As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING M-CHECK, FOUND MAIN CABIN FLOOR PANEL NR67 CRACKED AT END. REMOVED FASTENERS AND SECTION OF SKIN AT DAMAGED AREA FABRICATED FILLER FROM 7075T6 .025 AND DOUBLER FROM 7075T6 .032 USED NDT TO VERIFY NO CRACK EXISTS IAW NDT SPM 06-10-01.001 PRIMED PARTS IAW SRM 51-10-3. INSTALLED DOUBLER AND FILLER IAW SRM 53-05, FIG.1.