As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FORWARD EMERGENCY EXIT MAKING NOISE ON CLIMB AND DESCENT NOISE STOPPED ABOVE 10,000. RETURNED TO THE FIELD, LANDING UNEVENTFUL. FOUND DITCHING DAM LANYARD CAUGHT IN DOOR SEAL. CLEANED DOOR SEALS, REMOVED DEBRIS, AND PRESSURIZED A/C IAW Q400 AMM TASK 21-00-00-863-801