As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STA 947 FLOOR BEAM AT LBL 25 FWD FLANGE TOP SURFACE CORROSION FOUND UNDER LAV MOUNT / EVALUATED CORROSION DAMAGE ON STA 947 FLOOR BEAM AT LBL 25 IAW B737 SRM 53-70-51-1A-1. ORIG .180' LOSS .050' REMAIN .130' OUT OF LIMITS TCAP REPAIRED ON NRC Y260890 P/N 147A5504-29