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Aviation Alerts and Advisories

G3X Touch/GSU 25 ADAHRS Pitot Static Inspection

PRODUCTS AFFECTED:

Garmin G3X Touch EFIS Part 23 AML STC installations with a GSU 25 ADAHRS (not installed on the back of a Garmin GDU 4X0) performed using Master Drawing List 005-01320-00, Revision 4 or earlier (Installation Manual 190-02472-01 revision 4 or earlier) are affected.

NOTE
Installations with the GSU 25 ADAHRS installed on the back of a Garmin GDU 4X0 are not affected by the bulletin.

CERTIFICATION AUTHORIZATION:

STC SA01899WI

COMPLIANCE:

Mandatory: This service bulletin is mandatory for certified G3X systems installed per G3X Part 23 AML STC SA01899WI.

PURPOSE:

Pitot and static lines may not have positive drainage. Pitot and static lines need to be inspected for positive drainage.

ASDN Service Bulletin 2013 Rev A