As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT THE 1L CHECK DOOR PRESSURE AMBER LIGHT ILLUMINATED AFTER DOORS ARE ARMED. FLIGTH CREW CYCLED ARMING DOORS AND INDICATION REMAINS. MAINTENANCE SERVICED THE L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.