As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING NR 1 ENGINE, CONDITION LEVERS TO MAX. NR 1 PEC, NR 1 AC GENERATOR CAUTIONS ILLUMINATED, NR 1 PROPELLER FEATHERED ON ITS OWN. THE ED DISPLAYS A POWERPLANT MESSAGE. INTERROGATED CDS. FOUND FAULT CODES 130 AND 134 CH A AND B NR 1 ENGINE. COMPLIED WITH FIM TASK 61-20-03-810-815, PEC CAUTION AND P/P MESSAGE NO LONGER PRESENT. ACFT GENERATOR CAUTION IN FEATHER IS NORMAL INDICATION. PERFORMED OPS TEST IAW AMM TASK 24-21-00-710-801. NO DEFECTS NOTED. RETURNED TO SERVICE.