As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)ON APPROACH WHEN GEAR SELECTED DID NOT GET A GEAR IN TRANSIT LIGHT OR A GEAR DOWN AND LOCKED LIGHT FOR THE PORT MAIN LANDING GEAR. TWO MORE SELECTIONS NO SUCCESS. AIRCRAFT RETURNED, EMERGENCY GEAR LOWE RING CARRIED OUT. LH MAIN LANDING GEAR DOWN LOCK MICROSWITCH REPLACED.