What was found
AUTOFEATHER DID NOT ARM ON T/O. ABORTED TAKEOFF 90 KNOTS. FOUND FAULT CODE IN CDS NR 1 PROP 206A/B. C/W AUTO FEATHER TEST AND UPTRIM SYS REF AMM 61-20-00-710-801. AUTO FEATHER TEST FAILED ON NR 1. DUE TO HISTORY OF NR 1 PEC. R & R NR 1 PEC IAW AMM TASK 61-20-36-000-801, 61-20-36-400-801, MAINTENANCE 6710006. ALL ENGINE RUN, OP'S CHECK GOOD. OP'S TEST OF THE PROP AUTOFEATHER AND UPTRIM SYS IAW AMM TASK 61-20-00-710-801. OPS CHECK GOOD. WITH AUTOFEATHER SELECTED AND CL TO 1020, NUMERIOUS TIME MOVED PL ABOVE FLIGHT IDLE AROUND 57 TORQUE ON THE BOTH ENGINE. AUTO FEATHER ARMS INDICATION COMES ON ED. NO OTHER RELATED FAULT NOTED IN CDS. CHECK FLIGHT GOOD. RETURNED TO SERVICE.