As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSIN ON AFT CABIN FLOOR BEAM Y-1292 AT FR66. (A3NB-53-3-6222 ) BLENDED OUT CORROSION ON AFT CABIN BEAM Y-1292 AT FR66 IAW SRM 5 ING BFM 1-74-00 FIG 1. FLOOR BEAM FOUND TO BE OUT OF LIMITS IAW SRM 53-0 0-15-283-002 L=4.0" W=2.0" D=.046". REMOVED AND REPLACED FLOOR B EAM Y-1292 AT FR66 IAW SRM 51-42-11 AND 53-41-14-16 SFR# 1026595 MAINTENANCE ACCOMPLISHED BY V933866 ON WC 0014614 AT ST ENGINEER