What was found
FLAPS STOPPED AT AN INTERMEDIATE POSITION. ALSO, POSSIBLE SLIPPAGE OF NR 3 FLAP DRIVE. REMOVED AND REPLACED FLAP MOTOR AND GEARBOX ASSY WITH SERVICEABLE UNIT IAW 27-50-03, PN ON/OFF 100-524073-1, SN ON 3776, SN OFF 3741. ALSO REMOVED AND REPLACED NR 3 FLAP ACTUATOR AND 90 DEGREE DRIVE ASSY, PN ON/OFF 129-521050-2, SN ON 95-B-106, SN OFF 492-D-92 IAW 27-50-04. OPS CHECK GOOD.