As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YVR FLIGHT NR 2035 - DURING NR 2 PROP TRANSITION FROM START/FEATHER TO 1200, RUD FULL PRESS CAUTION LIGHT INTERMITTENTLY ILLUMINATED SOMETIMES STAYING ON FOR A COUPLE OF MINUTES, SOMETIMES JUST A FEW SECONDS. REMOVED PANEL 322HR. CLED AIR FROM NR 2 RUDDER PCU. REPLACED NR 2 RUDDER FULL PRESSURE CAUTION SWITCH. OPERATIOINAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.