As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFFT WET AREA STA 947 FLOORBEAM CORRODED AT L/H I/B LAV MOUNT. GROUNDED - YES. BLENDED CORROSION ON FLOORBEAM STA 947 REMAINING MATERIAL FOUND OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1; REPAIRED FLOOR BEAM SECTION AT STA 947 IAW B737-800 SRM 53-70-51-2R-5.W= 1.5" O= .180" R= .149" L= 2." D= .031".