A quiet (oral) request from the DOJ/FBI is noted in a late Friday release from FISA Court Presiding Judge James Boasberg. [LINK]
The previous deadline was January 28th. As noted the FISC has granted a one week extension until February 5th. [Some Possible Ramifications Outlined Here]
This is a hot mess. Remember, IG Horowitz said he only found evidence of a FISA warrant against Carter Page, no other Trump campaign or Trump administration official was investigated using a FISA application. That statement is a little more important now.