PRODUCTS AFFECTED:

GTS 800 systems installed using GTS 8XX Part 23 AML STC SA02121SE are affected.

CERTIFICATION AUTHORIZATION:

STC SA02121SE MDL Revision 5

COMPLIANCE:

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

DOCUMENTATION CONSIDERATIONS:

As a result of changes related to this update, the applicable documents listed in Table 1 are required to be issued to the aircraft operator/owner before the aircraft is returned to service.

Table 1

Document Title	Part Number	Revision (or later)
GTS 8XX Part 23 AML STC Maintenance Manual with Instructions for Continued Airworthiness	190-01279-01	2
AFMS, GTS 8XX Part 23 AML STC	190-01279-02	2

PURPOSE:

This STC Service Bulletin provides notification of an update to the AML STC SA02121SE Master Drawing List revision 5 to update GTS 800 main software to version 4.13 and FPGA software to version 2.10. This software update adds support for the GI 275.

WARRANTY INFORMATION:

This modification is not warranty reimbursable.