As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, WHEN THE LANDING GEAR WAS LOWERED THE RED UNSAFE LIGHT ILLUMINATED AND NO GREEN DOWN INDICATION FOR THE LT MAIN GEAR. CREW USED THE EMERGENCY GEAR EXTEND PROCEDURE IAW THE CHECKLIST, DECLARED AN EMERGENCY AND DIVERTED. ACFT LANDING WAS UNEVENTFUL. MX REPLACED THE LT GEAR ACTUATOR. LEAK AND OPS CHECKS WERE GOOD. ACFT WAS RETURNED TO SERVICE.