On September 27, 1992, a Cessna 305A (registration N5074Y) operated by Soaring Society OF Dayton Inc. was involved in an aviation accident near Waynesville, OH. Investigators recorded the probable cause as: THE CHAFFING OF A LANDING GEAR BRAKE LINE WHICH CAUSED THE LOSS OF HYDRAULIC FLUID AND SUBSEQUENT LOSS OF BRAKING ACTION. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During landing rollout, a brake failure caused an airplane to veer left into a wooden observation deck. Post-accident inspection revealed a hole in the brake line from chafing against a clamp.
Incident Overview
A pilot reported that a preflight inspection revealed no abnormalities. During the landing rollout, the right brake failed, causing the airplane to veer to the left and impact a wooden observation deck.
Examination Findings
An examination of the airplane after the incident found a small hole worn into the brake line. The hole was caused by chafing action from the brake line clamp on the landing gear. Hydraulic fluid escaped through this hole, rendering the right brake ineffective.
Conclusion
The accident investigation determined that the brake failure resulted from a chafed brake line, leading to a loss of braking capability on the right side.