THE IMPROPER MAINTENANCE PERFORMED AT THE LAST OVERHAUL WHICH RESULTED IN THE FAILURE OF THE #3 MAIN BEARING. CONTRIBUTING TO THE ACCIDENT WAS THE LACK OF A SUITABLE LANDING AREA FOR THE EMERGENCY LANDING.
— NTSB Determination
SHORTLY AFTER TAKEOFF THE RPM DECAYED AND THE ENGINE SEIZED. THE INSTRUCTOR FLEW TO THE ONLY AVAILABLE FIELD IN THE AREA BUT IT WAS ON THE SIDE OF A HILL. THE FIELD WAS ROUGH, UNEVEN AND COVERED WITH ROCKS. THE AIRPLANE WAS DEMOLISHED AND ALL THREE PEOPLE ON THE AIRPLANE RECEIVED SERIOUS INJURIES. TEARDOWN OF THE ENGINE REVEALED THE CENTER MAIN BEARING HAD FAILED AND FRAGMENTS OF THE BEARING SEPARATED FROM THE BEARING BACKING, AND ROLLED UP BETWEEN THE BEARING AND CRANKSHAFT.
SHORTLY AFTER TAKEOFF THE RPM DECAYED AND THE ENGINE SEIZED. THE INSTRUCTOR FLEW TO THE ONLY AVAILABLE FIELD IN THE AREA BUT IT WAS ON THE SIDE OF A HILL. THE FIELD WAS ROUGH, UNEVEN AND COVERED WITH ROCKS. THE AIRPLANE WAS DEMOLISHED AND ALL THREE PEOPLE ON THE AIRPLANE RECEIVED SERIOUS INJURIES. TEARDOWN OF THE…
The accident on 1989-07-26 involved a Piper PA-22, registration N5925D, at Placerville, CA.
THE IMPROPER MAINTENANCE PERFORMED AT THE LAST OVERHAUL WHICH RESULTED IN THE FAILURE OF THE #3 MAIN BEARING. CONTRIBUTING TO THE ACCIDENT WAS THE LACK OF A SUITABLE LANDING AREA FOR THE EMERGENCY LANDING.
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