As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE AT 0 PSI, MAINTENANCE CONFIRMED THE DAMPER AND EMERGENCY OPERATION CYLINDER WAS LEAKING AND REPLACED THE DIAPHRAGM IN THE PERCUSSION MECHANISM OF THE DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.