As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOFEATHER TEST FAILED, SHOWS ABORT BELOW BOTH A/F TEST. REMOVED FROM SERVICE. NOTED FADEC 2 DU ON ED AND FAULT CODE 30 B IN CDS. FOUND THE CIRCUIT BREAKER LT ESS K6 PROP 2 PEC B OPEN. RESET THE CIRCUIT BREAKER IAW GPM 9.2.2.1. NO MESSAGE ON ED, FAULT CODE 30 B CLEARED, CIRCUIT BREAKER REMAINS CLOSED, AND AUTOFEATHER TEST PASSED. NO FURTHER DEFECTS. RETURNED TO SERVICE. NO PARTS REPLACED.