As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FOUND DOOR ASSIST PRESSURE AT 0 PSI.MAINTENANCE REPLACED FWD LH DOOR DIAPHRAGM IN THE PERCUSSION MECHANISM OF THE DOOR DAMPER AND EMERGENCY OPERATION CYLINDER OF THE PASSENGER/CREWDOORS IAW WITH AMM 52-10-00.