Gea 71 Engine/Airframe Unit - Garmin G1000 NXi Supplemental Maintenance Manual

7.4

GEA 71 Engine/Airframe Unit

Original GEA 71 Reinstalled
No software or configuration loading is required if the removed GEA 71 is re-installed. This
does not include units that were returned for repair as their software and configuration files are
deleted during the repair testing process. Continue to the return-to-service checks in Section 9.
New, Repaired or Exchange GEA 71 Installed
If a new, repaired or exchange GEA 71 is installed, the correct software and configuration files
must be loaded to the unit. See Section 7.4.1.
LRU Replacement Procedure GEA
1. Open the MFD, PFD (ESS BUS), and PFD (AVN BUS 1) circuit breakers.
2. Remove Garmin SD/MMC/FS 510 cards from bottom slots of the MFD and PFD if
present.
3. Apply power to the G1000 system by connecting external power to the aircraft to
energize the aircraft and avionics electrical busses.
4. Turn on Avionics electrical busses.
5. Power on the MFD and PFD in configuration mode.
6. Using the PFD, scroll to the LRU replacement page.
7. Activate the cursor and select GEA1 in the LRU dropdown box.
8. Press the CHK All softkey.
9. Press the Load softkey.
10. Press ENT to acknowledge the process was complete.
11. Deactivate the cursor.
12. Scroll to the Configuration Manager page.
13. Press the CNFM CFG softkey.
14. Select ok when prompted to "Confirm configuration as expected configuration"
15. Power cycle the system verify there are no red-Xs or system alerts.
16. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5 or re-
load the system using the legacy method in Section 7.4.2
17. If there are no red-Xs or system alerts, continue to Section 7.4.3.
G1000 Supplemental Maintenance Manual
Textron Nav III Series
190-02128-04
Page 7-17
Revision 3