What was found
A HUMMING NOISE FROM THE LOWER LT NOSE AREA DURING CLIMB. THE CREW ELECTED TO RETURN TO FIELD & LANDED WITHOUT FURTHER INCIDENT. FOUND THE GPU ACCESS PANEL TO BE OPEN. THE DOOR WAS CLOSED & NO FURTHER DEFECTS WERE NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
A HUMMING NOISE FROM THE LOWER LT NOSE AREA DURING CLIMB. THE CREW ELECTED TO RETURN TO FIELD & LANDED WITHOUT FURTHER INCIDENT. FOUND THE GPU ACCESS PANEL TO BE OPEN. THE DOOR WAS CLOSED & NO FURTHER DEFECTS WERE NOTED.