What was found
HYDRAULIC COOLING FAN LEAKING HYDRAULIC FLUID. HYDRAULIC SYS DEPLETED IN FLIGHT. DECLARED EMERGENCY AND RETURNED TO DEPARTURE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HYDRAULIC COOLING FAN LEAKING HYDRAULIC FLUID. HYDRAULIC SYS DEPLETED IN FLIGHT. DECLARED EMERGENCY AND RETURNED TO DEPARTURE.