As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: DURING HEAVY CHECK FOUND: FLOOR SUPPORT HAS SURFACE CORROSION STA 270 RBL3 TO RBL5 WL208. CORRECTIVE ACTION: REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW 727 SRM 51-10-6 & 53-10-1 REPLACED WITH EXTRUSION CHORD 65-17588-66 IAW 727 SRM 53-10-2