What was found
PARKING BRAKE LEVER FELL OFF OF THE BRAKE CONTROL VALVE CAUSING THE PARKING BRAKE PORTION OF THE BRAKE CONTROL VALVE TO SPRING TO THE PARKING BRAKE POSITION LOCKING THE BRAKES. MAKING THE AIRCRAFT UNABLE TO MOVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PARKING BRAKE LEVER FELL OFF OF THE BRAKE CONTROL VALVE CAUSING THE PARKING BRAKE PORTION OF THE BRAKE CONTROL VALVE TO SPRING TO THE PARKING BRAKE POSITION LOCKING THE BRAKES. MAKING THE AIRCRAFT UNABLE TO MOVE.