50. Before authorizing a car to be loaded, the rail operating supervisor must have it visually checked for the purposes of detecting one of the following anomalies:
(1) a component lies about under the car body or juts out on one side of the car body;
(2) a door or a coupler is not properly fixed; or
(3) a wheel is broken or very cracked.
Where one of those anomalies is detected, the car must be removed from service until repaired.