190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STCRev. 5 Page iii7.5 Enabled Features ......................................................................................................................7-238 SYSTEM RETURN TO SERVICE PROCEDURE........................................................................8-18.1 Maintenance Records .................................................................................................................8-1APPENDIX A AIRCRAFT SPECIFIC INFORMATION .................................................................A-1A.1 General Information ..................................................................................................................A-1A.2 Configuration Log .....................................................................................................................A-2A.3 Wire Routing .............................................................................................................................A-9A.4 Aircraft Wiring Diagrams .......................................................................................................A-11A.5 Equipment Location ................................................................................................................A-11A.6 Equipment Interfaced to the GTN 6XX/7XX .........................................................................A-12A.7 Equipment Interfaced to the GMA 35.....................................................................................A-17