As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING START TEST THE STARTER WOULD NOT DISENGAGE WHEN THE START BUTTON WAS RELEASED. THE GPU HAD TO BE DISCONNECTED FOR STARTER TO DISENGAGE. START RELAY WAS FOUND WITH HIGH RESISTANCE, 1.7 MEG OHM, COMPARED TO STARTER FROM STORES, 14 OHMS. THE RESISTANCE WAS ACROSS X1 AND X2 TERMINALS. START RELAY REPLACED AND ACFT RETURNED TO SERVICE AFTER SERVICEABLE START TEST.