Defect. SOME OF THE BRAKE LINKAGE BELLCRANK END NUTS ARE NON-LOCKING NUTS, AND CAN LOOSEN IN SERVICE.
Risk. THE BRAKE LINKAGE CAN BECOME DISCONNECTED, CAUSING LOSSOF SERVICE BRAKES WHICH COULD RESULT IN AN ACCIDENT.
Remedy. REPLACE ANY NON-LOCKING BELLCRANK NUTS WITH LOCKING NUTS.