As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE, PANEL BREAK, AT BS 540 IS CRACKED AT LBL 2. ACFT GROUNDED. REMOVED MAIN CABIN FLOOR STRUCTURE PANEL BREAK AT BS 540 IAW SRM 51-40-02, LOCATED AND DRILLED NEW PANEL BREAK IAW SRM 51-40-02 AND INSTALLED NEW PANEL BREAK AT BS 540 LBL2 IAW SRM 51-40-02, REMOVED DOT.