As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE ARMED DOOE 4L SHOWS DISARMED ON CIDS PANEL MAINTENANCE FOUND THE 4L DOOR ASSIST BOTTLE DIAPHRAGM DIMPLED CAUSING THE BOTTLE TO SLOWLY LEAK DOWN, REPLACED DIAPHRAGM (AALA202209227183) ALONG WITH THE SHRADER VALVE. (AALA202209228360) A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED PER AMM 52-10-00.