NSB Class 93
... that one year after delivery, six of eleven NSB Class 93 trains were out of service due to technical problems?
... that one year after delivery, six of eleven <b id="mwCqI"><a class="mw-redirect" href="./NSB_Class_93" id="mwCqM" rel="mw:WikiLink" title="NSB Class 93">NSB Class 93</a></b> trains <i id="mwCqQ">(example pictured)</i> were out of service due to technical problems?