What was found
WHILE IN CRUISE FLIGHT FROM SUX SYSTEM 'A' HYD SHOWED A SLOW FLUID LOSS. ACCOMPLISHED ABNORMAL PROCEDURES THEN DIVERTED TO ATL AND LANDED WITHOUT INCIDENT. FLUID QTY AND LANDING 2 GALLONS. FOND NR 1 ENGINE CASE DRAIN LINE IN SECITON 48 LEAKING. INSTALLED TEMPORARY FLEX LINE FROM SECTION 48 THROUGH TO RIGID LINE FROM FILTER MODULE IN SECTION 48. REPLACED CASE DRAIN FILTERS AS PRECAUTIONARY MEASURE. RAN NR 1 AND 2 ENGINES, MOVED ALL FLIGHT CONTROLS THROUGH FULL TRAVEL. LEAK AND OPERATIONAL CHECK NORMAL. ACCOMPLISHED PER MM 29-11-41, 29-10-00 AND 20-10-12. AIRCRAFT RETURNED TO REVENUE SERVICE IN ATL. (M)