What was found
(CAN) #2 BRAKE DEBOOSTER VALVE SPLIT AT LOWER END. OCCURRED AFTER AIRCRAFT PUSHED BACK AND STARTED TAXIING, RETURNED TO GATE, COMPONENT REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) #2 BRAKE DEBOOSTER VALVE SPLIT AT LOWER END. OCCURRED AFTER AIRCRAFT PUSHED BACK AND STARTED TAXIING, RETURNED TO GATE, COMPONENT REPLACED.