As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YIP - PER AD 66-04-02 INSPECTION, LEFT WING NR 2 FUEL TANK UPPER SURFACE. THREE INCH LONG SUBSURFACE RP/UT CORROSION/CRACK INDICATION IN PLANK 9 AT 8/9 JOINT, LWS 88-91. ROUTED OUT CRACKED AREA, WS 87 TO WS 90 PER SB620. INSTALLED REPAIR PER SB620 DRAWING 841880. (M)