As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: MAINTENANCE FOUND THE R1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER AT 0 PSI AND LEAKING WHEN TRIED TO SERVICE. REPLACED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PERCUSSION MECHANISM DIAPHRAGM PER AMM 52-10-00. A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED.