Sun Country B738 at Las Vegas on Feb 4th 2022, gear malfunction on departure

Last Update: March 9, 2022 / 22:05:30 GMT/Zulu time

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Incident Facts

Date of incident
Feb 4, 2022

Classification
Accident

Flight number
SY-110

Aircraft Registration
N817SY

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

A Sun Country Boeing 737-800, registration N817SY performing flight SY-110 from Las Vegas,NV to Minneapolis,MN (USA) with 50 passengers and 6 crew, was climbing out of Las Vegas' runway 01R when the crew stopped the climb at 9500 feet due to a problem with the right hand main gear. The crew performed troubleshooting and about 30 minutes after departure positioned for an approach to runway 26R about 40 minutes after departure. During the landing roll out sparks were seen from the right hand gear, the aircraft came to a stop on the runway and was disabled. The passengers disembarked via stairs and were bussed to the terminal.

The FAA reported: "AIRCRAFT DEPARTED AND RETURNED, LANDED AND GEAR COLLAPSED, LAS VEGAS, NV."

The airline reported the right hand main gear malfunctioned.

On Mar 9th 2022 the NTSB released their preliminary report stating:

Sun Country flight 110 departed Harry Reid International Airport (LAS), Las Vegas, Nevada, about 0040 PST enroute to Minneapolis, Minnesota. After takeoff the crew moved the landing gear handle to the UP position to retract the landing gear, and subsequently received a red warning light for the right main landing gear (RMLG). The crew engaged the autopilot while they consulted the GEAR DISAGREE checklist. They placed the landing gear handle in the OFF position and the autopilot began retrimming the airplane, so they placed the handle back in the UP position. Subsequently, the crew reported hearing a loud sound from aft of the cockpit, so they declared an emergency and returned to LAS. During the approach the crew moved the landing gear handle to the DOWN position and received three green lights for the landing gear. During the landing, about 3 seconds after touching down, the RMLG collapsed. The airplane rolled right, and the right engine impacted the runway. The crew stopped the airplane on the runway and the passengers and crew deplaned using airstairs to a waiting bus. The airplane was then moved to the ramp.

Examination of the RMLG showed that the outer cylinder was fractured at the upper end between the forward and aft trunnions. A portion of the landing gear punctured the upper wing skin above the landing gear. The RMLG was removed from the airplane and the fracture surfaces were excised. The RMLG fractures were shipped to the NTSB Materials Laboratory for further examination.



Ground observer video of roll out (Video: Nick Kastanes)
Aircraft Registration Data
Registration mark
N817SY
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
737-8K2
Number of Seats
ICAO Aircraft Type
B738
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
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Engine Type
Main Owner
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Incident Facts

Date of incident
Feb 4, 2022

Classification
Accident

Flight number
SY-110

Aircraft Registration
N817SY

Aircraft Type
Boeing 737-800

ICAO Type Designator
B738

This article is published under license from Avherald.com. © of text by Avherald.com.
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