(2022) Service Bulletin 22069 Rev A: GI 275 Multi-function Instrument System STC SA02658SE Software Version 2.53

PRODUCTS AFFECTED:

GI 275 Multi-function Instrument systems installed under the GI 275 Part 23 AML STC SA02658SE are affected.

CERTIFICATION AUTHORIZATION:

STC SA02658SE

COMPLIANCE:

Optional: STC Service Bulletin 22069 may be incorporated at the owner’s discretion.

PURPOSE:

This STC Service Bulletin provides notification of STC SA02658SE Master Drawing List revision 18. This update includes the following changes:

• Improves GI 275 Internal Battery charging messages
  
• Improves fault detection logic for interfaced GFC 500 servos
  
• Minor software improvements for Flight Data Logging and Database updating