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(2023) Service Bulletin 22016 Rev B: GSA 28 Servo Mod 1

REVISION B:

Updated Modification Instructions


PRODUCTS AFFECTED:

Garmin GSA 28 units listed below that were shipped between September 2021 and January 2022 are affected:

011-02927-00 serial number 2PG015462 through 2PG016170

011-02927-10/11 serial numbers 5G9017349 and 5G9019731 through 5G9021528


DESCRIPTION:

This service bulletin contains instructions for incorporation of Mod 1.


COMPLIANCE:

Mandatory: This Service Bulletin must be accomplished no later than February 28, 2023.


PURPOSE:

Due to a supplier issue, there is a chance of reduced service life of one of the GSA 28 internal components resulting in servo failure. The servo failure can happen in flight with an annunciated "AP DISC" indication, or on the ground during a preflight check. In either case, the autopilot is rendered inoperable until the servo is replaced.


INSTRUCTIONS:

For certified installations, refer to Garmin Service Bulletin 23024 GSA 28 Service-Life Extension Program.

For non-certified installations, refer to Garmin Service Bulletin 23038 GSA 28 Service-Life Extension Program.


WARRANTY INFORMATION:

Exchange/modification of affected units is covered under the factory warranty. The unit must be returned to Garmin.

For Garmin dealers only, warranty labor costs to remove/install the -10 and -11 unit is reimbursable for the manpower listed above with a deadline of February 28, 2023 - after which the labor costs will no longer be reimbursable.

NOTE
Labor for removing/installing the -00 is not warranty reimbursable.

NOTE
Labor is only paid to Garmin approved dealers.

To ensure proper reimbursement when completing the warranty claim, indicate the following:

  • Indicate compliance with Garmin Service Bulletin 22016
  • GSA 28 unit serial number

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