Incident Overview
Date: Thursday 18 November 1982
Aircraft Type: McDonnell Douglas DC-10
Owner/operator: Continental Air Lines
Registration Number: N68056
Location: Denver, CO –
ÿ United States of America
Phase of Flight: Standing
Status: Substantial
Casualties: Fatalities: 0 / Occupants: 136
Component Affected: Gear HandleGear Handle
Investigating Agency: NTSBNTSB
Category: Accident
During taxi takeoff, a hydraulic malfunction was detected on the right main gear. The aircraft was returned to the gate for maintenance. Passengers were not protested.During taxi takeoff, a hydraulic malfunction was detected on the right main gear. The aircraft was returned to the gate for maintenance. Passengers were not protested.
Description
DURING THE TAXI FOR TAKEOFF, THE CREW NOTED A HYDRAULIC MALFUNCTION ON THE RIGHT MAIN GEAR AND RETURNED TO THE GATE FOR MAINTENANCE. THE AIRCRAFT WAS SHUT DOWN AND TURNED OVER TO THE MAINTENANCE CREW FOR REPAIR. THE PASSENGERS WERE NOT DEPLANED. DURING MAINTENANCE TROUBLESHOOTING PROCEDURES FOR THE HYDRAULIC LEAK, THE GEAR HANDLE WAS RAISED WITHOUT THE GEAR LOCKING PINS INSTALLED. THIS ALLOWED THE NOSE GEAR TO RETRACT AND THE NOSE SETTLED ONTO A PARKED TUG. INVESTIGATION REVEALED THAT THE APPLICABLE CHECKLIST WAS NOT USED AND POSITIVE COMMUNICATIONS WERE NOT ESTABLISHED BETWEEN THE MAINTENANCE PERSONNEL IN THE COCKPIT AND THOSE ON THE GROUND. Probable Cause:
Primary Cause
Failure to utilize the applicable checklist during troubleshooting of the hydraulic leak.Failure to utilize the applicable checklist during troubleshooting of the hydraulic leak.Share on:
