As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS DURING A SCHEDULED 1-C INSPECTION TWO RIVETS WERE FOUND CORRODED UNDERNEATH THE SERVICE DOOR THRESHOLD. MAINTENANCE REMOVED AND REPLACED THE TWO RIVETS. ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED UPON COMPLETION OF C-CHECK INSPECTION.