Klasjet 737 trouble flying in IMC
I'm not a 737 pilot, so I'm sure I'll be corrected if my understanding of what's written here is wrong, but did this crew struggle to control the aircraft in IMC because the AP was inop?
Incident: Klasjet B735 at Madrid on Apr 5th 2019, navigation malfunction
https://www.mitma.es/recursos_mfom/c..._report_nm.pdf