Well there’s windshear and there’s windshear.
Ominous CB is different from a ‘low level windshear advisory’ on the ATIS.
Anytime with gusting wind conditions you have windshear…technically.
20G30 with maybe a little rolling terrain or buildings causing mechanical turbulence.
I don’t remember the details of the 73 as I had to do a data dump for new type and I can only remember one set of everything.
I don’t see a problem with heading and track simultaneously.