System Maintenance Manual

Page 4-6 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
Item Description/Procedure
Manual
Section No.
Interval
GFC700 Periodic
Check
Verify proper operation of the GFC700 by
performing the following:
Pre-Flight Test
AFCS Switch Checks
Autopilot Operation Checks
8.2.1,
8.2.2,
8.2.5
Phase 2 and 4
TAWS Functional
Check
Periodic TAWS function check 7.15 Phase 4
GDU 1040A PFD
(Qty 2)
Removal & Replacement 6.1 On Condition
GDU 1500 MFD Removal & Replacement 6.1 On Condition
GMA 1347D (Qty 2)
Removal & Replacement 6.2 On Condition
GMA 1347D Test 7.2.1 Phase 2 and 4
Landing Gear Aural Alert and XM Audio
Suppression Test
7.2.2 Phase 2 and 4
XM Audio Suppression Check 7.2.3 or 7.2.4 Phase 2 and 4
GIA 63W IAU (Qty 2)
Removal & Replacement
6.3
On Condition
GEA 71 EAU (Qty 2) 6.4
GTX 33 Transponder
(Qty 2)
Removal & Replacement 6.5 On Condition
Test according to Title 14 CFR §§ 91.411
and 91.413 as well as Part 43 Appendix F.
7.5 24 Calendar Months
GDC 74B (Qty 2)
Removal & Replacement 6.6 On Condition
Test according to Title 14 CFR § 91.411 and
Part 43 Appendix E.
7.6 24 Calendar Months
GRS 77 AHRS (Qty
2)
Removal & Replacement 6.8
On Condition
Magnetic variation database update. 4.6
GMU 44
Magnetometer (Qty 2)
Removal & Replacement
6.9
GDL 69A 6.10
GWX 68 6.15
GMC 710 6.14
GCU 475 6.13
G1000 Cooling
System Electrical
Check*
Verify the operation of the fan power and
fan speed monitoring circuits for GIA1
Fan, GIA2 fan, PFD1 fan, MFD fan and
PFD2 fan and fan fail messages
8.1.4 220 hours max
Nose Avionics
Compartment Fans
Operational Check*
Functional test of the GIA1 and GIA2
ported fans. Verify airflow from all fan
ports
4.14 220 hours max
Instrument Panel
Fans Operational
Check*
Functional test of the PFD1, MFD and
PFD2 cooling fans. Verify airflow from
each fan
4.15 220 hours max
*
Denotes Airworthiness Limitation Maintenance Requirement (See Section 4.1)