As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTS LOUD SQUEAL FROM PAX CABIN DOOR. WHEN CALL WAS MADE TO FLIGHT DECK ACFT ALT 24000 & CLIMBING TO FL 30000 CABIN DIFF 7.1 PSI CABIN PRESSURE DIFF CHECKED NORMAL IN ALL PHASES OF FLIGHT. CLEANED DEBRIS FROM DOOR SEAL & PERFORMED VISUAL INSPECTION OF SEAL IAW AMM 52-11-10. NO DEFECTS NOTED AT THIS TIME.