What was found
WING TIP BRAKES LOCKED WITH FLAP SYSTEM FAULT ON APPROACH. FLAPS MAX EXTENSION AT 1. REPLACED FLAP HANDLE COMMAND SENSOR UNIT. OPERATED FLAPS SEVERAL TIMES CHECKED ALL FLAP LOAD LIMITER TRIP INDICATORS FOR TRIP STATUS. FOUND NR 3 TRIPPED ON LEFT WING. TROUBLESHOT SYSTEM. BOTH SLAT FLAP CONTROL COMPUTER 1 & 2. FOUND CHECK FLAP MECHANISM DRIVE MESSAGES BEING REPORTED. ALSO FOUND MESSAGE ON PREVIOUS FLIGHT AND POST FLIGHT REPORTS. HAVE F-CTL FLAPS FAULT. REPLACED NR 3 FLAP TRACK ACTUATOR. RESET SYSTEM THRU CFDS AND SYSTEM CHECKS NORMAL. RESET ACTUATOR. SYSTEM OPS CHECKED GOOD.