As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER THE FAIL SAFE TRIM OUT PROCEDURE, THE INTERNAL SURFACE OF THE RT SIDE FUSELAGE SKIN WAS FOUND TO BE CORRODED AT FAILSAFE TRIM OUT AREA. THE CORROSION WAS REMOVED, AREAS SPOT FACED AND FILLERS INSTALLED IAW ENGINEERING DOCUMENT 47008ORD10. REF SB767-53A0100, REV 3 AND SB767-53-0116 AS MANDATED BY AD 2012-09-04.