What was found
FLT 9022 - PILOT REPORTS, LOW OIL PRESS NR 4 ENG AND NR 4 ENG OIL PRESSURE CAUTION LIGHT ON. PILOT SHUT DOWN NR 4 ENGINE. THE A/C WAS INSPECTED AND FOUND TO BE SAFE FOR FERRY FLIGHT TO FLL WITH THE NR 4 ENGINE SHUT DOWN. AFTER FERRY FLIGHT, INSPECTION FOUND NR 4 HYD PUMP GARLOCK SEAL LEAKING. REPLACED GARLOCK SEAL. PERFORMED PRESSURE CHECK AND LEAK CHECK, NO DEFECTS NOTED. AIRCRAFT RELEASED FOR SERVICE. (M)