As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS THE AFT SERVICE DOOR WILL NOT OPEN FROM THE INSIDE. MAINTENANCE INSPECTED THE DOOR AND FOUND THE EXTERNAL HANDLE STRIKING THE AFT FLAP COVER. THE FLAP COVER, SPRING, AND HINGE PIN WERE REPLACED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.