As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT WHILE REDUCING POWER FROM 1200 LBS TORQUE TO IDLE NR1 ENGINE TRIED TO AUTOFEATHER. MX R & R LT & RT LOW PRESSURE AUTOFEATHER SWITCHES & RIGGED LT & RT ENGINE TORQUE IAW AIM CH 7, SECTION 7.5 & BMM 61-21-01, OPS CK GOOD.