LAKE TAHOE, CA, USA
N28452
GRUMMAN AA-5B
WHILE TAXIING TO THE RWY, THE PLT STATED THAT THE RIGHT BRAKE FAILED. THE ACFT ROLLED OFF THE TAXIWAY AND COLLIDED WITH A TRANSFORMER. INSPECTION OF THE BRAKE REVEALED THAT THE BRAKE LININGS WERE WORN AND THAT THE PISTON IN THE HYDRAULIC CYLINDER HAD TRAVELED PAST THE O-RING ALLOWING A LOSS OF PRESSURE.
Source: NTSB Aviation Accident Database
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