# NTSB investigations: Pratt & Whitney PW2040

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 DCA25LA084](https://openairdocs.org/ntsb/DCA25LA084.md): Boeing 757 · Atlanta, GA · Accident · Serious injuries · Class 4 · Limited · Final report · Jan 10, 2025 · N589NW · Minor damage
  > Substantial injury to a passenger sustained during evacuation.
- [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 DCA14LA137](https://openairdocs.org/ntsb/DCA14LA137.md): Boeing 757 · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Jul 30, 2014 · N553UA · Substantial damage
  > the first officer's failure to maintain the correct airspeed and pitch attitude during landing that resulted in a tailstrike.
- [NTSB DCA12CA021](https://openairdocs.org/ntsb/DCA12CA021.md): Boeing 757-351 · Atlanta, GA · Accident · No injuries · Data collection · Final report · Dec 9, 2011 · N583NW · 2 aircraft · Substantial damage
  > the failure of the captain of N303DQ to maintain a safe clearance from N583NW that was stopped on the taxiway.
- [NTSB WPR12LA057](https://openairdocs.org/ntsb/WPR12LA057.md): Boeing 757-222 · Modesto, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 1, 2011 · N547UA · No damage
  > The flight's encounter with known severe turbulence associated with mountain wave activity, which resulted in a flight attendant sustaining a broken ankle.
- [NTSB ENG11IA051](https://openairdocs.org/ntsb/ENG11IA051.md): Boeing 757-222 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Sep 26, 2011 · N526UA · Minor damage
  > **This probable cause was modified on 4/5/2012. Please see the public docket for this accident to view the original probable cause.** The initial damage to the fan blades was caused by the ingestion of a Red-Tailed Hawk that caused one or more fan blades to…
- [NTSB WPR11LA300](https://openairdocs.org/ntsb/WPR11LA300.md): Boeing 757-222 · Los Angeles, CA · Accident · Serious injuries · Limited investigation · Final report · May 31, 2011 · N526UA · Minor damage
  > The ground crewmembers’ failure to follow proper procedures for removing a stuck or jammed tow bar, which resulted in a ground crew injury.
- [NTSB ENG10IA029](https://openairdocs.org/ntsb/ENG10IA029.md): Boeing 757 · Chantilly, VA · Incident · No injuries · Incident investigation · Final report · May 17, 2010 · N510UA · Minor damage
  > The ignition of the J5 power terminal located on the captain’s No. 1 windshield due to a loose electrical connection between the terminal connector lug and its respective terminal block. The loose connection resulted from a missing lock washer that allowed…
- [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 SEA08LA061](https://openairdocs.org/ntsb/SEA08LA061.md): Bombardier CL-600-2C10 · San Francisco, CA · Accident · No injuries · Limited investigation · Final report · Jan 14, 2008 · N705SK · 2 aircraft · Substantial damage
  > The company tug operator's failure to maintain clearance with another aircraft during the pushback process. Also causal was the ground controller's failure to alert the pilot of the other aircraft and tug operator of this airplane of the simultaneous pushback…
- [NTSB LAX07LA189](https://openairdocs.org/ntsb/LAX07LA189.md): Boeing 757-24APF · Burbank, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 24, 2007 · N402UP · No damage
  > The tow tractor driver's and mechanic's diverted attention resulting in the airplane rolling over the mechanic's foot. Also causal was the mechanic's failure to maintain clearance from the nose landing gear.
- [NTSB LAX07LA127](https://openairdocs.org/ntsb/LAX07LA127.md): Boeing 757-200 · Los Angeles, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 12, 2007 · N525UA · No damage
  > The flight's encounter with a turbulence event that occurred while the flight attendants were unseated. Contributing to the accident was the apparent conflicting information provided by the flight deck to the flight attendants and the flight attendants'…
- [NTSB CHI06LA099](https://openairdocs.org/ntsb/CHI06LA099.md): Boeing 757-222 · Omaha, NE · Accident · Serious injuries · Limited investigation · Final report · Mar 15, 2006 · N518UA · No damage
  > An inadvertent encounter with unforecast mountain wave turbulence during cruise flight. A contributing factor was the mountain wave (terrain induced) turbulence.
