As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR BEAM STA 328 UPPER CAP LOWER SURFACE IS CORRODED AT FASTENER HOLE RBL 50. GROUNDED - YES. REMOVED CORROSION ON FLOOR BEAM STA328 RB2-50. REMOVED .029 REMAINING .096 ORIGINAL THICKNESS .125 OUT OF LIMITS IAW B737-800 SRM 53-10-51. ACCOMPLISHED REPAIRED IAW B737-800 SRM 53-10-51, STRAP REPAIR. THIS IS A CLASS A REPAIR. REMOVED DOT.