What was found
FLT 1475 - BTV-PHL - ON APPROACH TO PHL OVER OUTER MARKER, LANDING GEAR WAS SELECTED DOWN. BLUE GEAR INTRANSIT LIGHTS ILLUMINATED BUT GREEN DOWN AND LOCKED LIGHTS NEVER ILLUMINATED. RECYCLED GEAR TWICE. HEARD GEAR FALL BUT NEVER RECEIVED GREEN LIGHTS. TOWER CONFIRMED GEAR DOWN AND LOCKED. EMERGENCY WAS DECLARED AND PASSENGERS WERE BRIEFED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE SECURED LOOSE CONNECTOR TO GEAR INDICATION MODULE. OPERATIONAL CHECK GOOD. (M)