As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER REPLACEMENT OF A NR 3 BRAKE ACCUMULATOR FOR A PARK BRAKE PRESSURE DECAY DEFECT, THE ASSOCIATED PRESSURE GAUGE FAILED, CATASTROPHICALLY. THE ACCUMULATOR AND GAUGE WERE REPLACED WITH SERVICEABLE UNITS AND THE AC RETURNED TO SERVICE. AC HOURS:23865, AC CYCLES:18787.