As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3393 - YYZ-BWI - THE LEFT GEAR DOOR WAS OPEN IN FLIGHT WITH NO ADVISORY LIGHT ON, DID NOT CLOSE UPON GEAR UP SELECTION. THE AIRCRAFT CONTINUED TO BWI AND LANDED WITHOUT INCIDENT. INSTALLED HARDWARE ON FORWARD DOOR AFT CONNECTING ROD ASSEMBLY. REF HNAA9791702.