UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED
ENSTROM F-28F/280F SERIES MAINTENANCE MANUAL SUPPLEMENT 1
Rev.
2
4-3
Dec
8/08
SECTION 3
SERVICING, TROUBLESHOOTING, AND PERIODIC INSPECTIONS
3-1. Servicing
A. The GDL 69/69A contains no user serviceable components or assemblies.
Operations involving the removal of the GDL 69/69A or any other line-replaceable unit
(LRU) installed as a part of the GDL 69/69A must be done by authorized maintenance
technicians.
3-2. Troubleshooting
A. If XM satellite information is not available on the control display unit, consult
the Troubleshooting section contained in the GDL 69/69A Installation Manual, listed under
reference documentation in Table 4-1.
3-3.
Periodic Maintenance Inspections
A. The following inspection checklist is intended as a guide for 100 hour/annual
inspections for aircraft operating under normal conditions. More frequent inspections may
be required should adverse operating conditions be encountered.
Date
Signature
Aircraft Registration Number
Aircraft Serial Number
GARMIN GDL 69/69A
INITIAL EACH ITEM AFTER ACCOMPLISHMENT
Inspect the following items every 100 hours or annually
INITIAL
1. Inspect the unit for security of attachment.
2. Inspect condition of wiring, routing, and attachment/clamping.
3. Verify the GDL 69/69A unit operation by viewing XM Satellite
information on the GNS 430W/530W or other applicable display
unit, or by checking the XM Information or XM Status page on the
GNS 430W/530W or other applicable display unit.
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