As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON TOP OF MAIN CABIN FLOORBEAM AT BS 1682 RBL 48 BETWEEN PRESSURE DECK AND FLOORBEAM. REMOVED CORROSION ON TEE IAW SRM 51-10-02 PARA 15 FIG 1. TEE CAP FOUND TO BE 100% MATERIAL LOSS AND OUT OF LIMITS IAW SRM 53-00-51. REMOVED AND REPLACED UP PER TEE IAW EC/RA 5310-06 948.