What was found
FLT NR 611, PWM-JFK, MESSAGES AT GEAR EXTENSION- BRK LH FAULT, BRK RT FAULT, REDUCED BRAKE EFFECTIVENESS ON ROLL OUT AND TAXI IN NOTED. DE/RE-ENERGIZE A/C PER FIM 32-41-00. REPLACED NR 4 BRAKE CONTROL VALVE PER AMM 32-41-00. OPS OK, LEAK CHECKED OK.