As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING SCHEDULED R1 DOOR SLIDE CHANGE, MAINTENANCE FOUND DOOR DAMPER AND EMERGENCY OPERATION CYLINDER LEAKING. MAINTENANCE REPLACED DIAPHRAGM IN THE PERCUSSION MECHANISM OF THE R1 DOOR DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED.