What was found
RUDDER UPPER HINGE POINT, LOWER BRACKET HAS VERIFIED CORROSION AROUND ATTACH BOLT. HAND SANDED AREA OF CORROSION LOCATED ON UPPER RUDDER HINGE, LOWER PLATE, LT SIDE. FOUND CORROSION DAMAGE TO BE LEVEL 2, PER NJA GMM 2.2.2. REMOVED AND REPLACED CORRODED LOWER PLATE FROM RUDDER UPPER HINGE ASSEMBLY WITH NEW CUSTOMER SUPPLIED PART, IN REFERENCE TO CESSNA 680 SRM 51-40-06, SRM 51-40-03, MM 55-30-00, AND MM 20-30-10.