What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK INDICATION ON FR 36 CENTER BOX FRONT SPAR VERTICAL STRINGER, Y-254 ZONA 2, CRACK POSITION 12 OCLOCK, CRACK DEPTH 0.105 INCHES MAINTENANCE PERFORMED PERMANENT REPAIR INSTRUCTIONS ON FR 36 CENTER BOX FRONT SPAR VERTICAL STRINGER, Y -254 IAW EA 367910 AND DWGR57112154.