What was found
BRAKES RESIDUAL BRAKING ON 1, 2, 5, AND 6 OBSERVED ALTERNATE BRAKE PRESSURE FLUCTUATING PRESSURE DURING CRUISE. NO ADVERSE BRAKING DURING LANDING AND TAXI. TROUBLSHOT IAW TSM 32-40-00-810-927-A. FOUND LEFT BRAKE PRESSURE INDICATOR CYCLING. REPLACED PRESSURE TRANSMITTER 3GK1, OPS CHECKED OK.