The National Transportation Safety Board traveled to the scene of this incident.
Additional Participating Entities:
Federal Aviation Administration / Flight Standards District Office; Las Vegas, Nevada
Location: Las Vegas, Nevada
Sun Country Airlines; Minneapolis, Minnesota
Federal Aviation Administration - Accident Investigation and Prevention AVP-100; Washington, District of Columbia
Boeing; Seattle, Washington
Air Line Pilots Association, International (ALPA); Ashburn, Virginia
Sun Country Airlines; Minneapolis, Minnesota
Incident Number: ENG22FA009
Date and Time: February 4, 2022, 01:19 Local
Registration: N817SY
Aircraft: Boeing 737-8K2
Injuries: 56 None
Flight Conducted Under: Part 121: Air carrier - Scheduled
On February 4, 2022, about 0119 Pacific standard time (PST), Sun Country Airlines flight 110, a Boeing 737-8K2, N817SY, sustained minor damage when it was involved in an incident near Las Vegas, Nevada. The 50 passengers and 6 flight crew members were not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 121 scheduled domestic passenger flight.
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.
Aircraft and Owner/Operator Information
Aircraft Make: Boeing
Registration: N817SY
Model/Series: 737-8K2
Aircraft Category: Airplane
Amateur Built:
Operator:
Operating Certificate(s) Held: Flag carrier (121), Supplemental
Operator Designator Code: SCNA
Meteorological Information and Flight Plan
Conditions at Accident Site: VMC
Condition of Light: Night
Observation Facility, Elevation: KLAS,2180 ft msl
Observation Time: 00:56 Local
Distance from Accident Site: 1 Nautical Miles
Temperature/Dew Point: 4°C /-11°C
Lowest Cloud Condition: Clear
Wind Speed/Gusts, Direction: 9 knots / , 20°
Lowest Ceiling: None
Visibility: 10 miles
Altimeter Setting: 30.46 inches Hg
Type of Flight Plan Filed: IFR
Departure Point: Las Vegas, NV (LAS)
Destination: Minneapolis, MN (MSP)
Wreckage and Impact Information
Crew Injuries: 6 None
Aircraft Damage: Minor
Passenger Injuries: 50 None
Aircraft Fire: None
Ground Injuries:
Aircraft Explosion: None
Total Injuries: 56 None
Latitude, Longitude: 36.076362,-115.14199 (est)
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