As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2092 AUTOFEATHER ARMED LIGHT DID NOT ILLUMINATE UNTIL ABOUT 80 PERCENT TORQUE ON TAKEOFF ROLL. AFTER ARMING LIGHT EXTINGUISHED AT APPROXIMATELY 80 KTS, MAINTENANCE REPLACED NR 2 ENGINE PCU. GROUND RUNS AND OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.