Troubleshooting Information; Removal And Replacement Information - Garmin GTN 6 Series Instructions Manual

Visual Inspection Visual inspection on the antenna
(Only if antenna is 1. Clean the antenna with water and mild soap.
installed by this STC) 2. Verify there are no cracks on the antenna and around
3. Verify that all sealing fillets around the antenna are in
If the antenna is broken, cracked, or dented it must be
replaced.
In the event attachment is not secure, re-attach antenna and
complete the Electrical Bonding Test.
In the event the antenna seal shows signs of damage,
complete the Electrical Bonding Test and re-seal the antenna.
Visual inspection of the rotorcraft exterior skin around installed
antenna -
1. Clean the exterior of the aircraft skin within a 10 inch
2. Inspect aircraft skin around the antenna footprint to verify
3. Verify that antenna fasteners are not loose.
If the aircraft skin is cracked, or deformed, the internal
structure must also be inspected for degradation in the local
area. Refer to approved method defined in the Standard
Practices Manual (MTC 20-03-06-407) - Repair of metal
structures.

2.6 Troubleshooting Information

If error indications are displayed on the GTN 6XX or 7XX, consult Section 4, Troubleshooting of the GTN
6XX/7XX PART 27 AML STC SYSTEM MAINTENANCE MANUAL. Refer to the GTN System
Configuration and Checkout Log retained in the aircraft permanent records for a list of the interfaced
equipment and system configuration data.

2.7 Removal and Replacement Information

For removal and replacement instructions, refer to the GTN 6XX/7XX PART 27 AML STC SYSTEM
MAINTENANCE MANUAL Section 5, Equipment Removal and Replacement.
2.7.1 Equipment Location and Access
Figure 2 depicts the typical location for the GTN 6XX/7XX and optional GMA 35.
Instructions for Continued Airworthiness GTN 6XX/7XX - Eurocopter EC130 Series
Page 8 of 21
attachment fasteners.
good condition.
radius of the antenna with water and mild soap.
there are no cracks and aircraft skin is not deformed.
To be performed
coincident with
the Eurocopter
EC 130 600 flight
hour inspection
or every 24
months,
whichever
comes first.
Perform visual
inspection in
event of
suspected
lighting strike.
190-01007-K9 Rev. 1