What was found
THE SUBJECT START-GEN WAS TEMPORARILY REMOVED FROM SERVICE FOR A PRECAUTIONARY BEARING INSPECTION. TSO WAS 504 HOURS. NEW BEARINGS FROM AN AUXILEC APPROVED DISTRIBUTOR WERE INSTALLED DURING OVERHAUL. INSPECTION OF THE SUBJECT BEARING FOUND IT COULD NOT BE ROTATED BY HAND. THE INNER RACE WAS OVERHEATED AS INDICATED BY A BLUE COLOR. THE OUTER RACE APPEARED TO BE A NORMAL COLOR. THE ARMATURE SHAFT SHOWED NO SIGNS OF THE RACE SPINNING. THE COLOR OF THE BEARING RETAINERS ALSO INDICATED OVERHEATING. A NEW BEARING WAS INSTALLED AND PART WAS OVERHAULED PRIOR TO IT BEING RETURNED TO SERVICE. BEARING WAS MFG WITH TOO LITTLE OR NO RADICAL CLEARENCE, AND THIS LEAD TO OVERHEATING AND IMMINENT FAILURE OF BEARING.