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 FLOORBEAM 5 BACKSIDE OF THE SPAR VERTICAL STRINGER AT FR 36 CRACK L=0.280 INCH. MAINTENANCE PERFORMED PERMANENT REPAIR ON HORIZONTAL BEAM -Y765 (BEAM 5) LOC CENTER BOX FR36 FRONT SPAR IAW EA 366899.