As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN DOOR WAS WHISTLING BADLY AND CABIN WOULDN'T PRESSURIZE ABOVE 6.2 PSI. RAMPERS LEFT THE SIDE SERVICE DOOR OPEN. RETURNED TO SLC. CHECKED PRESSURIZATION IAW MM 21-31-00. ALL CHECKS GOOD. CLEANED AND INSPECTED PASSENGER AND SERVICE DOOR SEALS WITH NO DEFECTS NOTED. PRESSURIZED AIRCRAFT, ALL CHECKS GOOD AND NO SQUEALS NOTED.