As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - FLT 1836 - IN PREPARATION FOR LANDING AT LGA, FROM PIT, CREW DID NOT RECEIVE A LEFT MAIN LANDING GEAR GREEN LIGHT AFTER GEAR EXTENSION. CHECKED THE BULB AND IT WAS JAMMED. CREW ACCOMPLISHED AN EMERGENCY GEAR EXTENSION AND A VISUAL THROUGH THE PERISCOPE WHICH INDICATED THE GEAR WAS DOWN. AN EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LEFT MAIN LANDING GEAR GREEN LIGHT BURNED OUT. RELAMPED LIGHT. OPERATIONAL TEST GOOD. (M)