As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS THE MAIN CABIN DOOR HARD TO OPEN. MAINTENANCE INSPECTED THE DOOR AND FOUND THE FORCE REQUIRED TO OPEN THE DOOR WAS 35 LBS. THE DOWN LIMIT STOP WAS ADJUSTED IAW THE AMM AND THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.