Accident McDonnell Douglas DC-9-82 (MD-82) N72822,

Date:	Tuesday 27 April 1993
Time:	17:28
Type:	McDonnell Douglas DC-9-82 (MD-82)
Owner/operator:	Continental Air Lines
Registration:	N72822
MSN:	49482/1309
Year of manufacture:	1986
Total airframe hrs:	21572 hours
Engine model:	Pratt & Whitney JT8D-217
Fatalities:	Fatalities: 0 / Occupants: 121
Aircraft damage:	Substantial, repaired
Category:	Accident
Location:	Denver-Stapleton International Airport, CO (DEN) - United States of America
Phase:	Landing
Nature:	Passenger - Scheduled
Departure airport:	San Francisco International Airport, CA (SFO/KSFO)
Destination airport:	Denver-Stapleton International Airport, CO (DEN/KDEN)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
A McDonnell Douglas DC-9-82, N72822, operating as Continental Airlines Flight 588, had the right main landing gear collapse during landing roll at Denver-Stapleton International Airport, Colorado. There were two minor injuries reported from the emergency evacuation, and the aircraft sustained substantial damage.
According to the flight deck crew, the takeoff, en route, and approach were normal. Upon touch down on runway 26R, a severe vibration occurred and the right main gear collapsed at 117 knots. The aircraft remained on the runway and skidded to a stop.

A vibration in the right main landing gear, for undetermined reasons, which resulted in collapse of the right main gear. A factor was failure of the pilot in command to ensure deployment of the ground spoilers.

Accident investigation: