Maintenance Manual 190-02472-02G3X Touch EFIS Part 23 AML STC Revision 2Page 28Table 4-1 – Maintenance IntervalsItem Description/Procedure ManualSection No. IntervalG3X Touch System VisualInspectionsComplete Visual Inspection of allinstalled G3X system LRUs and wiringharnesses must be performed to ensurecontinued integrity of the installation.012 Calendar Months(During annualinspection)Electrical Bonding CheckPerform an electrical bonding check ofthe G3X Touch system LRUs inaccordance with Section 4.5.4.5Every 2000 flight hoursor 10 years, whichevercomes firstGDU 4X0 (Qty 1 or 2) Removal & Replacement 6.1 On ConditionGSU 25D (ADAHRS)Removal & Replacement 6.2 On ConditionAHRS Magnetic Field Model Update 4.6 When available (5-yearupdate cycle)GMU 11 Removal & Replacement 6.3 On ConditionGTP 59 Removal & Replacement 6.4 On ConditionSpecial Inspection Requirements 4.6 On ConditionGAD 27 Removal & Replacement 6.5 On ConditionGEA 24 Removal & Replacement 6.6 On ConditionGAD 29B Removal & Replacement 6.7 On ConditionGDL 5XR Removal & Replacement 6.8G3X AlertsCheck for and troubleshoot any alertsprovided in the alert window per thereferenced manual section5 On ConditionGPS Antenna Removal & Replacement 6.9 On ConditionG3X AccessoriesGDU Configuration Module(Qty 1) Removal & Replacement 6.1.1 On ConditionG3X Lightning ProtectionLightning Strike to AntennaActual or SuspectedInspect the GTP 59 and surroundinginstallation 4.7 On ConditionEngine/Airframe SensorsOil PressureRemoval & Replacement: 6.6.1 On ConditionOil TemperatureManifold PressureCarb Air TempFuel PressureFuel Flow