As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FROM ATL-FNT, THE CREW NOTICED THE NR 1 HYDRAULIC SYSTEM QUANTITY HAD FALLEN TO 45 PERCENT. THE QRH WAS COMPLIED WITH AND AN EMERGENCY WAS DECLARED. THE AIRCRAFT DIVERTED TO CVG AND LANDED SAFELY. MAINTENANCE INSPECTED AND SERVICED THE NR 1 HYDRAULIC SYSTEM. OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)