As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD PIT STA 500I LATERAL FLOOR SUPPORT UPPER SURFACE CORRODED FROM LBL 24 TO RBL24 AT WL 155 / EVALUATED CORROSION ON LOWER BULKHEAD SUPPORT AT STA 500I LBL 24 - RBL 24 NO PUBLISHED LIMITS IN SRM. REMOVED AND REPLAED RAIL ASSY IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A9481 REV - ATAG WN4193