NTSB Identification: MIA98LA242.
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Accident occurred Saturday, September 05, 1998 in COVINGTON, GA
Probable Cause Approval Date: 03/30/2000
Aircraft: Cessna 177RG, registration: N2679V
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot reported that about 10 minutes after takeoff he experienced a loss of indicated engine oil pressure. The engine began to run rough and seized about two miles short of his divert airport. The pilot initiated an emergency landing in a grass field and during the landing rollout, the airplane collided with a fence. Subsequent examination of the engine revealed the No. 3 connecting rod bearing had become unsecured and rotated about its installed location ultimately blocking its lubrication port. The No. 3 connecting rod failed and a hole was observed in the crankcase adjacent to the No. one cylinder.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

slippage of the No. 3 connecting rod bearing resulting in blockage of the oil port, oil starvation, and subsequent connecting rod failure. A factor was the fence.

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