What was found
INSPECTION TYPE:N/A EMERGENCY DECLARED, NR 3 ENGINE HYDRAULIC CASE DRAIN FILTER DUE INSPECTION DUE TO LOSS OF HYDRAULIC PRESSURE. LANDED UNEVENTFUL AND TOWED TO RAMP TWO. REMOVED AND REPLACED NR 3 ENGINE HYDRAULIC CASE DRAIN FILTER IAW MM 29-1 0-15-2, FILTER WAS CLEAN, LEAK CHECK DUE. LEAK CHECK OF NR 3 ENG HYDRAULIC CASE DRAIN FILTER OK IAW MM 29-10-00.