HOBOKEN, New Jersey -- The engineer in the [url HREF="http://abc7.com/news/train-crashes-into-nj-station;-1-dead-more-than-100-injured/1531801/" TARGET="" REL=""]deadly New Jersey Transit crash[/url] left his home in Morris Plains on Saturday morning and returned several hours later.[br /][br /]Forty-eight-year-old Thomas Gallagher was being interviewed by the NTSB for the first time since the crash that killed a woman and injured more than a hundred others.[br /][br /]Workers in Hoboken are continuing the cleanup at the train station. Most of the debris is now cleared out, but the roof is still damaged.[br /][Ads /][br /]The NTSB said Saturday that there were no signal problems at the station at the time of the crash. However, a federal official said that the Federal Railroad Administration had investigated New Jersey Transit, and found dozens of safety violations during an audit in June.[br /][br /]RELATED: [url HREF="http://abc7.com/news/powerful-photos-videos-show-aftermath-of-hoboken-train-crash/1532068/" TARGET="" REL=""]Powerful photos, videos show aftermath of Hoboken train crash [/url][br /][br /]Investigators are still unable to access the event data recorder connected to a forward-facing camera on the train because that train is still stuck in that station due to significant structural and environmental issues.[br /][Ads /][br /]An event recorder recovered Friday is now at the manufacturer's facility in Kentucky as the NTSB supervises the attempted download of information.[br /][br /][img SRC="[br /]http://cdn.abclocal.go.com/content/wabc/images/cms/100116-hobokeneventrecorder.jpg" ALIGN="" /][br /][br /]Officials say that New Jersey Transit was fined as a result of that audit. WABC-TV in New York reached out to that agency but did not hear back.[br /][br /]It is not known what the engineer told NTSB, but the NTSB said it will not be sharing that information until the interview is fully completed.