What was found
DURING HEAVY MAINTENANCE, FOUND LT AFT FUSELAGE FLOORBEAM HAS CORROSION AT FRAME 68 Y765. REPLACED THE FLOORBEAM 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 LT AFT FUSELAGE FLOORBEAM HAS CORROSION AT FRAME 68 Y765. REPLACED THE FLOORBEAM SRM 51-42-11.