What was found
DURING ROUTINE MAINTENANCE, CORROSION WAS DISCOVERED ON CABIN FLOORBEAM Y503 AT FRAME 16. R & R FLOORBEAM Y503 IAW SRM 51-72-11, PN D5311282600200.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE MAINTENANCE, CORROSION WAS DISCOVERED ON CABIN FLOORBEAM Y503 AT FRAME 16. R & R FLOORBEAM Y503 IAW SRM 51-72-11, PN D5311282600200.