As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT OUT OF SERVICE DUE TO C8 S2 CHECK. MAIN CABIN AFT FLOOR SUPPORT BEAM AFT OF SEAT TRACK BEAM Y 1732 HAS CORROSION AT FR 68. REMOVED CORROSION ON AFT CABIN FLOOR SUPPORT BEAM IAW SRM 51-74-00 & FOUND TO BE OUT OF LIMITS IAW SRM 53-00-14 PB 101 FIG 102, SH 1. R & R FLOOR SUPPORT BEAM IAW SRM 51-42-11 FIG 5 & 7.