Gtn Configuration Module; Gtn Fan; Gma 35 (Gtn 725/750 Only); Navigation Indicator - Garmin GTN 6 series Maintenance Manual

6.2.2

GTN Configuration Module

Original Configuration Module Reinstalled
No return-to-service procedures are required.
New, Repaired, or Exchanged Configuration Module installed
Verify GTN configuration settings against the configuration log kept with the rotorcraft permanent record.
6.2.3

GTN Fan

Perform the fan check in Section 6.3.8.
6.2.4

GMA 35 (GTN 725/750 only)

Original GMA 35 Reinstalled
No return-to-service procedures are required.
New, Repaired, or Exchanged GMA 35 installed
1. Configuration the GMA 35 in accordance with the configuration log kept with the rotorcraft
permanent record.
2. Perform the GMA 35 testing procedure in Section 6.3.3.2.
6.2.5

Navigation Indicator

Original Navigation Indicator Reinstalled
No return-to-service procedures are required.
New, Repaired, or Exchanged Configuration Module installed
Calibrate the navigation indicator in accordance with Section 6.3.5.
6.2.6

Transponder

Original Transponder Reinstalled
No return-to-service procedures are required.
New, Repaired, or Exchanged Transponder Installed
1. Configure the transponder in accordance with Section 6.3.6.1.
2. Perform the appropriate interface check in accordance with Section 6.3.6.2
3. If TIS is enabled, perform the appropriate interface check in accordance with Section 6.3.7.3.
6.2.7

Altitude encoder/Air Data Computer/Fuel-Air Data Computer

On the GTN Diagnostics page, verify that the GTN is receiving data from the LRU/sensor.
6.2.8

Traffic/Weather System

Original Traffic/Weather System Reinstalled
No return-to-service procedures are required.
New, Repaired, or Exchanged Traffic/Weather System Installed
Perform the appropriate interface check in Section 6.3.7.
GTN 6XX/7XX Part 27 AML STC Maintenance Manual
Page 6-2
190-01007-B1
Rev. 1