AIRPLANE OPERATIONAL AND FUNCTIONAL CHECK

AIRPLANE OPERATIONAL AND FUNCTIONAL CHECK
CIRRUS
AIRPLANE MAINTENANCE MANUAL
MODEL SR22
AIRPLANE OPERATIONAL AND FUNCTIONAL CHECK
1. DESCRIPTION
The following check must be performed before and after the Scheduled Maintenance Inspection to detect
any airplane abnormalities or malfunctions. A portion of the check is accomplished with the engine running
and warmed up.
WARNING:
In order to perform the following check the engine must be operating. Do not stand or
let anyone else stand close to the arc of the airplane’s propeller while conducting this
check.
CAUTION:
During all engine operations outlined in this check, exercise caution to avoid harm or damage to personnel and equipment due to propeller blast and rotating propeller blades.
CAUTION:
Excessive engine temperatures must be avoided since run-up temperatures must closely
parallel in-flight temperatures.
EFFECTIVITY:
All
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AIRPLANE MAINTENANCE MANUAL
Operational Inspection Report
1. Flight Controls
Check for full range of travel and excessive friction. Visual Inspection
for obstructions.
2. Engine Controls
Check full range of motion without any obstruction or excessive friction
to travel. Power lever should provide a slight resistance at detents and
have positive clearance to the console slot in both the full forward and
full aft positions.
3. Battery 2 Master Switch
When switch is toggled ON the following should occur:
Serials 0002 thru 0434, 0435 thru 0820 w/o PFD:
a. Voltmeter indicates at least 24 volts on battery 2.
b. ALT 1 and ALT 2 Caution lights illuminate.
c. Flap position light off.
d. Attitude gyro low voltage flag hidden.
e. HSI HDG flag hidden within five minutes.
f. Turn Coordinator low voltage flag hidden.
g. Autopilot ready indication after gyro spool up.
Serials 0435 thru 0820 w/ PFD, 0821 thru 1601, 1603 thru 1643, 1645
thru 1662:
a. Voltmeter indicates at least 24 volts on battery 2.
b. ALT 1 and ALT 2 Caution lights illuminate.
c. Flap position light off.
d. Autopilot ready indication after gyro spool up.
e. PFD aligned within five minutes with no error messages.
f. Standby attitude gyro aligned within five minutes.
Serials 1602, 1644, 1663 & subs:
a. PFD indicates at least 24 volts on Essential Bus.
b. ALT 2 Caution light illuminates.
c. Flap position light off.
d. Autopilot ready indication on both PFD and flight guidance programmer/computer after gyro spool up.
e. PFD aligned within five minutes with no error messages.
f. Standby attitude gyro aligned within five minutes.
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MODEL SR22
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CIRRUS
AIRPLANE MAINTENANCE MANUAL
Operational Inspection Report (Continued)
MODEL SR22
Chk’d
Notes
4. Battery 1 Master Switch
When switch is toggled ON the following should occur:
Serials 0002 thru 0434, 0435 thru 0820 w/o PFD:
a. ALT 1 and ALT 2 fail lights should be on.
b. Flap position light illuminates.
c. Engine instruments operational, MAP gage should indicate approximately the altimeter setting.
d. Ammeter select switch should show slight discharge when battery
selected.
Serials 0435 thru 0820 w/ PFD, 0821 thru 1601, 1603 thru 1643, 1645
thru 1662:
a. ALT 1 and ALT 2 fail lights should be on.
b. Flap position light illuminates.
c. Engine instruments operational, MAP gage should indicate approximately the altimeter setting.
d. Ammeter select switch should show slight discharge when battery
selected.
e. Turn battery 2 to the off position and verify PFD remains functional.
f. Verify voltmeter indicates at least 24 volts on battery 1.
Serials 1602, 1644, 1663 & subs:
a. ALT 1 and ALT 2 fail lights should be on.
b. Flap position light illuminates.
c. Engine parameters on PFD are operational, MAP display should
indicate approximately the altimeter setting.
d. Turn battery 2 to the off position and verify PFD remains functional.
e. Verify PFD indicates at least 24 volts on Main Bus.
5. Pitot Heater
Set PITOT HEAT switch to ON position and verify pitot tube heat.
6. Ice Protection System Porous Panels
Set ice protection switch to the MAXIMUM position and verify evidence
of de-icing fluid from porous panels.
7. Start Engine (Refer to POH Section 4)
Starter spins propeller rapidly without slipping or dragging. Set engine
speed at 1000 RPM.
8. Oil Pressure
Indicates in the green arc within 30 seconds. If extremely cold, oil pressure may be in yellow arc for one to two minutes.
