As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: MAINTENANCE FOUND R4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER EMPTY, WILL NOT HOLD PRESSURE. MAINTENANCE REPLACED THE DIAPHRAGM IN THE DAMPER AND EMERGENCY OPERATION CYLINDER AND ACCOMPLISHED A SATISFACTORY LEAK CHECK PER AMM 52-10-00.