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Service Bulletin 22029: GDC 7400 (Serial Numbers)

Per Service Bulletin 22029, select GDC 7400 products must be returned to Garmin. The table below contains the current list of affected GDC 7400 serial numbers and will be updated as necessary.

Please review Service Bulletin 22029 for more details on returning the product to Garmin for modification.


Serial Numbers of GDC 7400  Products Affected (last updated 19-MAY-2025):


1U61034691U61034801U61034861U61034931U61035031U61035111U61035181U61035321U6103544
1U61034701U61034811U61034871U61034951U61035041U61035131U61035211U61035331U6103547
1U61034711U61034821U61034881U61034981U61035051U61035141U61035231U61035341U6103548
1U61034721U61034831U61034891U61034991U61035061U61035151U61035261U61035361U6103549
1U61034761U61034841U61034911U61035001U61035081U61035161U61035271U61035391U6103552
1U61034791U61034851U61034921U61035011U61035101U61035171U61035311U61035421U6103587

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