As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF A HYDRAULICS FLUID. DROPPED TO 20%.<[01] INSPECTED; FOUND HYDRAULIC LEAK COMING FROM A SYSTEM HYDRAULIC PUMP ACOUSTIC FILTER INLET UNION (SWIVEL ELBOW). REMOVED AND REPLACED THE SWIVEL ELBOW PACKING. OPERATION & LEAK CHECKS GOOD. REF. AMM 29-11-27. REPLENISHED ?A? HYD SYSTEM.