1. First, neither the Akusala-mula nor the Kusala-mula Paticca Samuppada runs for an Arahant.
2. Arahants don’t do kamma (in the sense of kusala/akusala/punna/papa, etc.)
– Ther actions are described as “kriya”.
3. They don’t have six ayatana. They have six indriya all the time (while they are alive.)