As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 3A LOW PRESS CAUTION 1800 PSI. REQUIRED EMERGENCY GEAR EXTENSION. AFTER EXTENSION DOWN TO 1500 PSI QTY IN FLIGHT SHOWN 80 PERCENT BEFORE GEAR EXTENSION. ON GROUND WITH BOTH PUMPS ON QTY DOWN TO 5 PERCENT. FLUID AROUND RT MAIN GEAR. FO: REPLACED 3A PUMP, LEAK CHECK GOOD. PERFORMED GEAR SWINGS AND ALTERNATE EXTEND. ALL OPS CHECK GOOD. CLEANED RESIDUAL FLUID.