What was found
LH WING UPPER SKIN PANEL FOUND CRACKED, DELAMINATED, FOUND DURING INSPECTION PER B223914; EXTERNAL - GV: WING UPPER SKIN PANELS. TO INCLUDE: FORWARD OF LEADING EDGE SPAR, FRONT SPAR TO REAR SPAR, & AFT OF REAR SPAR. ACCESS NOTE: UPPER WING SKIN LOWER SURFACE - VISIBLE IN LEADING EDGE BAYS WITH LEADING EDGE DEVICES EXTENDED / VISIBLE IN TRAILING EDGE BAYS WITH FLAPS, SPEED BRAKES AND SPOILERS EXTENDED MPD: 57-425-01