As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR PRECATCH: THE MAIN CABIN DOOR WILL NOT OPEN WHEN MOVING TO THE UNLOCK POSITION. CREW CYCLED DOOR MULTIPLE TIMES. PERFORMED OPERATIONAL CHECK OF THE DOOR AND ALL CHECKED GOOD. LUBE AND INSPECTED PRECATCH AND ALL LOOKS GOOD. ALL WORK DONE IAW AMM 52-10-00