[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR215.107] [Page 179] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 215_RAILROAD FREIGHT CAR SAFETY STANDARDS--Table of Contents Subpart B_Freight Car Components Sec. 215.107 Defective plain bearing box: General. A railroad may not place or continue in service a car, if the car has-- (a) A plain bearing box that does not contain visible free oil; (b) A plain bearing box lid that is missing, broken, or open except to receive servicing; or (c) A plain bearing box containing foreign matter, such as dirt, sand, or coal dust, that can reasonably be expected to-- (1) Damage the bearing; or (2) Have a detrimental effect on the lubrication of the journal and the bearings.