As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PUTTING GEAR DOWN FOR FINAL APPROACH, EICAS MESSAGE BRAKE DEGRADE. WENT AROUND DID AOM1 CHECKLIST. DECLARED EMERGENCY AND LANDED WITHOUT INCINDENT. PERFORMED MAIN BRAKE FUNCTIONAL CHECK IAW AMM 32-41-00. FNC FAILED AT STEP J.2.H. CONTINUED FROM AMM 32-41-00. STEP J2H, PASS FNC OF MAIN BRAKE SYSTEM. UTILIZE BRAKE FIELD ANALYZER IAW 32-41-00. NO FAULT NOTED. PERFORM HIGH SPD TAXI WITH FLT CREW. NO MESSAGE NOTED.