As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REPLACING LOOSE SEALER AT THE FUSELAGE STATION 900 SPLICE CORROSION WAS FOUND. THE CORROSION EXTENDED FROM STR 16R TO STR 13R ON THE STA 900 SPLICE STRAP. THE SPLICE STRAP WAS REMOVED AND REPLACED DUE TO THE CORROSION BEING OUT OF LIMITS.