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Aviation Alerts and Advisories

GSR 56 Mod 1

PRODUCTS AFFECTED:

The following units are affected only when the internal heater is enabled:

Appliance P/N – Model
011-02268-00 – GSR 56
011-02268-01 – GSR 56 Enhanced
011-02268-10 – GSR 56H
011-02268-50 – GSR 56 Harsh Environment

CERTIFICATION AUTHORIZATION:

TSO Approval

COMPLIANCE:

Recommended: Compliance with this service bulletin is recommended for installations with the internal heater enabled.

PURPOSE:

The GSR 56 includes an optionally enabled internal heater that is specified for operation at temperatures below -20°C. The activation of the internal heater may cause the GSR 56 to power off for approximately one minute.

NOTE
This could result in CAS or system failure messages and/or indications of “Waiting” on the Iridium Status page.

The GSR 56 functions as intended after the power off.

ASDN Service Bulletin 19102 Rev A