ATL82DA084

Factual narrative

THE PILOT STATED THAT DURING LANDING, THE LEFT BRAKE WAS INOPERATIVE. WHEN HE REALIZED THE PROBLEM, THERE WAS INSUFFICIENT RUNWAY REMAINING TO STOP OR GO-AROUND. AT THE END OF THE RUNWAY WAS A DEEP DROP-OFF. THEREFORE THE PILOT USED THE RIGHT BRAKE, AND SUBSEQUENTLY, THE PLANE DEPARTED THE RIGHT SIDE OF THE RUNWAY. THE RIGHT GEAR SEPARATED IN SOFT TERRAIN AS THE PLANE ENTERED A DEPRESSION BESIDE THE RUNWAY. AN EXAMINATION REVEALED THE LEFT BRAKE MASTER CYLINDER WAS WET WITH HYDRAULIC FLUID. THE CYLINDER, PARAMOUNT MODEL VI-15-750-3, WAS DISASSEMBLED. AN INSPECTION OF THE MASTER CYLINDER PISTON SHAFT REVEALED SEVERAL COMPRESSION INDENTATIONS. THE INDENTATIONS WERE LOCATED IN SUCH A MANNER AS TO PERMIT FLUID LEAKAGE AND INTRODUCTION OF AIR INTO THE CYLINDER. THE CAUSE OF THE INDENTATIONS WAS NOT DETERMINED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12