As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING MAINTENANCE SERVICING, ENGINEER FOUND STARTER GENERATOR WARM. AIRCRAFT ENGINE WAS COLD AND NO ATTEMPTED STARTS HAD BEEN MADE. MAINTENANCE INSPECTION FOUND FAULT CAUSED BY GENERATOR CONTROL UNIT. DC GENERATOR CONTROL UNIT REPLACED. AIRCRAFT RETURNED TO SERVICE.