ASN Wikibase Occurrence # 363217
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| Date: | Wednesday 29 July 1992 |
| Time: | 15:30 LT |
| Type: |  Cessna 150H |
| Owner/operator: | Buffalo Aircraft Sales |
| Registration: | N22923 |
| MSN: | 15068617 |
| Total airframe hrs: | 2976 hours |
| Engine model: | CONTINENTAL O-200A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bowlus, MN -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Ortonville, MN (KVVV) |
| Little Falls, MN (KLXL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE EXPERIENCED A TOTAL LOSS OF ENGINE POWER WHILE IN CRUISE FLIGHT. THE PILOT ATTEMPTED TO LAND ON A NEARBY ROAD, BUT WAS UNABLE TO SEE POWERLINES AND A UTILITY POLE OBSTRUCTING HIS GLIDE PATH DUE TO A FILM OF OIL ON THE WIND SHIELD FROM THE RUPTURED ENGINE CASE. THE AIRPLANE STRUCK THE POWERLINES AND POLE AND LANDED IN AN ADJACENT FIELD. EXAMINATION OF THE ENGINE DISCLOSED A FRACTURED CONNECTING ROD CAP AND ROD CAP BOLT IN THE NUMBER 4 CYLINDER. BOTH OF THE CASTELLATED NUTS WERE GONE FROM THE ROD CAP BOLTS. ONE OF THE BOLTS HAD REMNANTS OF A COTTER KEY REMAINING IN THE KEYWAY, THE OTHER BOLT DID NOT. ONE CASTELLATED NUT FITTING A ROD CAP BOLT WAS FOUND IN THE OIL PAN. THE NUT'S NORMALLY SHARP EDGES WERE WORN SMOOTH AND SHINY, GIVING THE APPEARANCE THE NUT HAD BEEN IN THE SUMP FOR A LONG PERIOD OF TIME. THE ENGINE'S LAST MAJOR OVERHAUL WAS 946 SERVICE HOURS PRIOR TO THE ACCIDENT FLIGHT.
Probable Cause: THE FRACTURE OF THE NUMBER FOUR CYLINDER'S CONNECTING ROD CAP.
Accident investigation:
 |
|
Sources:
NTSB CHI92LA216
History of this aircraft
Other occurrences involving this aircraft
| 3 March 1990 | N22923 | Private | 0 | Grygla, MN | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 14:47 | ASN Update Bot | Added |
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