What was found
DURING HEAVY MAINTENANCE FOUND AFT CABIN FLOORBEAM JUST FWD OF FRAME 66 AT Y765 CORRODED. REPLACED THE FLOORBEAM IAW SRM 51-42-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE FOUND AFT CABIN FLOORBEAM JUST FWD OF FRAME 66 AT Y765 CORRODED. REPLACED THE FLOORBEAM IAW SRM 51-42-11.