GFC 600 AFCS Part 23 AML STC Maintenance Manual Page 14
190-01938-00 Revision 13
4.2 Servicing Information
Servicing of the GFC 600 AFCS equipment is ‘on condition’. In the event of system failure,
troubleshoot the GFC 600 AFCS in accordance with Section 5.
4.2.1 On Condition Servicing
‘On Condition’ replacement and/or servicing should occur when an item exhibits conditions,
symptoms, and/or abnormalities defined in Section 5 of this manual. Replacement and/or
servicing should be made only after the technician troubleshoots the system to the extent
determined necessary by using the guidance in this manual along with common avionics
maintenance practices.
The remainder of this document is organized in the following fashion:
• Section 4.3 lists maintenance requirements related to the GFC 600 AFCS.
• Section 6 gives instructions regarding the removal and replacement of GFC 600
equipment and parts.
• Section 7 gives configuration and testing instructions to be accomplished if GFC 600
equipment or parts are removed or replaced.
• Section 9 specifies system return-to-service procedures.