As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3285 - AFTER DEPARTURE FROM MLI, BOTH HYDRAULIC PRESSURE CAUTION LIGHTS ILLUMINATED AND THE HYDRAULIC PRESSURE DROPPED TO ZERO. THE CREW ELECTED TO RETURN TO MLI AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED A HYDRAULIC PUMP PRESSURE LINE IN THE RIGHT NACELLE. ALL SYSTEMS OPERATED SATISFACTORILY. (M)