What was found
ABORTED TAKEOFF DUE TO AUTOFEATHER NOT ARMING WITH POWER LEVERS IN RATING DETENT. ABORTED AT 50 KNOTS. PERFORMED EMU DOWNLOAD IAW MAINTENANCE 6773101. INTERROGATED CDS AND FOUND FAULT CODE 204 ON CHA, CHB OF NR 2 ENGINE. R & R POWER QUADRANT IAW AMM TASK 76-10-01-000-801, -400-801. OP'S TEST OF PROPELLER AUTOFEATHER AND UP TRIM SYSTEM CHECKS GOOD. NO FAULTS NOTED IN CDS. COMPLETED FREEDOM OF MOVEMENT CHECK, ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT, NO DEFECTS NOTED IAW GPM 9.2. FREEDOM OF MOVEMENT CHECK.