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(2022) Service Bulletin 22072 Rev A: GTN Xi Main Software Version 20.24
PRODUCTS AFFECTED:
GTN Xi systems installed under the GTN 6XX/7XX Part 23 AML FAA STC SA02019SE-D are affected.
CERTIFICATION AUTHORIZATION:
STC SA02019SE-D and EASA STC 10037574
COMPLIANCE:
Recommended: Compliance with STC Service Bulletin 22072 is recommended at the next scheduled maintenance interval for installations with Main Software Version 20.10 through 20.23.
PURPOSE:
This STC Service Bulletin provides notification of the FAA STC SA02019SE-D Master Drawing List GTN 6XX/7XX Part 23 AML STC, Rev. 36 for the following:
- GTN Xi Main Software Version 20.24:
- Fixes an issue with the use of the GPS Antenna Height Above Ground configuration setting. This setting is used to determine the GPS altitude of the airplane by compensating for the mounting height of the GPS antenna on the aircraft.
- Fixes an issue where loss of GPS could cause a VOR approach to abort and switch to GPS NAV source.
- Fixes an issue with the use of the GPS Antenna Height Above Ground configuration setting. This setting is used to determine the GPS altitude of the airplane by compensating for the mounting height of the GPS antenna on the aircraft.
WARRANTY INFORMATION:
For GTN Xi installations with Main Software Versions 20.10 through 20.23, this modification is warranty reimbursable with a deadline of August 31, 2023.
For all other installations this service bulletin is not warranty reimbursable.