As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SER WHISTLING NOISE DOOR IN FLIGHT CABIN CREW REPORTED THAT THEY HAD A WHISTLING NOISE INTERMITTENTLY FROM DOOR 2R. IT WOULD COME AND GO. AFT SERVICE DOOR SEAL INSPECTED, FOUND DOOR SEAL WORN AND TWO CRACKS LOCATED ON UPPER RT SIDE OF THE DOOR PRESSURE SEAL. PRESSURE SEAL REPLACED. (TC NR 20180223003).