As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK INDICATION FOUND ON RADIUS OF HORIZONTAL FLOOR BEAM 2 BACKSIDE OF THE SPAR VERTICAL STRINGER AT FR 36. CRACK L= 0.105 INCH. MAINTENANCE PERFORMED PERMANENT REPAIR ON CENTER WING BOX POSITION (2)Y765 FRONT SPAR VERTICAL STRINGER FR 36 ON CENTER FUSELAGE IAW EA 366683 PART C AND DWG R57112154.