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 FASTENER HOLE OF SPAR VERTICAL STRINGER IN CENTER FUSELAGE ON FRAME 36 NUMBER 4 ZONE 1 (CRACK DEPTH:0.212 INCHES). MAINTENANCE ACCOMPLISHED REPAIR ON HORIZONTAL FLOOR BEAM AND VERTICAL STRINGER IN CENTER FUSELAGE ON FRAME 36 (-Y254) IAW EA #358601.