NTSB Identification: DEN83LA048.
The docket is stored on NTSB microfiche number 20757.
Accident occurred Friday, January 07, 1983 in GLADE PARK, CO
Aircraft: CESSNA P210N, registration: N3886P
Injuries: 5 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CRANKSHAFT..LOOSE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CONNECTING ROD..FAILURE,TOTAL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLUID,OIL..CONTAMINATION


Contributing Factors

LANDING GEAR,MAIN GEAR ATTACHMENT..OVERLOAD


Contributing Factors

LANDING GEAR,NOSE GEAR ASSEMBLY..OVERLOAD

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