As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** AFT CARGO BAY; FLOOR TRACK; LBL17; HAS MULTIPLE SPOTS OF CORROSION; BS727 TO BS787. DEFECTS MARKED. / EVALUATED CORROSION ON FLOOR TRACK BS727. BS787; LBL 17; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. REMOVED AND REPLACED FLOOR TRACK PER SRM 51-40-02 AND DWG 146A7500 SHT. 54. 84504U 11APR18