Questions and Answers: Railworthiness Directive for Railroad Tank Cars Equipped with Certain McKenzie Valve & Machining LLC Valves
Policy and Guidance
Railworthiness directive, McKenzie Valve, UNNR
Download QUESTIONS AND ANSWERS Draft 3.pdf
This document provides guidance on moving tank cars equipped with the McKenzie valves specified in the Railworthiness Directive published March 18, 2015. The document was updated on May 14, 2015 to incorporate the alternate compliance schedule authorized by the May 12, 2015 letter from FRA to RSI.
Last updated: Wednesday, March 25, 2015
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