As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R1 DOOR SQUEALS. F/A AND NOTED LOUD AND VERY ANNOYING NOISE COMING FROM ALONG TOP SIDE OF MED GATE AREA. LASTED ENTIRE FLT, BUT DURING T/O AND DESCENT, IT ONLY HAD A HIGH PITCH SQUEAL. ON ARRIVAL, CHECKED DOOR SEALS AND PREVIOUS REPAIRED AREAS. ALL OK. REPLACED R1 DOOR SEAL ASSY DUE TO ABNORMAL SEAL SHAPE. PRESSURIZED ACFT AND NO LEAK PRESENT. SEAL REPLACED IAW MM 52-09-01.