As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING THRU 8500 FT CREW RECEIVED AN AFT DOOR OPEN INDICATION. CREW LEVELED OFF AT 10000 FT, RAN QRH AND NOTED THAT THE PRESSURIZATION WAS NOT OPERATING NORMALLY. CREW DID NOT DECLARE AN EMERGENCY AND ELECTED TO RETURN TO WHERE THEY LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND ADJUSTED COMMAND RAMPS ON THE R2 DOOR FORWARD SIDE AND PRESSURIZED THE ACFT IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.