As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 235 SLC-LGB, CREW DECLARED EMERGENCY DUE TO BRAKE AUTO BRAKE FAULT (BRAKES RELEASED) AFTER TAKEOFF. PFR INDICATED WHEEL TACH (19GG) NR 1 WHEEL AT FAULT. REMOVED AND REPLACED NR 1 WHEEL TACH PER 32-42-57. SPIN CHECK NR 1 WHEEL TACH CHECKS GOOD PER 32-42-00-720. BITE TEST ON BSCU 1 AND 2 CHECK GOOD PER 32-46-00-740.