What was found
MCN - DURING C18 CHECK DISCOVERED CORROSION ON THE RT INBOARD MID FLAP, OUTBOARD CARRIAGE, INBOARD FORE FLAP SEQUENCE CAM TRACK. MAINTENANCE REMOVED AND REPLACED THE RT INBOARD MID FLAP, OUTBOARD CARRIAGE, INBOARD FORE FLAP SEQUENCE CAM TRACK IAW BOEING SOPM 20-50-01 PAGES 1 THROUGH 9.