As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED AN EMERGENCY DUE TO BRAKE SYS 2 INOPERATIVE, NORMAL BRAKE INOPERATIVE. FAULT CLEARED DURING TAXI. PERFORMED SYSTEM RESET AND BITE TEST OF BSCU IAW AMM 32-46-00. NO FAULTS FOUND. SYS TEST NORMAL OK FOR SERVICE. P1 TSI 11706 WAS ALSO ASSIGNED TO REMOVE BSCU. R & R BSCU IAW AMM 32-42-34. OPS CHECK AND BITE TEST GOOD.