As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, WHEN LANDING GEAR WAS SELECTED TO THE DOWN POSITION, RED LIGHT IN GEAR HANDLE DID NOT EXTINGUISH AND NO 3 GREENS WERE OBSERVED. QRH WAS COMPLETED AND A MANUAL EXTENSION PERFORMED LANDING GEAR DOWN AND 3 GREEN LIGHTS WAS CONFIRMED ON AND SAFE LANDING PERFORMED. REPLACED LANDING GEAR RETRACT LINE AND GEAR UP PRESSURE SWITCH.