Since Conrail's early years, the term "patch job" has made me cringe. Up until Conrail, the only "patch jobs" I had ever seen were those done by SCL, when ACL and SAL merged. Compared to Conrail, those were an absolute class act. The former EL units seemed to get the best patches of all the Conrail predecessors. U33C No. 6571 wasn't one of them. It leads a cab light move upgrade at MG Tower, PA on 3/19/78.