As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPARTMENT STA 787+2; RBL 25 AND WL 157 NUTPLATE STRIP UNDER THESHOLD CHORD HAS CORROSION. / EVALUATED CORROSION ON AFT CARGO NUTPLATE STRIP UPPER THRESHOLD CHORD @ STA 787+2 RBL 25 FOUND OUT OF LIMITS NO WRITTEN LIMITS FOUND. REPLACED WITH NEW NUTPLATE STRIP P/N 146A8128-17 IAW B737 SRM 51-40-02-0G-0 & BOEING DWG 146A0081 REV A