answer to #1: There's been I wanna say 6-7 times i've been out railfanning and i hear a septa announcement go off about a train being delayed due to 'mechanical problems' and i check the app and its a set of 4's.
answer to #2: yes they went oos for that in '16. as far as i know, not since then anything major.
answer to #3: yes actually. if u want video proof me and my friend caught Spax 52 rescuing a 6 car set a while back. if you want video proof, go to @halgoonta on yt and search spax 52 rescue or just spax 52. the guy in the middle of the video is me.
answer to #2: yes they went oos for that in '16. as far as i know, not since then anything major.
answer to #3: yes actually. if u want video proof me and my friend caught Spax 52 rescuing a 6 car set a while back. if you want video proof, go to @halgoonta on yt and search spax 52 rescue or just spax 52. the guy in the middle of the video is me.