49 C.F.R. § 230.106 Steam locomotive frame.
Title 49 - Transportation
(a) Maintenance and inspection. Frames, decks, plates, tailpieces, pedestals, and braces shall be maintained in a safe and suitable condition for service, and shall be cleaned and thoroughly inspected as often as necessary to maintain in a safe and suitable condition for service with cleaning intervals, in any case, not to exceed every 1472 service days. (b) Broken frames. Broken frames properly patched or secured by clamps or other suitable means which restores the rigidity of the frame are permitted.
Title 49: Transportation
PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS
Subpart C—Steam Locomotives and Tenders
Trucks, Frames and Equalizing System
§ 230.106 Steam locomotive frame.
