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190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
Rev. 7 Page 4-10
4.7 GPS/SBAS Antenna Cable Overbraid Inspection (If Installed)
The GPS/SBAS antenna cable overbraid must be inspected after a known or suspected lightning strike.
Check the antenna and overbraid for the following:
1. Check the cable overbraid for pinching, melting or evidence of arcing at the GPS/SBAS
antenna
end and a
t the GTN 6XX/7XX.
2. Check the lug at the GTN end for evidence of arcing and verify that the
lug is still secured to the
o
verbraid and to the GTN connector shield block.
3. Check that the overbraid is securely attached at the GPS/SBAS antenna end and at
the
GTN6XX/7XX.
If any of the
se checks shows evidence of a lightning strike, replace the overbraid assembly in accordance
with Section 6.10.
4.8 WXR HSDB Cable Overbraid Inspection (If Installed)
The WXR HSDB cable overbraid must be inspected after a known or suspected lightning strike. Check the
overbraid for the following:
1. Check the cable overbraid for pinching, melting or evidence of arcing at
the WXR end and at the
bulkhead to which
the WXR R/T is mounted.
2. Check the lug at the WXR end for evidence of arcing and verify
that the lug is still secured to the
overbraid
and to the WXR shield block.
3. Check that the overbraid is securely attached at the bulkhead end.
If any of these checks shows evidence of a lightning strike, replace the overbraid assembly in accordance
with Section 6.11.