# NTSB DCA20CA049: Boeing 737, N929NN, New York, NY, January 8, 2020 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: January 8, 2020, 16:30 local (21:30 UTC) - Place: New York, NY - Coordinates: 40.776943, -73.873886 - Nearby events: https://openairdocs.org/map.md?lat=40.7769&lon=-73.8739&mi=10 - Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping) - Defining event: [Standing-engine(s) not oper: Ground collision](https://openairdocs.org/ntsb-events/200) - Highest injury: No injuries - Injuries: 121 uninjured - Status: Completed, report June 8, 2020 - Report: Approved by Office Director - NTSB office: Major Investigations Division - NTSB case key (mKey): 100791 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA20CA049 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100791/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=100791 - Page: https://openairdocs.org/ntsb/DCA20CA049 ## Probable cause failure of the deicing truck driver to maintain appropriate clearance from the airplane. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Use of equip/info: use of equip/system](https://openairdocs.org/ntsb-findings/02063015): Personnel issues › Task performance · Ground crew (probable cause); cases with it: [Boeing 737-823, 1 case](https://openairdocs.org/ntsb-findings/02063015/cases.md?model=13844CB), [All aircraft, 1,391 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Standing-engine(s) not oper: Ground collision](https://openairdocs.org/ntsb-events/200) (defining event); cases with it: [Boeing 737-823, 6 cases](https://openairdocs.org/ntsb-events/200/sequence.md?model=13844CB), [All aircraft, 618 cases](https://openairdocs.org/ntsb-events/200/sequence.md) ## Analysis On January 8, 2020, about 0630 eastern standard time, American Airlines flight 2632, a Boeing 737-823, N929NN, was damaged by a deicing truck. There were no injuries to the 2 pilots, 4 flight attendants, or 115 passengers on board. The airplane received substantial damage. The regularly scheduled domestic passenger flight was being operated under the provisions of 14 Code of Federal Regulations Part 121 from LaGuardia Airport, New York, New York, to Dallas/Fort Worth International Airport, Dallas, Texas. The captain stated that while sitting at gate C7 performing preflight duties he felt the aircraft "shudder". He stated that the first officer then looked out the window on his side and noticed a deicing truck behind the right wing. As he continued observing the first officer said they felt the airplane shudder again as the deicing truck pulled out from under the wing. ## Factual narrative On January 8, 2020, about 0630 eastern standard time, American Airlines flight 2632, a Boeing 737-823, N929NN, was damaged by a deicing truck. There were no injuries to the 2 pilots, 4 flight attendants, or 115 passengers on board. The airplane received substantial damage. The regularly scheduled domestic passenger flight was being operated under the provisions of 14 Code of Federal Regulations Part 121 from LaGuardia Airport, New York, New York, to Dallas/Fort Worth International Airport, Dallas, Texas. The captain stated that while sitting at gate C7 performing preflight duties he felt the aircraft "shudder". He stated that the first officer then looked out the window on his side and noticed a deicing truck behind the right wing. As he continued observing the first officer said they felt the airplane shudder again as the deicing truck pulled out from under the wing. ## Aircraft - Registration: [N929NN](https://openairdocs.org/aircraft/N929NN), registered now, S/N 33322, built 2013 (OpenAirDocs) - Reported make and model: Boeing 737 (823) - Registry model: [Boeing 737-823](https://openairdocs.org/model/boeing-737-823) (registry code 13844CB) (OpenAirDocs) - Registry engine: [CFM International CFM56-7B24E series](https://openairdocs.org/engine/cfm-international-cfm56-7b24e-series) (registry code 13804, turbo-fan) (OpenAirDocs) - Category: Airplane - Serial number: 33322 - Year built: 2013 - Engines: CFM 56-7B turbo fan; CFM 56-7B turbo fan - Damage: Substantial damage - Flight: Part 121 - Operator: American Airlines - Registered owner: Wells Fargo Trust Co Na Trustee - Airworthiness certificate: Standard, Transport - Departed: KLGA, New York, NY - Destination: KDFW, Dallas, TX - Flight plan: IFR - Airport: KLGA, LaGuardia Airport ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 53; injuries: none; airline transport; airplane ratings: multi-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review November 12, 2019; seat: left; restraint: 5-point; flight hours: 8,685 total, 6,758 in this make and model - Co-pilot; age 44; injuries: none; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review January 30, 2019; seat: right; restraint: 5-point; flight hours: 1,463 total, 1,463 in this make and model ## Weather - Conditions: Day ## Docket (2 files) The files NTSB released with the investigation on July 14, 2020, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=100791. 2.6 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 2.1 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40485330&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF - Employee Statements (item 2, .PDF, 554 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40485331&FileExtension=.PDF&FileName=Employee%20Statements-Master.PDF From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- 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.