As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 652 DURING SCHEDULED MOD IN MSP OCT 2018, MTC WAS ACCOMPLISHING EO 2330-01349 2KU ANTENNA INSTALLATION. DURING THE PROCESS, MTC FOUND EXISTING. THE DENTS ARE SUSPECTED TO BE FROM A HAIL STORM WHICH RECORDS REVIEW INDICATES HAVE NOT BEEN PREVIOUSLY EVALUATED. CORRECTIVE ACTION: REF ERA 572426-14 REV A.