What was found
DURING HEAVY MAINTENANCE, FOUND LT AFT FUSELAGE FLOORBEAM HAS CORROSION AT SPLICE FRAME 66 Y1292. 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 LT AFT FUSELAGE FLOORBEAM HAS CORROSION AT SPLICE FRAME 66 Y1292. REPLACED THE FLOORBEAM IAW SRM 51-42-11.