As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH CREW SELECTED GEAR DOWN. THE LT MLG WOULD NOT EXTENDED. LT MLG RED GEAR UNSAFE LIGHT CAME ON. GEAR EMERGENCY AIR SYSTEM ACTIVATED, RED LIGHT STAYS ON. ALTERNATE MEANS USED TO CONFIRM GEAR WERE DOWN AND LOCK. AIRCRAFT LANDED AND MAINTENANCE REPLACED THE LT MLG ACTUATOR.