Accident Cessna P210N N3886P, Friday 7 January 1983

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Date:	Friday 7 January 1983
Time:	18:13 LT
Type:	Cessna P210N
Owner/operator:	Private
Registration:	N3886P
MSN:	P21000068
Year of manufacture:	1978
Total airframe hrs:	1382 hours
Engine model:	Continental TSIO-520-P
Fatalities:	Fatalities: 0 / Occupants: 5
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Glade Park, CO - United States of America
Phase:	En route
Nature:	Executive
Departure airport:	Broomfield, CO (KBJC)
Destination airport:	Tonopah, NV (KTPH)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE ACFT LANDING GEAR COLLAPSED DURING A FORCED LANDING AFTER AN ENGINE FAILURE. THE PILOT SAID HE LOST MANIFOLD AND OILPRESSURE AND TURNED BACK TOWARD GRAND JUNCTION WHEN THE ENGINE BEGAN MAKING LOUD NOISES. A LANDING WAS MADE ON A SLIPPERY ROAD AND THE ACFT SKIDDED AND COLLAPSED THE GEAR. TELEDYNE-CONTINENTAL DECIDED THAT A THRUST WASHER HALF HAD BEEN LEFT OUT OF THE ENGINE DURING MANUFACTURE. THIS ALLOWED EXCESSIVE MOVEMENT OF THE CRANKSHAFT WHICH SIDE-LOADED AND FAILED #2 CONNECTING ROD AND DAMAGED #1 ROD.

Probable Cause:

Accident investigation: