Serious incident McDonnell Douglas DC-10-10 N1806U, Sunday 10 June 1984

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Date:	Sunday 10 June 1984
Time:	14:02 LT
Type:	McDonnell Douglas DC-10-10
Owner/operator:	United Airlines
Registration:	N1806U
MSN:	46605/15
Total airframe hrs:	34026 hours
Engine model:	GE CF6-6D
Fatalities:	Fatalities: 0 / Occupants: 212
Other fatalities:	0
Aircraft damage:	None
Category:	Serious incident
Location:	Los Angeles, CA - United States of America
Phase:	Initial climb
Nature:	Passenger - Scheduled
Departure airport:	Los Angeles, CA (KLAX)
Destination airport:	Washington, DC (KIAD)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PILOTS WERE UNABLE TO RETRACT THE RIGHT WING SPOILERS AFTER TAKEOFF, SO THEY RETURNED TO THE DEPARTURE AIRPORT FOR AN UNEVENTFUL LANDING. AN INSPECTION REVEALED RUST & DEBRIS IN THE AREA OF THE BELLCRANK, WHICH PREVENTED THE #1, #4 & #5 RGT HAND SPOILERS FROM RETRACTING. THE SPOILERS REMAINED EXTENDED 4 TO 5 INCHES.

Probable Cause:

Accident investigation: