What was found
DURING HEAVY CHECK MAINTENANCE, CORROSION WAS DISCOVERED ON FLOORBEAM FRAME 12-16, -Y81 RT. R & R FLOORBEAM IAW SRM 51-72-11 & SRM 51-42-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE, CORROSION WAS DISCOVERED ON FLOORBEAM FRAME 12-16, -Y81 RT. R & R FLOORBEAM IAW SRM 51-72-11 & SRM 51-42-11.