As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDC FLOOR SUPPORT STRUCTURE HAS CRACK AND MISSING NUT PLATE LOCATED AT STA 1020 BET RBL 25 AND RBL 45. FUSELAGE-MAINFRAME-MAIN CARGO FLOOR SUPPORT STA 1020 CRACKED, NEW PART FABRICATION-TEMPER ALTERATION, ACCOMPLISHED STEPS 1-2 WITHOUT NO DEVIATION IAW E.A. F-5310-T0379680 P1, MAJOR REPAIR.