What was found
YIP - PER AD 66-04-02 INSPECTION, LT WING UPPER SURFACE-DRY BAY, 7 INCH LONG SUBSURFACE RP/UT CORROSION/CRACK INDICATION IN PLANK 2 AT 2/3 PLANK JOINT, LWS 172-179. ROUTED OUT CRACKED AREA, LWS 176 TO LWS 180, PER SB 620. REPAIRED PER ZIA DRAWING F25-R07. (M)