What was found
ON FLIGHT 3403 THE CREW REPORTED THAT JUST AFTER TAKEOFF, DURING GEAR RETRACTION THE LEFT GEAR INDICATION REMAINED IN TRANSIT. EICAS INDICATED LG/LEVER DISAGREE WARNING. THE CREW DECLARED AN EMERGENCY AND RETURNED TO ABI. THE CREW PERFORMED A FLY BY TO VERIFY THE LANDING GEAR WAS INDEED DOWN. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED TROUBLESHOOTING IAW EMB 140 FIM 32-32-00. FOUND LEFT AND RIGHT MAIN LANDING GEAR UPPER AND LOWER UPLOCK PROX SWITCH CONNECTORS LOOSE. RESECURED LT/RT MLG UPLOCK CONNECTORS AND PERFORMED PRIMARY AND ALTERNATE OPERATIONAL CHECK OF UPLOCK PROX SWITCHES IAW EMB 140 AMM 32-63-05. THE OPERATIONAL CHECK WAS GOOD. REAPPLIED CORROSION PROTECTION TAPE IAW ETN EM-32-176. PERFORMED LANDING GEAR EXTENSION AND RETRACTION IAW EMB 140 AMM 32-30-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.