As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R1 DOOR ARMING MECHANISM JAMMING. REMOVED FROM SERVICE. PERFORMED GVI OF R1 DOOR AND FOUND TO BE CONTAMINATED WITH ICE IN AREA OF VENT FLAP. REMOVED ICE AS REQUIRED, CYCLED ARMING MECHANISM AND OBSERVED NORMAL FUNCTION AND INDICATION. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.