ASN Wikibase Occurrence # 353227
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| Date: | Saturday 5 June 1999 |
| Time: | 20:27 LT |
| Type: |  Cessna 177RG |
| Owner/operator: | Private |
| Registration: | N1982Q |
| MSN: | 177RG0382 |
| Total airframe hrs: | 3589 hours |
| Engine model: | Lycoming IO-360-A1B6D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Timmonsville, SC -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Cheraw, SC (47J) |
| Charleston, SC (KJZI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While in cruise flight at 4,500 feet, the engine lost partial power. About 4 minutes later the engine lost all power. About 9 minutes after initial loss of engine power, while making a forced landing, the aircraft touched down in a tobacco field, overran the field, crossed a road, and came to rest in a ditch. Postcrash examination of the engine showed the cylinders had been installed with sealing compound under the bases. The No. 2 cylinder hold down studs had lost torque and failed, and the cylinder had separated from the engine case. Subsequently, the No. 1 and No. 2 connecting rods broke loose from the crankshaft and the engine seized. Engine records indicated the engine had been overhauled about 12 years and 1,257 flight hours before the failure. No entries show removal and re-installation of the cylinders after the engine overhaul. The engine was last inspected 64 flight hours before the accident.
Probable Cause: The loss of engine power due to the improper installation and in-flight separation of an engine cylinder.
Accident investigation:
 |
|
Sources:
NTSB MIA99LA164
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Mar-2024 11:43 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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