As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2924099) WHILE ON THE LINE IN DTW, MTC REPORTED DAMAGE COMMON TO THE FUSELAGE SKIN UNDERLYING THE FWD TFTS AIRPHONE ANTENNA AT BS 747 - 767 AND BL0. THE ANTENNA WAS REMOVED AND MTC FOUND CORROSION TO THE FUSELAGE SKIN UNDERNEATH THE BASE OF THE ANTENNA. DAMAGE AND CORROSION REPAIRED PER ERA 611386-14.