What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CABIN FLOOR TOP BEAM UPPER SURFACE FR 67-68 RBL 46. REMOVED AND REPLACED BEAM AT FR 67-68 RBL 46 PER SRM 51-42-11 & DWG D53472172.
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 UPPER SURFACE FR 67-68 RBL 46. REMOVED AND REPLACED BEAM AT FR 67-68 RBL 46 PER SRM 51-42-11 & DWG D53472172.