As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: L1 DOOR DIFFICULT TO OPEN OR WILL ONLY OPEN HALFWAY. MAINTENANCE NOTED THAT WHEN OPENING THE DOOR AT A NORMAL SPEED, A CLICK IS HEARD AROUND DAMPER AREA WHEN DOOR IS ABOUT HALFWAY OPEN. MAINTENANCE REPLACED THE L1 DOOR DAMPER AND EMERGENCY OPERATION CYCLINDER PER AMM 52-11-14. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.