As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK DUE TO LOSS OF SYSTEM A ENGINE PUMP AND SYSTEM FLUID UPON GEAR RETRACTION AFTER TAKEOFF. USED ALTERNATE GEAR EXTENTION TO LAND. FOUND NR 1 ENG HYD RETURN LINE FITTING LOOSE. REMOVED AND REPLACED FITTING AND O RING ASSY. INSPECTED RETURN FILTER FOR CONTAMINATION, ALL LEAK AND OPS CK GOOD.