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 CENTER WING BOX FRONT SPAR VERTICAL STRINGER 5 ZONE 2, CRACK DIRECTION AT 1 O CLOCK, L= 0.170 INCH APPROX. MAINTENANCE ACCOMPLISHED INTERIM REPAIR INSTRUCTIONS (PARTIAL BEAM REPLACEMENT) ON FLOOR BEAM Y-765 LOC. AT LEVEL FR36 FLOOR STRUCTURE VERTICAL STRINGER 5 ON WING BOX FRONT SPAR IAW EA NO. 368253 AND DWG: R57112154 ISSUE C.