As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED UNDER AMBER ALERT DUE TO LOW -A- SYSTEM HYDRAULIC PRESSURE PROBLEM. ON SUBSEQUENT FLIGHTS ON GEAR RETRACTION GOT MASTER CAUTION SIX PACK HYDRAULIC LIGHT WITH BOTH A-SYSTEM LOW PRESSURE LIGHTS ON. SYSTEM-A PRESSURE 3000+ AND QTY 84% AFTER GEAR RETRACTION.