As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR HIDDEN DAMAGE: CORROSION ON SPLICE STR 21R BTW FS=319.70 / FS=349.00 AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT (E/E) (SM). IN REFERENCE JOBCARD NRB R25120. SUMMARY OF NRC:00177 CORROSION LEVEL:2. SPLICE STR 21R BTW FS=319.70 / FS=349.00 AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARMENT (E,E) WAS REPLACED PER PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01.