As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD MAIN CABIN DOOR STICKY. HARD TO OPEN.REMOVED FROM SERVICE. UPON ARRIVAL AT A/C DOOR OPENED NORMALLY WITH SMALL CHUNKS OF ICE NOTED. CLEANED DOOR AND SEAL AREA. C/W AN OPS CK IAW Q400 AMM 52-11-00-710-802. A/C OK FOR SERVICE. COULD NOT DUPLICATE. NO PARTS REPLACED. RETURNED TO SERVICE.