As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VENT DOOR IN MAIN CABIN DOOR WILL INTERMITTENTLY NOT CLOSE. VENT DOOR CAN THEN BE MANUALLY CLOSED OR AFTER MULTIPLE LOCK UNLOCK ATTEMPTS VENT DOOR CLOSES IN SEQUENCE WITHOUT MANUAL OPERATION. VENT DOOR IS STRIKING BRACKET 6611391-10 DURING SOLENOID ACTUATION AS SOLENOID IS FLEXING BRACKET. INSUFFICIENT CLEARANCE BETWEEN BRACKET AND VENT DOOR. BRACKET NEEDS TO BE STIFFENED OR AN ADDITION OF A MOUNTING MECHANISM CLOSER TO THE BEND. CURRENT MOUNTING IS AT TOP OF BRACKET.