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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