Maintenance Manual 190-02472-02G3X Touch EFIS Part 23 AML STC Revision 2Page 84 GSU 25D connector not firmly attached to unit. Absence of recommended mounting support. Cabling leading to the GSU 25D not firmly secured to supporting structure. An engine/propeller combination that is significantly out of balance.NOTESome aircraft may have difficulty passing this test if performed in windy conditions. Windy conditions donot provide evidence that the test would otherwise pass successfully; an actual pass is required beforethe installation can be considered adequate.7.3 GMU 11 MagnetometerReference Section 7.2.7.4 GTP 59 Temperature ProbeOriginal GTP 59 ReinstalledNo software or configuration loading is required when an original GTP 59 is reinstalled.New, Repaired, or Exchange GTP 59 InstalledIf a new, repaired, or exchange GTP 59 is installed, no software or configuration required.7.4.1 GTP 59 Testing1. Verify OAT operation by observing the PFD for a valid value for OAT.2. Apply heat to the GTP 59 probe and observe OAT value rises by at least 5º Celsius.7.5 GAD 27Original GAD 27 ReinstalledNo software or configuration loading is required if the removed GAD 27 is reinstalled. Continue toSection 7.5.1.New, Repaired, or Exchange Display(s) InstalledIf a new, repaired or exchange GAD 27 is installed, the correct software will be loaded automatically bythe G3X GDU when power is applied to the system.7.5.1 GAD 27 TestingApply power to the aircraft and with all the circuit breakers closed, ensure is not displayed onthe GDU.7.6 GEA 24 Engine and Airframe UnitOriginal GEA 24 ReinstalledNo software or configuration loading is required if the removed GEA 24 is reinstalled. Continue to Section7.6.1New, Repaired, or Exchange GEA 24 InstalledIf a new, repaired or exchange GEA 24 is installed, the correct software version and EIS configuration willbe loaded automatically by the G3X GDU when power is applied to the system. Continue to Section7.6.1.
