As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT THRESHOLD WEB BETWEEN STA 787 AND 847 RBL 24 CORRODED ON TOP SURFACE / REMOVED CORROSION ON AFT CARGO THRESHOLD WEB STA 787-847 PER SRM 51-10-02-0G-0 ORIGINAL THICKNESS .050' LOSS OF .034' WITH .016' REMAINING BLEND FOUND TO BE OUT OF LIMITS PER SRM 52-60-15-1A-1 REMOVED AND REPLACE -6 THRESHOLD WEB PER SRM 51-40-02-0G-0 AND DWG 146A8340 REV A