As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR SUPPORT STA 994 RBL 32 - RBL 44 CORRODED. GROUNDED - YES. CORROSION IS IN AND AROUND HOLE. OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1 DRILLED TO FIT NEW FLOOR SUPPORT IAW B737-800 SRM 51-40-05 AND BAC DWG 147A5700 REV A. FLOOR SUPPORT INSTALLED ON N/R 29593 CUSTOMER CARD G1954093.