As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE LEVEL FLIGHT, 'A' HYDRAULIC SYSTEM QUANTITY DECREASED STEADILY TO 1.6 GALLONS. AIRCRAFT DIVERTED TO GTF AND LANDED WITHOUT INCIDENT. REPLACED HYDRAULIC QUANTITY INDICATOR AND PERFORMED SYSTEM LEAK CHECK. SYSTEM CHECKED OK.