NTSB Identification: MIA97LA065.
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Accident occurred Friday, January 17, 1997 in BOCA RATON, FL
Probable Cause Approval Date: 09/05/1997
Aircraft: Piper PA-32-300, registration: N2816M
Injuries: 1 Minor.

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

While climbing through 2,000 feet after takeoff the engine quit abruptly. Attempts to restart the engine were unsuccessful and a forced landing was made on a golf course where the aircraft collided with trees. Postcrash examination showed the left magneto would not rotate, the left crankshaft idler gear and crankshaft gear had teeth broken in overload, and the crankshaft gear had come loose. Examination of the left magneto showed the rotating magnet had a defect which caused it to make contact with the magneto case. The exact defect was not determine. The magneto had accumulated 2.3 flight hours since overhaul.

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

Improper overhaul of the left magneto which resulted in a defect in the left magneto rotating magnet to go undetected which caused the magneto to stop rotating and break several teeth from engine crankshaft gears and disconnect the crankshaft drive gear.

Full narrative available

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