NTSB Identification: SEA86LA051.
The docket is stored on NTSB microfiche number 30001.
Accident occurred Friday, January 31, 1986 in SANDY, OR
Aircraft: CESSNA 182, registration: N2085R
Injuries: 2 Minor.

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

A TOTAL LOSS OF POWER OCCURRED DUE TO A COMPLETE LOSS OF OIL. DURING ENGINE TEARDOWN IT WAS FOUND THAT THE OIL FILTER ADAPTER HAD SLIPPED PAST THE THREADS IN THE OIL PUMP HOUSING. THE AIRCRAFT HAD THE OIL FILTER ADAPTER REPLACED AS WELL AS THE O RING ON 12-11-85. THE MECHANIC TOLD THE AIRCRAFT OWNER VIA A WRITTEN WORK ORDER THAT THE THREADS ON THE ADAPTER WERE WORN AND BROKEN. DUE TO UNSUITABLE LANDING AREAS AVAILABLE A NOSE OVER OCCURRED DURING LANDING ON THE GRASS FIELD.

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

MISCELLANEOUS..LOOSE

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

MAINTENANCE,INSTALLATION..IMPROPER..OTHER MAINTENANCE PERSONNEL

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

FLUID,OIL..STARVATION

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

INSTRUCTIONS,WRITTEN/VERBAL..DISREGARDED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..RISING


Contributing Factors

TERRAIN CONDITION..SOFT

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