ASN Wikibase Occurrence # 365550
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| Date: | Monday 25 March 1991 |
| Time: | 19:09 LT |
| Type: |  Cessna 150M |
| Owner/operator: | Crystal River Aero Group |
| Registration: | N704SN |
| MSN: | 15078839 |
| Total airframe hrs: | 2915 hours |
| Engine model: | CONTINENTAL O-200-A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Crystal River, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT STATED THAT WHILE IN CRUISE FLIGHT THE ENGINE OIL PRESSURE STARTED TO DROP FOLLOWED BY A LOSS OF POWER. THE PILOT EXECUTED A FORCED LANDING INTO THE TREES. EXAMINATION REVEALED THAT THE ENGINE OIL SCREEN AND PUMP WERE CONTAMINATED AND DAMAGED BY METAL PARTICLES SIMILAR TO STARTER CLUTCH NEEDLE BEARINGS. THE LAST TIME A CLUTCH WAS REPLACED ON THIS ENGINE WAS BEFORE THE CURRENT OWNER HAD KNOWLEDGE OF IT.
Probable Cause: THE LOSS OF POWER BECAUSE OF OIL PUMP FAILURE DUE TO CONTAMINATION. UNKNOWN MAINTENANCE PERSONNEL PERFORMED A COMPONENT CHANGE WITHOUT USING APPROPRIATE PUBLICATIONS AND PROCEDURES AND FAILED TO CLEAN CONTAMINANTS FROM THE ENGINE.
Accident investigation:
 |
|
Sources:
NTSB MIA91LA109
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 11:16 | ASN Update Bot | Added |
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