What was found
ON APPROACH, PILOT SELECTED LG HANDLE TO THE RETRACT POSITION, LG WOULD NOT RETRACT. PILOT NOTICED LOW HYD PRESSURE & FOLLOWED ESTABLISHED EMER PROCEDURES IN THE PILOT POH. MANUALLY EXTENDED LG, RECEIVED THREE GREEN DOWN & LOCKED INDICATION LIGHTS & LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING REVEALED FAULTY LT MLG ACTUATORS, REPLACED BOTH LT MLG ACTUATORS WITH SERVICEABLE UNITS. PERFORMED LANDING OPERATIONAL CHECKS, ALL SYS CHECKS WERE NORMAL.