As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOFEATHER FAILS TO TEST PROPERLY. #1 TORQUE SHOWS 100% & #2 TORQUE SHOWS 90% WHEN AUTOFEATHER TEST IS ACCOMPLISHED. POWER LEVERS ARE IN THE DISC POSITION AND AMBER FAILED MESSAGES APPEAR ON BOTH #1 & #2 ENGINES. REMOVED FROM SERVICE. REMOVED AND REPLACED #2 PEC IAW AMM 61-20-36-000/400-801. ALL OPS TESTS AND CALIBRATION GOOD. AIRCRAFT RETURNED TO SERVICE.