As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A-SYSTEM QUANTITY DECREASING AT TOP OF CLIMB. REPLACED NR 2 A-SYSTEM PUMP FOR LEAKING AT MATING SURFACE. BLED A-SYSTEM AND SERVICED HYDRAULICS. REPLACED NR 1 & NR 2 CASE DRAIN FILTERS. NO FINDINGS IN REMOVED FILTERS. LEAK & OP CHECKED GOOD.