NEWARK, IL, USA
N5164T
CHAMPION 7ECA
ON LIFTOFF FROM A TOUCH-AND-GO LANDING, THE PISTON ROD OF THE RIGHT MAIN GEAR OLEO EXTENDED BEYOND ITS TUBE, FREEING THAT MAIN WHEEL TO FALL TO A TRAIL POSITION. THE PILOT LANDED FULL STOP ON THE LEFT MAIN AND TAIL WHEELS. THE OLEO PISTON RETAINING PIN WHICH CONNECTS THE ROD SHEARED IN COMPRESSION. PORTIONS OF THE OLEO ASSEMBLY SHOWED PREVIOUS DAMAGE AND WEAR, WHILE THE O-RING SEAL WAS NEWER.
A SHEARED OLEO PISTON RETAINING PIN WHICH ALLOWED THE WHEEL TO FALL OUT.
Source: NTSB Aviation Accident Database
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