As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO FIELD DUE TO INDICATION OF LOSS OF HYDRAULIC FLUID. HYDRAULIC FLOW LIMITER PACKINGS WERE LEAKING AT THE UNIONS, THE PACKINGS WERE REPLACED. THE LEFT HYDRAULIC SYSTEM WAS SERVICED AND LEAK CHECKED OK. AIRCRAFT WAS RETURNED TO SERVICE.