This SAILDART content blob sn#153859 has 2 filenames:

1975-04-08 06:41	FAILED.TXT[1,LMM]
1975-08-27 15:13	FAILED.TXT[CAR,HPM]1

This blob is marked generic text, type T, neo UTF8
Octal listing of 2 PDP-10 words: