Section 230.100 - Defects in tender truck axles and journals(a)Tender truck axle condemning defects. Tender truck axles with any of the following defects shall be removed from service immediately and repaired:(2) Collars that are broken, cracked, or worn to 1/4 inch or less in thickness;(3) Truck axles that are unsafe on account of usage, accident, or derailment;(4) A fillet in the back shoulder that is worn out; or(5) A gouge between the wheel seats that is more than 1/8 of an inch in depth.(b)Tender truck journal condemning defects. Tender truck journals with any of the following defects shall be removed from service immediately and repaired :(1) Cut journals that cannot be made to run cool without turning;(2) Seams in axles causing journals to run hot;(3) Overheating, as evidenced by pronounced blue black discoloration;(4) Transverse seams in journals of iron or steel axles; or(5) Journal surfaces having any of the following:(i) A circumferential score;