As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE MACHINED INTERCOSTAL STA 986-STA 1006 RBL32 CORRODED. GROUNDED - YES. REMOVED CORROSION. ORIGINAL THICKNESS 0.080. REMAINING THICKNESS 0.050, REMOVED 0.030 OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1 PARA 4A. DRILLED TO FIT NEW INTERCOSTAL IAW B737-800 SRM 51-40-05 AND BAC DWG 147A5700 REV A . INTERCOSTAL INSTALLED ON N/R 29593 CUSTOMER CARD G1954093.