What was found
FLAP DISAGREEMENT ON TAKEOFF, DURING RETRACTION. REPLACED FLAP ANNUNCIATOR UNIT PER MM 27-50-00. OPS CHECK GOOD ON GROUND. P/N: 306900-1017, S/N ON: 0010, S/N OFF: 0217. CHANGED ALL WORN FLAP ROLLERS (8) AND FLAP TRACKS (3). REPLACED RIGHT INBOARD FLAP ACTUATOR IAW MM 27-50-00. OPS AND LEAK CHECKS GOOD.