Cape Air Cessna 402C Landing Gear Separation in San Juan (N402VN)

Incident Overview and Operational Context On July 27, 2010, at approximately 1215 Atlantic standard time, a Cessna 402C, registration N402VN, operated by Hyannis Air Service, Inc. (dba Cape Air) as Flight 1284, experienced a mechanical failure during the landing roll at Luis Munoz Marin International Airport in San Juan, Puerto Rico. The aircraft was conducting a scheduled domestic passenger flight under 14 CFR Part 135 from Antonio Rivera Rodriguez Airport in Isla de Vieques. Visual meteorological conditions prevailed, and a company VFR flight plan had been filed. The flight originated from Isla de Vieques at approximately 1148. The aircraft sustained minor damage, and neither the certificated airline transport pilot nor the one passenger on board were injured. The operator reported that the takeoff and en route phases were uneventful. During the landing roll, after brake application, the pilot reported that the aircraft dipped to the right. A passenger subsequently informed the pilot that the lower portion of the right main landing gear had separated from the aircraft. The airplane came to rest upright on the runway.