What was found
DURING HEAVY MAINTENNACE, CORROSION WAS DISCOVERED ON THE AFT CABIN FLOOR SUPPORT Y464 AT FRAME 66 + 5 , UPPER FACE AROUND BARREL NUT HOLE,; REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 53-00-14-283-002 , AND 51-42-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENNACE, CORROSION WAS DISCOVERED ON THE AFT CABIN FLOOR SUPPORT Y464 AT FRAME 66 + 5 , UPPER FACE AROUND BARREL NUT HOLE,; REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 53-00-14-283-002 , AND 51-42-11.