What was found
FLT 604 - PID-PBI - PILOT REPORTED, NR 4 ENGINE LOST OIL PRESSURE. SHUT DOWN ENGINE IN FLT. THE AIRCRAFT WAS INSPECTED AND FOUND TO BE SAFE FOR 3 ENGINE FERRY FLIGHT TO FLL MAINTENANCE BASE. INSPECTION OF AIRCRAFT FOUND PRESSURE OIL LINE LEAKING AND HYDRAULIC PUMP GARLOCK LEAKING. MAINTENANCE REPLACED PRESSURE OIL LINE AND GARLOCK SEAL. LEAK CYCLED. NO LEAKS FOUND. AIRCRAFT RETURNED TO SERVICE. (M)