Created Tuesday, Sep 14th 2021 15:36Z, last updated Tuesday, Sep 14th 2021 15:36Z
A United Boeing 737-800, registration N87513 performing flight UA-2429 from Newark,NJ (USA) to Denver,CO (USA) with 171 passengers and 7 crew, landed on Denver's runway 17R when sparks became visible from the left main gear. The crew requested emergency services to attend to the aircraft advising they believed they had blown a tyre, or maybe a gear. The aircraft became disabled on the runway resting on the left hand engine cowl, nose gear and right hand main gear. The left main gear, although appearing to have been down, didn't support the aircraft.

Passengers reported as soon as the aircraft touched down sparks became visible from the left main gear. They later disembarked via the right hand front door and stairs.

The airline reported the aircraft experienced a mechanical issue on landing, all passengers were bussed to the terminal.

The FAA reported the gear collapsed on landing, there were no injuries, the aircraft sustained unknown damage.

The aircraft was towed off the runway the following day with the left hand wing being supported by a flat bed semi truck.

On Apr 4th 2020 the NTSB reported the occurrence was rated an accident, the NTSB is investigating. The aircraft suffered a left main gear collapse during the landing roll on Denver's runway 17R.

A possibly related occurrence happened earlier this year, see Accident: Ryanair B738 at Frankfurt on Jan 29th 2019, gear strut penetrates wing during retraction.

On Sep 14th 2021 the NTSB released their preliminary report stating briefly (with passenger and crew numbers in error):

On December 22, 2019, at about 7:00 PM MST, United Airlines flight 2429, a Boeing 737-800, N87513, experienced a left main gear collapse during landing roll on runway 17R at Denver International Airport (KDEN), Denver, Colorado. There were no injuries to the 165 passengers and 6 crew members onboard. The airplane was substantially damaged. The airplane was operating under 14 Code of Federal Regulations Part 121 as a regularly scheduled passenger flight from Newark Liberty International Airport (KEWR), Newark, New Jersey.

Related NOTAMs:
!DEN 12/527 DEN TWY M2, M4, M5, M6, M7, M9, TWY EC BTN TWY M AND TWY P, TWY M10 BTN TWY M AND RWY 17R/35L, TWY A BTN TWY M AND RWY 17R/35L CLSD 1912230625-1912250600
!DEN 12/526 DEN RWY 17R/35L CLSD 1912230605-1912250600
!DEN 12/523 DEN RWY 17R/35L CLSD 1912230341-1912231900
!DEN 12/522 DEN RWY 17R/35L CLSD 1912230208-1912230800

Track Related Flights on Airportia: UA2429, Twitter: #UA2429
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