As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS DOOR 3L SQUEALS AT ALTITUDE. 7.9 PSI. WHILE PERFORMING DETAILED INSPECTION OF 3L DOOR SEAL MAINTENANCE FOUND THAT THE 3L DOOR SLIDE BUSTLE ATTACHMENT END WAS GETTING CAUGHT UNDER DOOR, REPOSITIONED THE SLIDE BUSTLE ATTACHMENT END AND PERFORMED A SATISFACTORY PRESSURIZATION TEST OF LEAK CHECK OF THE FUSELAGE WITH NO LEAKS OR SQUEALS NOTED,