WEST PALM BEACH, FL, USA
N4273C
CESSNA 340A
THE PLT STATED THAT HE HAD THREE GREEN LIGHTS ON APPROACH, BUT ON LANDING ROLLOUT, THE RIGHT MAIN GEAR COLLAPSED. SUBSEQUENTLY, THE ACFT SLID OFF THE RUNWAY INTO THE GRASS. AN EXAM OF THE RIGHT MAIN LANDING GEAR REVEALED THE BELLCRANK ASSEMBLY HAD FAILED DUE TO BINDING, CAUSED BY LACK OF LUBRICATION OF THE DOWN LOCK BRACE. THE PLT HAD TAKEN THE ACFT TO MAINTAINENCE FOR CORRECTIVE ACTION WHEN THE RIGHT LANDING GEAR LIGHT DID NOT FUNCTION ON THE PREVIOUS FLT. THE ACFT WAS CHECKED AS OK & RELEASED FOR FLT.
FAILURE OF THE RIGHT MAIN LANDING GEAR BELLCRANK ASSEMBLY DUE TO BINDING AND INADEQUATE MAINTENANCE LUBRICATION.
Source: NTSB Aviation Accident Database
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