As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DOOR 4R PRESSURE WARNING. CHECKED AND FOUND DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW ON THE R4 DOOR. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER IAW AMM 52-10-00-614-001-A. PRESSURE WARNING EXTINGUISHED. OK FOR SERVICE NOW.