As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN TAXIING OUT FOR DEPARTURE, WE DID THE BRAKE CHECK & UPON RELEASING THE BRAKES WE HAD AN AMBER BRAKE LIGHT & RT BRAKE MINELCO WAS RED. POWERED ACFT & RESET MINELCO, ACCESSED AEGIS ON ACFT COMPUTER, RAN PROGRAM TO ACCESS FAULTS, NO FAULTS FOUND. TAXIED ACFT WITH CREW WHILE OPERATING BRAKE HANDLE 20 TIMES & COULD NOT DUPLICATE DISCREPANCY AT THIS TIME IAW F2000 MM CH 32-41 & 32-42.