What was found
LT WING, THRU FUEL TANK ACCESS PANEL CUTOUT 535BT, UPPER STRINGER NR 12, STRINGER END FOUND WITH CRACK OF ABOUT 10 INCHES IN LENGTH. REPAIR CARRIED OUT AT LT WING FUEL TANK ACCESS PANEL CUT-OUT 535BT, UPPER STRINGER NR 12 AS PER SRM 57-20-00 FIG 10, VOL I. FABRICATED REPAIR ANGLES AS PER SRM 57-20-00 FIG 10, VOL I AND INSTALLED REPAIR ANGLES AT LEFT HAND WING STRINGER NR 12 AS PER SRM 51-33-01 VOL II.