As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STA 787-847 LH FLOOR PLATE WITH CORROSION. GROUNDED - YES. REMOVED CORROSION IAW B737-900 SRM 51-10-02. ORIGONAL THICKNESS IS .040", IAW B737-900 SRM 53-60-53 AND DWG BAC 1496-377. THE WORST AREA BEING .003" MATERIAL LOSS, .037" REMAINING. FOUND TO BE WITHIN LIMITS IAW B737-900 SRM 53-00-53. ALODINED IAW B737-900 SRM 51-20-01. PRIMED IAW B737-900 AMM 51-21-72.