PRODUCTS AFFECTED:

Piper PA-28 aircraft with GFC 500 systems installed per the GFC 500 Part 23 AML STC SA01866WI are affected.

CERTIFICATION AUTHORIZATION:

AML STC SA01866WI MDL Revision 8

COMPLIANCE:

Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.

PURPOSE:

This STC Service Bulletin provides instructions for incorporating the following design improvements for the installation of the GFC 500 system in PA-28 series aircraft with AML STC SA01866WI Master Drawing List Rev. 8:

Updated pitch and roll servo cables
Revised servo cable wrap instructions
Clarification regarding cable clamp rotation