NTSB Identification: BFO90LA069.
The docket is stored on NTSB microfiche number 43966.
Accident occurred Thursday, August 16, 1990 in FREDERICK, MD
Probable Cause Approval Date: 12/30/1992
Aircraft: CESSNA 170B, registration: N8239A
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 PLT WAS DOING HIS ELEVENTH TOUCH AND GO LANDING WHEN THE LEFT MAIN GEAR AXLE FAILED DURING THE LANDING ROLL, CAUSING THE ACFT TO GROUND LOOP. EXAMINATION OF THE ACFT REVEALED THE AXLE WAS FRACTURED AT ITS FLANGE JUNCTION. METALLURGICAL EXAMINATION REVEALED FATIGUE CORROSION ON THE FRACTURE SURFACE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: FATIGUE FAILURE OF THE LEFT MAIN GEAR WHEEL AXLE.
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