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Aviation Alerts and Advisories

GIA 64 COM

PRODUCTS AFFECTED:

Garmin GIA 64 units purchased or installed since October 2021 listed in the link below are affected.

https://support.garmin.com/en-US/?faq=arlmObxADx6EyIeQMQ2pK7

COMPLIANCE:

Mandatory

PURPOSE:

One or both GIA 64 units may experience a total loss of COM when aircraft power input voltage is in the range of 5-7 VDC. This condition may be encountered temporarily during engine start and/or aircraft power bus switching.

NOTE
Total loss of COM will persist until the affected GIA 64 units are power cycled.

This service bulletin contains instructions to return the affected product to Garmin.

WARRANTY INFORMATION:

This Service Bulletin is warranty reimbursable with a deadline of May 31, 2022 after which this upgrade will no longer be reimbursable for labor.

ASDN Service Bulletin 21125 Rev A