Garmin G1000 NAV III Line Maintenance Manual page 180

9. GDL 90
Refer to the GDL 90 Installation Manual (560-1049-02) for periodic maintenance information.
10. GDU 1040
For all units that comply with the mod status level listed in Table 6-1, maintenance of the GDU 1040 is
"on condition" only.
For all units that do not comply with the mod status level listed in Table 6-1, perform the power interrupt
annual inspection as described in Section 6.5.
GDU 1040
GDU 1044B
*Per RTCA DO-160D Section 16
Table 6-1. Long Term Power Interrupt Category B (50 mS) Mod Status
Page 6-2
Rev. L
Unit Unit Part Number
011-00972-00
011-00972-03
011-01274-00
Long Term
Power Interrupt
Category B (50 mS)*
Mod Status
2
1
1
G1000 Nav III Line Maintenance Manual
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