As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT DURING THE PREFLIGHT CHECKS THE CABIN VENT DOOR WAS FOUND TO BE INOPERATIVE. CABIN VENT DOOR NOT CLOSING AUTOMATICALLY. THE SYS WAS TROUBLE SHOT & THE VENT DOOR SOLENOID WAS FOUND TO BE DEFECTIVE. THE DEFECTIVE PART WAS R & R WITH A NEW SOLENOID PN 6711335-1. OPERATIONS CHECKED GOOD.