What was found
AIRCRAFT WAS GROUNDED: 4L DOOR ON FLIGHT ATTENDANT PANEL HAS CHECK DOOR PRESSURE MESSAGE. MAINTENANCE REPLACED 4L DOOR CYLINDER - DAMPER SCHRADER VALVE PER AMM 52-13-14. A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: 4L DOOR ON FLIGHT ATTENDANT PANEL HAS CHECK DOOR PRESSURE MESSAGE. MAINTENANCE REPLACED 4L DOOR CYLINDER - DAMPER SCHRADER VALVE PER AMM 52-13-14. A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED.