What was found
DURING ROUTINE C-CHECK INSPECTION, FOUND LFT WING, O/B MID FLAP, L/E LWR SURFACE, CORROSION ON TWO AREAS. (REFERENCE: O/B ATTACHED FAIRING FWD AREA). REPAIRED IAW ENGINEERING SKETCH NR AIA/E/2587, APPROVED BY FAA FORM 8110-3 DATED 7-21-97 PN=7075-T6 0.125IN. B727 MAINTENANCE TASK CARD C-CHECK CARD NR C-060 (SUN PACIFIC PAPERWORK). NON-ROUTINE TASK CARD NUMBER 111224.