As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR EXTENSION, THE LEFT MAIN LANDING GEAR DID NOT INDICATE DOWN AND LOCKED. THE LANDING GEAR WAS CYCLED; NO CHANGE IN INDICATION. THE FLIGHT DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT MAIN GEAR INDICATOR ASSEMBLY. SYSTEM TESTS WERE SATISFACTORY.