What was found
BOS-BGR - FLT 4709 - DURING TAKEOFF, THE OUTSIDE AIR TEMP LIGHT ILLUMINATED UPON GEAR RETRACTION. ALSO, NOTED AN INTERMITTENT CONFIGURATION WARNING WHEN THE PROPELLER WAS SELECTED BELOW MAX RPM. CREW FOLLOWED THEIR CHECKLIST AND RETURNED TO BOS WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS FERRIED TO BGR WHERE MAINTEANCE FOUND THE LEFT MAIN GEAR STRUT TO BE LOW . AFTER REPACKING AND RESERVICING THE LEFT MAIN GEAR STRUT AND PERFORMING ALL REQUIRED CHECKS. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)