As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R4 PAX & CREW DOOR HARD TO CLOSE. DETAILED VISUAL INSPECTION, NOTED NO FAULTS ATTRIBUTING TO REPORTED DIFFICULTY. LUBRICATED R4 DOOR LATCH CRANK ROLLERS MECHANISM IAW AMM 12-21-18. OPERATIONAL CHECK VERIFIED INTEGRITY OF R4 DOOR. ACFT RELEASED TO SERVICE.