As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IAW AMM 24-30-00 501 DC GENERATION-ADJUSTMENT/TEST. GENERATOR VOLTAGE MUST BE WITHIN 0.3 VOLTS OF EACH OTHER. WHEN REPLACING COMPONENTS IN THE GENERATOR SYSTEM, A CHECK OF THE GCU'S VOLTAGE IS RECOMMENDED AS NUMEROUS HOURS OF TROUBLESHOOTING AND PARTS REPLACEMENT WILL OCCUR. (TC NR 20051214001)