What was found
DURING DAILY SYSTEMS NR 2 ENG FAILED AUTO FEATHER CHECK. REMOVED FROM SERVICE. FOUND FAULT CODES 494AB, 228AB, AND 206AB IN CDS FOR NR 2 ENG. C/W FIM 61-20-10-810-826. PERFORMED OPS TEST OF PROP AUTO FEATHER AN UPTRIM SYSTEM IAW AMM 61-20-00-710-810. TEST FAILED ON NR 2 SIDE. SAME CODES. CYCLED A/C POWER. CODES REMAIN. CLEARED PEC FAULTS IAW AMM 61-20-36-070-801. ALL CODES EXCEPT 494 CLEARED. PERFORMED AF TEST AGAIN PER AMM 61-20-00-710-810. TEST PASSED. CLEARED PEC FAULTS AGAIN. 494 NO LONGER SHOWS. RAN NR 2 ENG TWICE WITH NO ISSUES. PERFORMED LAST AF TEST PER SAME AMM. TEST PASS AGAIN. NO FAULTS. NO FURTHER DEFECTS NOTED AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.