As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY INTO MCO ON ACCOUNT OF PRIMARY BRAKE FAULT MESSAGE. FLIGHT DID A GO AROUND AND THEN LANDED USING ALTERNATE BRAKES. MAINTENANCE REMOVED AND REPLACED NORMAL BRAKE SERVO VALVE ON L/H MAIN GEAR STRUT IAW AMM 32-42-48. NORMAL BRAKING TEST BITE AND BSCU GROUND SCANNING BITE CHECKS GOOD IAW AMM 32-46-00.