NTSB Identification: IAD97LA092.
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Accident occurred Friday, June 20, 1997 in DEFIANCE, OH
Probable Cause Approval Date: 04/15/1999
Aircraft: Piper PA-32R-300, registration: N5716F
Injuries: 3 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.

At 65 knots, the pilot rotated the airplane and simultaneously heard a loud bang and felt a severe left pull. The pilot applied right rudder and brake to stop the left drift; however, the airplane departed the runway, continued across a grassy area, then across an asphalt taxi way, and came to a stop in an upright attitude. A 100 hour inspection had been completed just prior to the flight, and an examination of the left main wheel found a 6 inch section of the inner wheel rim missing. A 2 inch piece of the inner wheel was found about 565 feet from the approach end of the runway. Microscopic examination revealed 'no clear evidence of fatigue...and the fracture appears to have failed by overstress separation.'

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

The failure of a wheel rim due to overstress separation with no clear evidence initiating event.

Full narrative available

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