Avid service bulletins

[Fsflyer 0]

Hello, new to forum. Looking for directions/advise on locating service bulletins for avid flyer hvy hauler built 1990.

[1avidflyer 1983]

These are in the files and forms section.  Avid AD's in one place - Files and Forms - AvidFoxFlyers Forums  JImChuk

[Fsflyer 0]

Thanks