What was found
SUPPLEMENTAL: FLIGHT: 3967 AFW/AFW LEFT CAPTAIN BRAKE INOPERATIVE, PLEASE TAXI CHECKS BEFORE NEXT FLIGHT. CORRECTIVE ACTION: REMOVED AND REPLACED CAPTAINS MASTER CYLINDER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SUPPLEMENTAL: FLIGHT: 3967 AFW/AFW LEFT CAPTAIN BRAKE INOPERATIVE, PLEASE TAXI CHECKS BEFORE NEXT FLIGHT. CORRECTIVE ACTION: REMOVED AND REPLACED CAPTAINS MASTER CYLINDER.