What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK INDICATION ON FR 36 CENTER WING BOX FRONT SPAR VERTICAL STRINGER , Y 254 ZONA 2, CRACK POSITION 11 OCLOCK, CRACK DEPTH 0.120 INCHES. MAINTENANCE PERFORMED PERMANENT REPAIR INSTRUCTIONS ON FR 36 CENTER WING BOX FRONT SPAR VERTICAL STRINGER, Y 254 IAW EA 367910 AND DWGR57112154.