What was found
NR 1 PROPELLER DID NOT COME OUT OF FEATHER AFTER START. REMOVED FROM SERVICE. COMPLIED WITH FIM 61-20-00-810-804, INTERROGATED CDS IAW AMM 45-00-73-742-801, FOUND FAULT CODES NR 1 ENGINE, CH A 132 AND CH B 132. PERFORMED PEC FAULT CLEARING IAW AMM 61-20-36-070-801. PERFORMED TWO STARTS OF BOTH ENGINES 1 AND 2 IAW AMM 61-20-00-710-801 AND AMM 61-20-00-710-803. OPS CHECKED GOOD, PEC CODES DID NOT RETURN. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.