As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: BOTTLE PRESSURE FOR 4L DOOR INDICATES LOW ON CIDS PANEL. ACTUAL BOTTLE PRESSURE AT 4L DOOR IN THE GREEN. MAINTENANCE SERVICED THE DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00 AND FAULT MESSAGE CLEARED.