What was found
YIP - PER AD 66-04-02 INSPECTION, LEFT WING NR 2 FUEL TANK LOWER SURFACE, 2 INCH LONG SUBSURFACE RP/UT CORROSION/CRACK INDICATION IN PLANK 1 AT 1/2 PLANK JOINT, LWS 103.5-105.5. ROUTED OUT CRACKED AREA, LRWS103 TO LWS106,PER SB620. FABRICATED AND INSTALLED REPAIR PER L-188 SRM 57-2-1 FIG 3, SHEET 25. (M)