G1000 NXi System Maintenance Manual
Page 105
King Air 300 Series
Revision 1
190-00716-N1
Item
Description/Procedure
Manual
Section No.
Interval
GSU 75B, GRS 77, or
GRS 7800
AHRS/ADAHRS
(Qty 2)
Removal & Replacement
6.9
On Condition
Magnetic variation database update.
GMU 44
Magnetometer (Qty 2)
Removal & Replacement
6.10
GDL 69A or GDL 69A
SXM
GWX 68 or GWX 70
GMC 710
GCU 477
GTS 820/850 Traffic
Unit
6.31
GTS Traffic
Processor
GRA 5500
GPA 65 PA/LNA Unit
6.32
GDL 59 Wi-Fi
Datalink
6.34
GSR 56 Satellite
Receiver
GSD 41 Data
Concentrator
G1000 Cooling Fan
Fail Annunciation
Check
Verify the operation of the fan power and fan
speed monitoring circuits for GIA1 fan and
GIA2 fan.
820 hours max
G1000 Cooling Fan
Fail Annunciation
Check
Verify the operation of the fan power and fan
speed monitoring circuits for PFD1 fan, MFD
fan and PFD2 fan and fan fail messages.
Nose Avionics
Compartment Fans
Operational Check
Functional test of the GIA1 and GIA2 ported
fans. Verify airflow from all fan ports.
Instrument Panel
Fans Operational
Check
Functional test of the PFD1, MFD and PFD2
cooling fans. Verify airflow from each fan.
G1000 Redundant
Connection Check*
Verify PRI and SEC power sources for PFD
1, GIA 1, GSU 1 (or GRS 1, and GDC 1).
Verify secondary paths for ADAHRS (or
AHRS and ADC), engine parameters and
GPS data.
Verify the operation of PFD and MFD
Ethernet connections.
Verify ARINC connection between GSU 1
(or ADC 1 and GRS 1) and MFD.
Verify DISPLAY BACKUP button function.
220 hours max
Engine Data Check*
Verify engine data is available and accurate
with GIA 1 or GIA 2 inoperative.
820 hours max
Summary of Contents for G1000 NXi
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