ASN Wikibase Occurrence # 366053
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| Date: | Saturday 13 October 1990 |
| Time: | 11:10 LT |
| Type: |  Mooney M20F |
| Owner/operator: | Glenn A Watts |
| Registration: | N9732M |
| MSN: | 670292 |
| Total airframe hrs: | 4388 hours |
| Engine model: | LYCOMING IO-360 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Casper, WY -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Albuquerque, NM |
| Casper, WY (KCPR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT MADE A FORCED LANDING AFTER THE ENGINE FAILED. INVESTIGATION REVEALED THE NUMBER 2 CYLINDER CONNECTING ROD LOWER YOKE WAS FRACTURED. METALLURGICAL EXAMINATION OF THE ROD REVEALED ROTATIONAL POLISHING AND GALLED SPOTS ON THE INSIDE YOKE SURFACES AND A FATIGUE FRACTURE OF THE YOKE THAT ORIGINATED AT THE INSIDE SURFACE.
Probable Cause: THE LOSS OF ENGINE POWER DUE TO FATIGUE FRACTURE OF THE NUMBER 2 CYLINDER CONNECTING ROD. FACTORS RELATED TO THE ACCIDENT WERE: ROUGH AND UNEVEN TERRAIN AT THE ACCIDENT SITE AND THE LACK OF SUITABLE TERRAIN FOR FORCED LANDING.
Accident investigation:
 |
|
Sources:
NTSB SEA91LA006
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 16:54 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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