What was found
FLT 6584 - BOS-SWF - DURING TAKEOFF, EXPERIENCED A LEFT ENGINE EGT FLUCTUATION WITH THE SRL ON. EGT WAS STABLE WITH THE SRL OFF. NOTIFIED MAINTENANCE CONTROL AND SRL SYSTEM WAS DEFERRED UNDER DMI 50763 MEL CODE 76-1. AIRCRAFT WAS THEN RELEASED FOR SERVICE. AIRCRAFT ARRIVED AT IAD WHERE MAINTENANCE TROUBLESHOT SYSTEM AND FOUND ZONE 2 CANNON PLUG AND T-2 CANNON PLUG DIRTY. CLEANED CANNON PLUGS AND PERFORMED REQUIRED CHECKS. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (M)