As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT FROM SAL TO TGU THE ACFT RETURN TO SAL DUE DURING LG EXTENSION. BRAKE RT FAULT & BRAKE LT FAULT COMES ON EICAS & BOTH MSG`S KEPT STEADY ON THE REMAINING TIME OF FLIGHT. AT SAL STATION PERFORMED CHECK IAW FIM 32-41-00-810-804A & REPLACED MAIN BRAKE SHUT OFF VLV 1 IAW AMM 32-41-03, TESTED NORMAL. THE ACFT RETURN TO NORMAL OPERATION.