What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED UPON ARRIVAL INTO DFW. DURING CRUISE FLIGHT ENGINE 1 OIL QUANTITY CONTINUED TO DROP. AFTER APPROXIMATELY 2 HOURS OIL QUANTITIES AT 0.5 QUARTS. FLIGHT CREW REDUCED THRUST AND ENGINE OPERATED AT IDLE FOR LAST 45 MINUTES OF FLIGHT. ENGINE CONTINUED TO RUN. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. **ORIGINAL REPORT WAS AALA202303245540** MAINTENANCE FOUND THE LEFT ENGINE ACCESSORY DRIVE GEAR BOX GARLOCK SEALS FOR THE IDG AND THE HYDRAULIC PUMP LEAKING. REPLACED BOTH GARLOC SEALS AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK WITH NO LEAKS NOTED. (ALSO SEE AALA202304048961)