What was found
FLIGHT DIVERTED TO PHL DUE TO AN AUTO BRAKE FAULT. RUNWAY CONDITIONS IN BOS WERE REPORTED AS POOR TO NIL, THE LAST HALF OF 33L WITH PATCHY SNOW. FLIGHT LANDED AT PHL WITHOUT FURTHER INCIDENT. R & R THE RT MLG 2M HARNESS IAW AMM 32-11-43-0401. OPERATIONS & FUNCTION TESTED IAW AMM 32-48-00-720-001-A, 32-69-00-740-001-A, 32-42-00-720-003-A, 32-48-00-710-001-A & 32-42-00-720-002-A.