As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO TAXI TO THE HANGAR VENT FLAP CLOSED BUTSHOWING MAIN LH PAX DOOR OPEN ON MFD POST TAXI VENT FLAP WILL NOT CLOSE. LUBERCATED AND CLEANED MAIN PAX DOOR VENT FLAP MECHANISM IAW EMB 175 AMM 52-11-25 OPERATIONAL CHECK GOOD.MFD INDACATION GREEN