I appreciate your time to explain this to me in depth, Peter. My goal is to understand if indeed there is a way for an instance involving a 337 form to be arranged WITHOUT engaging the FAA in any way, shape or form. I understand this is not possible. So, starting out, we had this wigglyamp wrote: An EASA (or UK CAA) Part 145 with FAA authorisation can sign off all maintenance work and 337s...