What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK INDICATION ON FR 36 CENTER BOX FRONT SPAR VERTICAL STRINGER, Y-765 ZONA 1, CRACK POSITION 1 OCLOCK, CRACK DEPTH 0.125 INCHES . MAINTENANCE PERFORMED PERMANENT REPAIR INSTRUCTIONS ON FR 36 CENTER BOX FRONT SPAR VERTICAL STRINGER, Y -765 IAW EA 367910 AND DWGR57112154.