As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN UNDER FLOOR AT BS 540 FLOOR SUPPORT INTERCOSTAL CRACKED, RBL 1.5, DOT ATTACHED. ACFT GROUNDED. REMOVED FLOORBOARD IAW AMM 53-21-00. REMOVED DAMAGED SUPPORT IAW SRM 51-40-02. LOCATED, DRILLED AND DEBURRED NEW SUPPORT IAW SRM 51-40-05 AND BAC DWG 143A5240. INSTALLED NEW SUPPORT IAW SRM 51-40-02 AND BAC DWG 143A4250. INSTALLED FLOORBOARD IAW AMM 53-21-00. DOT REMOVED.