As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE STATIONARY DURING TAXI WHEN APPLYING PARKING BRAKE, BRAKE LIGHT FAILED TO COME ON WITH NO BRAKE ACTION. UPON REACHING GATE, CYCLED PARKING BRAKE MULTIPLE TIMES BRAKE LIGHT COMES ON. PERFORMED OPS CHECK OF EMERGENCY BRAKE SYSTEM PER AMM 32-44-00 OPS CHECK GOOD OK FOR SERVICE.