TUCSON, AZ, USA
N9889M
CESSNA 210
THE ACFT HAD A HYDRAULIC LINE FAILURE DURING AN ATTEMPT TO LOWER THE LANDING GEAR. THE HYDRAULIC FLUID WAS LOST AND A GEAR UP LANDING WAS MADE. THE RETAINING RING OF THE MAIN DOOR ACTUATOR HAD FAILED ALLOWING THE PISTON TO POP OUT OF THE ACTUATOR. THERE WAS A SERVICE LETTER CONCERNING THE CIRCLIP (RETAINING RING) INSPECTION AND REPLACEMENT DETAIL.
Source: NTSB Aviation Accident Database
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