct 19, 2006 · N614AS · No damage
  > A complete failure and depressurization of both hydraulic systems due to two separate events: 1) the failure of a engine driven pump on the 'A' system, and 2) the fatigue fracture and failure of a hydraulic line on the 'B' system.
- [NTSB NYC06LA223](https://openairdocs.org/ntsb/NYC06LA223.md): Boeing 737-700 · Hastings, NE · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 2006 · N793SA · No damage
  > The airplane's in flight encounter with thunderstorm related turbulence.
- [NTSB MIA06IA133](https://openairdocs.org/ntsb/MIA06IA133.md): Boeing 737-400 · Miami, FL · Incident · No injuries · Incident investigation · Final report · Aug 31, 2006 · N425US · Minor damage
  > The pilot's inadvertent application of the left brakes at touchdown. Contributing to the incident was insufficient information in the quick reference handbook on the loss of touchdown protection with an inoperative anti-skid system.
- [NTSB NYC06IA207](https://openairdocs.org/ntsb/NYC06IA207.md): Boeing 737-524 · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Aug 21, 2006 · N14655 · Minor damage
  > An overload failure of the airplane's nose landing gear while being towed for repositioning.
- [NTSB NYC06FA184](https://openairdocs.org/ntsb/NYC06FA184.md): Boeing 737-300 · Pittsburgh, PA · Accident · Minor injuries · Field investigation · Final report · Jul 27, 2006 · N529AU · Substantial damage
  > The airplane tug driver's inadvertent movement of the tug gear shift lever from forward to reverse, which resulted in the nose landing gear collapse. Contributing to the accident was the defective gear shift lever.
- [NTSB OPS06IA008](https://openairdocs.org/ntsb/OPS06IA008.md): Boeing 737-322 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jul 24, 2006 · N315UA · 2 aircraft · No damage
  > The failure of the ORD tower south local controller to monitor Atlas Air flight 6972 on arrival to runway 14R and subsequently clearing United Airlines flight 1015 for takeoff on intersecting runway 27L causing a loss of separation between the two aircraft.
- [NTSB OPS06IA007](https://openairdocs.org/ntsb/OPS06IA007.md): Boeing 737-300 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Mar 23, 2006 · N309UA · 2 aircraft · No damage
  > The probable cause of this incident was the ORD tower local controller's failure to provide sufficient separation between two aircraft departing intersecting runways. Contributing to the incident was the ORD local monitor's failure to monitor the situating…
- [NTSB DFW06FA056](https://openairdocs.org/ntsb/DFW06FA056.md): Boeing 737-524 · El Paso, TX · Accident · 1 fatal · Field investigation · Final report · Jan 16, 2006 · N32626 · Minor damage
  > the mechanic's failure to maintain proper clearance with the engine intake during a jet engine run, and the failure of contract maintenance personnel to follow written procedures and directives contained in the airline's general maintenance manual. Factors…
- [NTSB DFW06IA025](https://openairdocs.org/ntsb/DFW06IA025.md): Boeing 767-300ER · Houston, TX · Incident · No injuries · Incident investigation · Final report · Dec 16, 2005 · N319UP · 2 aircraft · Minor damage
  > The captain's failure to maintain clearance from a parked airplane awaiting for a gate. A contributing factor was that taxi procedures were not issued by ground control to advise the captain that the ramp area where he was taxing was designated as a…
- [NTSB DCA06WA001](https://openairdocs.org/ntsb/DCA06WA001.md): Boeing 737-900 · Calgary, Canada · Incident · No injuries · Foreign investigation · Oct 30, 2005 · N317AS · No damage
- [NTSB NYC06LA016](https://openairdocs.org/ntsb/NYC06LA016.md): Boeing 737-832 · Atlantic Ocean (Atlantic Ocean) · Accident · Serious injuries · Limited investigation · Final report · Oct 22, 2005 · N378DA · No damage
  > An encounter with turbulence during cruise flight.
- [NTSB LAX06LA009](https://openairdocs.org/ntsb/LAX06LA009.md): Boeing 737-7H4 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Oct 13, 2005 · N755SA · 2 aircraft · Minor damage
  > The failure of the other flight crew to maintain an adequate clearance from obstructions while taxiing.
- [NTSB IAD05LA118](https://openairdocs.org/ntsb/IAD05LA118.md): Boeing 737-824 · Newark, NJ · Accident · No injuries · Limited investigation · Final report · Aug 8, 2005 · N73270 · 2 aircraft · Substantial damage
  > The airport's failure to install markings on a parking "block" that bordered the taxiway, which failed to provide adequate clearance between taxiing airplanes and airplanes parked in the block. Factors in the accident were air traffic control's use of the…
- [NTSB CHI05LA179](https://openairdocs.org/ntsb/CHI05LA179.md): Boeing 737-7H4 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Jul 8, 2005 · N494WN · Substantial damage
  > The pushback tow driver not maintaining visual lookout for the wing walker's visual signal, and the driver not maintaining clearance from the vehicle during the pushback for taxi. Factors to the accident were the standing vehicle behind the airplane, the…
- [NTSB DEN05IA098](https://openairdocs.org/ntsb/DEN05IA098.md): Boeing 737-524 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Jun 20, 2005 · N24633 · Minor damage
  > the left wing walker's failure to maintain an adequate visual lookout. Contributing factors were his inadequate initial training, and the failure of other ground personnel to follow company procedures/directives.
- [NTSB DEN05LA090](https://openairdocs.org/ntsb/DEN05LA090.md): Airbus Industrie A-319-114 · Scottsbluff, NE · Accident · Serious injuries · Limited investigation · Final report · Jun 11, 2005 · N302NB · Minor damage
  > the inflight encounter with moderate turbulence.
- [NTSB NYC05IA095](https://openairdocs.org/ntsb/NYC05IA095.md): Airbus Industrie A330-301 · Boston, MA · Incident · No injuries · Incident investigation · Final report · Jun 9, 2005 · EI-ORD · 2 aircraft · No damage
  > The local east controller's failure to follow FAA Order 7110.65, para 3-9-8 and Boston Tower Order 7110.11, Standard Operating Procedures, which resulted in a runway incursion during takeoff involving two transport category airplanes.
- [NTSB DEN05IA076](https://openairdocs.org/ntsb/DEN05IA076.md): Boeing 737-322 · Denver, CO · Incident · No injuries · Incident investigation · Final report · May 17, 2005 · N305UA · 2 aircraft · Minor damage
  > the improper use of procedure used by the ground personnel resulting in the right wing of the aircraft colliding with the left wing of another aircraft. A factor in this incident was the failure to maintain clearance by the flight crew of the other aircraft.
- [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 DFW05LA112](https://openairdocs.org/ntsb/DFW05LA112.md): Boeing 737-700 · Little Rock, AR · Accident · Serious injuries · Limited investigation · Final report · Apr 29, 2005 · N727SW · No damage
  > An encounter with moderate turbulence during cruise flight.

Next page: https://openairdocs.org/ntsb.md?engine=13802&page=4

## 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.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&page=3

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