As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT CIDS PANEL CAUTION CHECK DOOR PRESSURE 1L. MAINTENANCE REPLACED THE L1 DOOR ASSSIT BOTTLE DIAPHRAGM IN THE PERCUSSION MECHANISM PER AMM 52-10-00-610-001-A. AND ACCOMPLISHED A SATISFACTORY LEAK CHECK.