Incident Overview
During a full-stop landing, the pilot applied brakes, at which point the right brake failed. In response, the pilot maneuvered the aircraft off the paved landing surface in an attempt to bring it to a halt. Subsequently, the right landing gear strut collapsed, and the aircraft slid into a fence before stopping.
Examination Findings
An examination of the right brake assembly revealed extremely thin inner and outer brake pads, with some portions worn completely away. Further inspection showed that the O-ring seal around each brake cylinder was protruding from the cylinder assembly. The right tire exhibited heavy hydraulic fluid staining.
Maintenance History
A logbook entry dated January 25, 1985, indicated that the brake linings and seals for both brakes had been replaced during that inspection.