NTSB Identification: LAX90FA209.
The docket is stored on NTSB microfiche number 43627.
Nonscheduled 14 CFR
Accident occurred Wednesday, June 06, 1990 in FRESNO, CA
Probable Cause Approval Date: 12/14/1992
Aircraft: CESSNA 208A, registration: N803FE
Injuries: 1 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ENGINE LOST OIL PRESS WHILE CLIMBING THROUGH 6,000 FT, AND THE PILOT REQUESTED TO RETURN TO HIS DEPARTURE AIRPORT. ATC INFORMED THE PILOT OF A CLOSER AIRPORT. THE PILOT SECURED THE ENGINE, FEATHERED THE PROP, AND MADE A POWER-OFF DESCENT TO THE AIRPORT. THE PILOT ELECTED TO MAKE A DOWNWIND APPROACH TO RWY 12L DUE TO HIS ALTITUDE. THE AIRPLANE OVERFLEW THE RUNWAY AND TOUCHED DOWN PAST THE DEPARTURE END. IT PENETRATED THE AIRPORT PERIMETER FENCE, STRUCK SEVERAL TREES, A SIGN POST, A LIGHT POLE, AND AN AUTO BEFORE COMING TO REST IN A RESIDENTIAL AREA. EXAMINATION OF THE WRECKAGE REVEALED THE LOSS OF PRESSURE WAS DUE TO OIL LEAKING. THE OIL FILLER CAP WAS FOUND IMPROPERLY ADJUSTED AFTER THE ORIGINAL INSTALLATION. THE MAINTENANCE MANUAL DOES NOT APPROVE ANY FIELD REPAIRS ON THE OIL FILLER CAP ENGAGING MECHANISMS. THE AIRPLANE'S FLAPS WERE FOUND AT A 7 DEG INTERMEDIATE SETTING.

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

A LOSS OF ENGINE OIL PRESSURE DUE TO IMPROPER MAINTENANCE PERFORMED ON THE ENGINE OIL FILLER CAP BY AN UNKNOWN PERSON. IN ADDITION, THE PILOT MISJUDGED HIS LANDING APPROACH TO THE RUNWAY DURING THE FORCED LANDING WHICH RESULTED IN AN OVERSHOOT AND COLLISION WITH OBJECTS. A TAILWIND CONTRIBUTED TO THE OVERSHOOT.

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