As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1753 - TPA - EES - FOUND DOOR L1 EMERGENCY ASSIST BOTTLE PRESSURE AT 0 PSI, PERCUSSION MECHANISM NOT ACTUATED. MAINTENANCE REPLACED DOOR L1 PERCUSSION MECHANISM DIAPHRAGM AND SEALS AND SERVICED DOOR ASSIST BOTTLE IAW AIRBUS MAINTENANCE MANUAL 52-10-00.