GI 275 Multi-function Instrument installed under the GI 275 Part 23 AML STC SA02658SE are affected.
AML STC SA02658SE
Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.
This STC Service Bulletin provides notification of STC SA02658SE Master Drawing List revision 4 update.
Revision 4 includes GI 275 Expansion Board Software Version 2.05 that adds improvements for installations in aircraft panels with higher vibration as described in Garmin Service Letter 2066.