What was found
WHILE THE AIRCRAFT WAS PARKED AT THE GATE SMOKE WAS NOTICED IN THE CABIN. MAINTENANCE FOUND THE PARKING BRAKE VALVE LEAKING. REMOVED AND REPLACED PARK BRAKE VALVE PER MM 324421. OPERATIONALLY AND LEAK CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE THE AIRCRAFT WAS PARKED AT THE GATE SMOKE WAS NOTICED IN THE CABIN. MAINTENANCE FOUND THE PARKING BRAKE VALVE LEAKING. REMOVED AND REPLACED PARK BRAKE VALVE PER MM 324421. OPERATIONALLY AND LEAK CHECKS GOOD.