What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CABIN Y1292 FLOORBEAM FR 68+8" STR 23L LOWER SKIN SURFACE; R & R FLOORBEAM Y1292 IAW SRM 51-72-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CABIN Y1292 FLOORBEAM FR 68+8" STR 23L LOWER SKIN SURFACE; R & R FLOORBEAM Y1292 IAW SRM 51-72-11.