NTSB Identification: CHI87LA089.
The docket is stored on NTSB microfiche number 35123.
Accident occurred Saturday, February 21, 1987 in PONTIAC, MI
Probable Cause Approval Date: 07/05/1988
Aircraft: CESSNA 182F, registration: N3513U
Injuries: 2 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.WHILE THE ACFT WAS BEING TAXIED TO A HANGAR AFTER LANDING, THE LEFT MAIN GEAR COLLAPSED. AN INVESTIGATION REVEALED THE LEFT MAIN LANDING GEAR SPRING STRUT, PN 0741601-1, HAD FAILED WHERE IT WAS CLAMPED TO THE FUSELAGE. A METALLURGICAL EXAM OF THE FRACTURE AREA REVEALED THERE WAS FATIGUE WHERE FRETTING OF THE STRUT HAD OCCURRED AT THE CLAMP. THE ACFT HAD 3300 HRS OF TOTAL FLT TIME & WAS ESTIMATED TO HAVE HAD OVER 3000 LANDINGS.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
LANDING GEAR,MAIN GEAR STRUT..FATIGUE
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