As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BWI - FLT 4858 - TEN MINUTES AFTER DEPARTURE THE FLIGHT ATTENDANT NOTED THAT THE LEFT ENGINE INBOARD FORWARD COWL DOOR LATCH WAS OPEN. THE AIRCRAFT RETURNED TO BWI LANDING WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT TO INSPECT THE COWL AND LATCH. NO DEFECTS WERE FOUND. MAINTENANCE RESECURED THE LATCH AND RETURNED THE AIRCRAFT TO SERVICE. (M)