ASN Wikibase Occurrence # 297266
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| Date: | Thursday 23 May 2002 |
| Time: | 17:35 LT |
| Type: |  Mooney M20J |
| Owner/operator: | |
| Registration: | N4560H |
| MSN: | 24-0766 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 5922 hours |
| Engine model: | Lycoming IO-360-A3B6D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Charleston, South Carolina -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Charleston International Airport, SC (CHS/KCHS) |
| Charleston International Airport, SC (CHS/KCHS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During climb through 3300 feet mean sea level, the engine lost power. During emergency landing on a road, the airplane struck a power line, then collided with the ground inverted. The underside of the fuselage and empennage was found heavily coated with and streaming engine oil. Examination of the engine found the number 1 connecting rod detached. The number 2 and 3 connecting rods exhibited heat discoloration and lack of lubrication. Bearing material was extruded, the connection rods were separated, and both were found in multiple pieces. The number 4 connecting rod remained attached, and the bearing showed early signs of heat discoloration and lack of lubrication. The connecting rod separations exhibited overload signatures, and there were no signs of fatigue. Maintenance records indicate an annual inspection was completed on December 14, 2001, at an engine time of 595 hours since major overhaul, and the engine accumulated 70 hours since inspection. The engine received a propeller strike inspection on February 8, 2000, and the engine was disassembled, repaired, and reassembled. The engine time for the propeller strike repairs was not recorded in the maintenance log.
Probable Cause: Total loss of engine power due to oil system starvation. A factor was the transmission wire encountered during emergency descent.
Accident investigation:
 |
|
Sources:
NTSB ATL02LA103
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Oct-2022 16:32 | ASN Update Bot | Added |
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