LYNN – Fire broke out Monday morning in the gear plant building at the GE factory at 1100 Western Ave.Lynn firefighters used a ladder truck to enter the turbine operations structure from the rear and extinguish the blaze, which apparently was confined to a wall.GE Lynn spokesman Richard Gorham said the Lynn Fire Department responded to the alarm at approximately noon.”Reports indicate that sparks from a grinding operation ignited a small fire in some wall insulation on our Gear Plant building,” he said. “There were no injuries and damage is deemed minor.”Employees were briefly evacuated and later allowed to return to work.