As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO PIT BILGE INTERCOSTAL STA 827-847 RBL 6 WL 155 HAS CORROSION ON INBOARD SIDE EMITTING FROM VERTICAL STIFFNER / REMOVED CORROSION FROM AFT CARGO PIT BILGE INTERCOSTAL STA 827 - 847 RBL 6 IAW B737 SRM 53-00-04-1A-1. FOUND TO BE OUT OF LIMITS ORIG .040' REMAIN .025' LOSS .015'IAW B737 SRM 53-00-04-1A-1. REMOVED & REPLACED INTERCOSTAL W/NEW P/N 146A8132-14 IAW B737 SRM 51-40-02-0G-0 & BOEING DWG 146A8130 REV B.