As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI BRAKE CHECK 5.14.2 TRANSISTOR TO NORMAL / GREEN BRAKE TOOK APROX 6 SECONDS FOR BRAKE GAGE ON PANELNTO DROP TO ZERO. ALL OTHER BEHAVIOR NORMAL. PERFORMED BITE TEST OF BSCU ALL CKD GOOD NO DEFECT NOTED AT THIS TIME SYS OPS AS NORM NO 3 DAY REPETITIVE HISTORY OK FOR SVC PER A 319 AMM 32-46-00.