Musty Smell Question

https://stephenxpta941.wordcanopy.com/posts/comfort-experts-on-replacing-your-ac-when-north-fort-worth-ac-repair-no-longer-makes-sense

Musty Smell Question Anyone else get a musty smell for the first few minutes after the AC kicks on? The article mentions drain pans and dirty coils. Wondering if that's something to look at in spring before the heavy cooling months start