What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CABIN FLOOR TOP BEAM FR 68 LBL 45. REMOVED AND REPLACED BEAM PER SRM 51-42-11.
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 FLOOR TOP BEAM FR 68 LBL 45. REMOVED AND REPLACED BEAM PER SRM 51-42-11.