What was found
AIRCRAFT WAS GROUNDED - MAIN CABIN DOOR LOW PRESSURE WARNING ON FRONT FLIGHT ATTENDANT PANEL - MAINTENANCE SERVICED THE L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED - MAIN CABIN DOOR LOW PRESSURE WARNING ON FRONT FLIGHT ATTENDANT PANEL - MAINTENANCE SERVICED THE L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00