What was found
(CAN) AFTER LANDING, THE WING FLAPS OF AN AC COULD NOT BE RETRACTED. THE ASYMMETRY WARNING SYSTEM HAD BEEN TRIPPED. THE LT AND RT FLAP ACTUATORS WERE REPLACED WITH OVERHAULED UNITS AND THE AC WAS DISPATCHED. UPON DISASSEMBLY OF THE ACTUATOR AT THE OVERHAUL SHOP THE BRASS WORM WHEEL THAT DRIVES THE SCREW JACK WAS FOUND STRIPPED. AWD 82-07-04R3 PART 2 HAD BEEN COMPLETED FEBRUARY 19, 2007. THE PART HAD ONLY 2202 CYCLES AND 1871.8 HOURS SINCE OVERHAUL AND THE ACCOMPLISHMENT OF THE AWD. (TC NR 20080213009)