As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE 4R DOOR SEAL SQUEAL AT ALT AND DESCENT FWD TOP. INSPECTED DOOR 4R DOOR SEAL AND DOOR FRAME FROM INSIDE AND FROM LIFT TRUCK, FOUND INNER DOOR FRAME COSMETIC SEAL PULLED OUT OF ITS TRACK AND INTERFERING WITH DOOR PRESSURE SEAL AT FWD TOP SIDE, SUSPECT THIS WAS CAUSE OF SQUEAL AT CRUISE AND DESCENT, ALSO CHECKED PRESSURE SEAL AND MATING SURFACE CLEANED DOOR SEAL PRECAUTIONARY.