MARIETTA, GA, USA
N431T
BEECH 35-A33
DURING PREFLT 'RUN-UP' AT THE END OF THE ACTIVE RWY, THE RIGHT BRAKE FAILED AND THE AIRPLANE PIVOTED LEFT WHILE THE ENGINE WAS AT A HIGH POWER SETTING. THE PLT RPTED THAT THINGS HAPPENED SO FAST THAT HE MAY HAVE ADDED POWER WHILE ATTEMPTING TO REDUCE POWER. HE ALSO STATED THAT HE CONTINUED TO PRESS ON THE BRAKE PEDALS CAUSING THE ACFT TO TURN TO THE LEFT TOWARDS A STEEP BANK. THE ACFT ROLLED APPROX 200 FT AND OVERTURNED ON THE SIDE OF AN EMBANKMENT. INVESTIGATION REVEALED THAT THE RIGHT BRAKE HOSE HAD RUPTURED AT THE CALIPER WHICH CAUSED THE LOSS OF RIGHT BRAKE FLUID/PRESSURE. THE BRAKE HOSE WAS ORIGINAL EQUIPMENT, 28 YEARS OLD. AN ANNUAL INSPECTION WAS PERFORMED 5 MONTHS PRIOR TO THE ACCIDENT.
Source: NTSB Aviation Accident Database
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