Garmin GTN 6 Series Instructions Manual page 9

Item Description/Procedure
Visual Inspection The GTN unit, GMA 35 (if installed), switches, and wiring
harnesses should be inspected to ensure continued integrity of
the installation in alignment with Eurocopter's Standard
Practices Manual (MTC 20-07-02-[ ]).
Conduct a visual check of the GTN unit, switches, GMA 35 (if
installed), and their wiring harnesses to ensure continued
installation integrity.
1. Inspect the GTN unit(s) and GMA 35 for security of
2. Inspect for signs of corrosion.
3. Inspect all switches, knobs, and buttons for damage.
4. Inspect placards. Ensure that they are legible and properly
5. Inspect condition of wiring, shield terminations, routing, and
6. Check the fan intake slots on the sides and bottom of the
Instructions for Continued Airworthiness GTN 6XX/7XX - Eurocopter EC130 Series
Page 6 of 21
attachment, including visual inspection of mounting racks
and rotorcraft instrument panel or avionics console
supporting structure to which the racks attach. Verify the
countersunk fastener heads are in full contact with unit
mounting rack holes. If a GTN Navigator is installed in the
center console, inspect the condition of the console and
unit install rack around the rivets. Verify countersunk rivet
head is fully seated into the unit mounting rack fastener
hole with no slack. For GTNs installed in the instrument
panel, re-torque fasteners12 to 15 in-lbs if required.
adhered. Replace any damaged labels as necessary.
attachment/clamping.
GTN unit's bezel for dust, dirt, or obstructions. Clean as
needed.
Interval
To be performed
coincident with
the Eurocopter
EC 130 600 flight
hour inspection
or every 24
months,
whichever comes
first.
190-01007-K9 Rev. 1