should be this flight:
https://www.flightradar24.com/data/flights/as33#1022cf11according to that 2120Z to 2135Z for the possible collision.
that should be enough to find the audio if you want to
http://archive-server.liveatc.net/kbos/KBOS-Gnd-Jan-15-2018-2100Z.mp3http://archive-server.liveatc.net/kbos/KBOS-Gnd-Jan-15-2018-2130Z.mp3timecodes in minutes:seconds after 2100Z:
1st file
Pushback approved for ASA33 at 21:44 in the first of the two archive files.
ASA ready to taxi for deice 26:45 ... Ground: taxi to app end of 14 via B, J
29:39 .. all the way to the end of app end 14, united airlines waits for you
ASA: cleared to cross 4L approach? ground: yes, J all the way to the end (both files)
2nd file
1:30 ground: don't let em confuse you all the way to the approach end to 14 past the United
ASA: here we go
ground: once there they will turn you around like the united is facing (probably North

)
05:13: ASA33: we need to go back to the gate
ground: oh man without deicing?
ASA33: affirmative
ground: ok you can use runway 14 got to J1 and then join J short of B
asa readback
ground: you require any further assistance?
ASA33: negative
rest is just taxi back.
so i guess nothing interesting on frequency
