As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2328 AFTER-START PROCEDURE, WHEN AUTOFEATHER WAS SELECTED, NR 1 PROP FEATHERED BUT THERE WERE NO INDICATIONS OF THAT EXCEPT PROP RPM 220. REPLACED THE OVERSPEED GOVERNOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.