- [NTSB SEA04IA175](https://openairdocs.org/ntsb/SEA04IA175.md): Boeing 757-200 · Richmond, BC, Canada · Incident · No injuries · Incident investigation · Final report · Aug 27, 2004 · N526UA · Minor damage
  > The slat was impacted by birds after takeoff and subsequently the slat delaminated due to flight loads.
- [NTSB CHI04LA084](https://openairdocs.org/ntsb/CHI04LA084.md): Boeing 757-200 · Janesville, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 1, 2004 · N516UA · No damage
  > The unexpected encounter with convective turbulence.
- [NTSB CHI03LA113](https://openairdocs.org/ntsb/CHI03LA113.md): Boeing 757-222 · Lithonia, GA · Accident · Serious injuries · Limited investigation · Final report · Apr 21, 2003 · N504UA · No damage
  > The flight into adverse weather encountered by the flight crew, and the flight attendant's restraint not available when she was informed to take her seat. The convective associated turbulence was a contributing factor.
- [NTSB DEN03IA033](https://openairdocs.org/ntsb/DEN03IA033.md): Boeing 757-222 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Jan 11, 2003 · N551UA · Minor damage
  > the arcing wires in the lavatory sensor that resulted in the subsequent fire.
- [NTSB LAX02LA146](https://openairdocs.org/ntsb/LAX02LA146.md): Boeing 747-422 · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Limited investigation · Final report · May 1, 2002 · N182UA · No damage
  > An in-flight encounter with clear air turbulence and wind shear, which resulted in a serious injury to a flight attendant.
- [NTSB DCA01MA065](https://openairdocs.org/ntsb/DCA01MA065.md): Boeing 757 · Shanksville, PA · Accident · 44 fatal · Major investigation · Final report · Sep 11, 2001 · N591UA · Destroyed
  > The Safety Board did not determine the probable cause and does not plan to issue a report or open a public docket. The terrorist attacks of September 11, 2001 are under the jurisdiction of the Federal Bureau of Investigation. The Safety Board provided…
- [NTSB FTW96LA157](https://openairdocs.org/ntsb/FTW96LA157.md): Boeing B-757-222 · Taos, NM · Accident · Serious injuries · Limited investigation · Final report · Mar 23, 1996 · N503UA · No damage
  > an encounter with unforecasted clear air turbulence.
- [NTSB ANC96LA026](https://openairdocs.org/ntsb/ANC96LA026.md): Boeing 757-232 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Feb 20, 1996 · N622DL · 2 aircraft · Minor damage
  > inadequate visual lookout by the flightcrew of the Delta Boeing 757, N622DL, and their failure to follow procedures and directives by not closely following the ramp marshals' signals.
- [NTSB FTW95LA055](https://openairdocs.org/ntsb/FTW95LA055.md): Boeing 757-24APF · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Nov 25, 1994 · N413UP · Substantial damage
  > The pilot's failure to maintain vref during approach and his improper flare touchdown that resulted in an excessive pitch up attitude following touchdown.
- [NTSB DEN93LA098](https://openairdocs.org/ntsb/DEN93LA098.md): Boeing 757-222 · Denver, CO · Accident · No injuries · Limited investigation · Final report · Aug 2, 1993 · N508UA · Substantial damage
  > The first officer's improper recovery from a bounced landing. Factors were: the first officer's delayed initiation of the flare, and the captain's improper supervision of the flight.
- [NTSB DEN93IA027](https://openairdocs.org/ntsb/DEN93IA027.md): Boeing 757-222 · Grand Junction, CO · Incident · No injuries · Incident investigation · Final report · Feb 14, 1993 · N508UA · No damage
  > Failure of the left generator control unit (gcu), integrated drive generator (idg), right (side) engine indicator and crew alert system (eicas), and bus tie bar (btb).
- [NTSB DEN90LA046](https://openairdocs.org/ntsb/DEN90LA046.md): Boeing 757-222 · New York, NY · Accident · No injuries · Limited investigation · Final report · Jan 16, 1990 · N505UA · Substantial damage
  > Overrotation of the aircraft during takeoff. Factors related to the accident were: the first officer's improper use of the flight manual, which resulted in his improper calculations of the rotation speed, and inadequate supervision concerning verification of…

## 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 ('52121'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52121

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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.