As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON AFT CABIN FLOOR BEAM Y-1162.5 AT FR68. (A3NB-53-3-6 222) BLENDED OUT CORROSION ON AFT CABIN FLOOR BEAM Y-1162.5 IAW SRM 5 ENGINEERING BFM 1-74-00 FIG 1. FLOOR BEAM FOUND TO BE OUT LIMITS IAW SRM 53-00-1 5-283-002 L=0.80" W=0.5" D=0.150". REMOVED AND REPLACED FLOOR BE AM Y-1162.5 AT FR68 IAW SRM 51-42-11 AND 53-41-14-01. SFR# 10265 93. MAINTENANCE ACCOMPLISHED BY V933866 ON WC 0014615 AT ST