9. Flaps
Operate through full extension and retraction for steady and complete
deployment. Flap position light illuminates at the retracted, 50%, and
100% positions.
10. Trim Controls
Aileron trim functions fully left and right without rudder movement
caused by the rudder-aileron interconnect. Check for full range of travel
and excessive friction.
EFFECTIVITY:
All
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AIRPLANE MAINTENANCE MANUAL
Operational Inspection Report (Continued)
11. Altimeter
Indicates within 50 feet of field elevation when set to correct barometric
pressure setting.
12. Vertical Speed Indicator
Indicates zero.
13. Communications
a. Verify all four headset jacks operate properly.
b. Music is muted during transmissions and receptions.
c. Verify the communications capability on both the high and low ends
of the VHF COM band.
14. Lighting
Verify lighting controls, avionics light sensors and lights operate properly:
Serials 0002 thru 0434, 0435 thru 0820 w/o PFD:
a. Landing light.
b. Navigation lights
c. Anticollision lights
d. Instrument backlighting: ASI, AH, VSI, DG, CDI, Clock, Altimeter,
Turn Coordinator, and engine instrumentation.
e. Avionics brightness: Audio Panel, GPS/COM/NAV 1 & GPS/COM 2,
Transponder, and optional avionics.
f. MFD, HSI brightness
Serials 0435 thru 0820 w/ PFD, 0821 thru 1601, 1603 thru 1643, 1645
thru 1662:
a. Landing light.
b. Navigation lights
c. Anticollision lights
d. Instrument backlighting: ASI, AH, Altimeter, and engine instrumentation.
e. Avionics brightness: Audio Panel, GPS/COM/NAV 1 & GPS/COM 2,
Transponder, and optional avionics.
f. PFD, MFD display and bezel key brightness.
Serials 1602, 1644, 1663 & subs:
a. Landing light.
b. Navigation lights
c. Anticollision lights
d. Instrument backlighting: ASI, AH, and Altimeter.
e. Avionics brightness: Audio Panel, GPS/COM/NAV 1 & GPS/COM 2,
Transponder, and optional avionics.
f. PFD, MFD display and bezel key brightness.
15. Alternator 1 Load
Increase RPM to 1000. Check that LOW VOLT light is off. Ammeter
indication shows no current discharge with full avionics, landing light,
pitot heat, and navigation lights operating.
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EFFECTIVITY:
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MODEL SR22
Chk’d
Notes
CIRRUS
AIRPLANE MAINTENANCE MANUAL
Operational Inspection Report (Continued)
MODEL SR22
Chk’d
Notes
16. Magneto RPM Drop
Decrease RPM to 1700. Check that a 0 to 100 RPM drop occurs while
operating on one magneto and no more than a 50 RPM drop difference
between left and right magnetos. Reduce RPM to 1000.
17. Fuel Selector Valve
Move selector to RIGHT and LEFT positions. Verify fuel flow.
18. Alternate Induction Air
Pull alternate induction air knob. Engine RPM and MAP should show a
slight drop.
19. Alternator 2 Load
Increase RPM to 2000. Check that LOW VOLT light is off. Ammeter
indication shows no current discharge with full load applied to essential
bus.
20. Engine Full Power
Advance throttle to full forward. Engine RPM should indicate between
2625 and 2700 RPM in a no wind environment or with airplane nose
perpendicular to wind.
21. Fuel Flow
Advance throttle to full forward. Verify fuel flow indicates approximately
26 to 29.5 gal/hr.
22. Oil Temperature
Indicates in the green arc.
23. Cylinder Head Temperature
Verify temperature indicates in the green range.
24. Brakes
Rudder pedal brakes should hold airplane stationary with no slipping at
full power. Parking brake should hold airplane stationary with no slipping at full power.
25. Propeller Governor
Set throttle to propeller check (first) detent. Propeller governor should
maintain engine RPM at approximately 2000 RPM.
26. Engine Idle
Move throttle control lever to full aft. Engine RPM should indicate
between 600 and 750 RPM with the mixture full rich.
27. Magneto Grounding
Set engine speed to 1000 RPM. Engine should cease to fire when
magneto momentarily switched to OFF position.
28. Engine Cut Out and Shut Down
Move mixture control lever slowly toward idle cutoff. Engine RPM
should increase by 50 ± 20 RPM before engine begins to cut out. Move
mixture control lever full aft to shut down engine.
EFFECTIVITY:
All
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AIRPLANE MAINTENANCE MANUAL
Intentionally Left Blank
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EFFECTIVITY:
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MODEL SR22
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