As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SERVICE DOOR AMBER MESSAGE ON CLIMBOUT. ACFT NOT PRESSURIZING NORMALLY. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, R & R GALLEY SERVICE DOOR LATCH MECHANISM IDLER SHAFT BEARING AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.