Aeroprakt Ltd.

24, Polevaya str., Kiev, Ukraine

Tel: 0038 044 496-77-21
Fax: 0038 044 496-77-31
e-mail: air@prakt.kiev.ua
www.aeroprakt.kiev.ua

Inspection Schedule for A-22LS aeroplane

Inspection/Servicing action  and its interval in hours  25 50 100 200 500 1000 2000
Airframe
Inspect fuselage for damage (fatigue cracks, loose rivets, etc.) X
Inspect fuselage glazing for damage (silvering, cracks, etc.) X
Inspect wings for damage (fatigue cracks, loose rivets, torn fabric
X
covering, etc.)
Inspect wing attachment points for play X
Remove the wings and inspect its spherical bearings for play and hinge
X
brackets for cracks
Inspect the wing struts for fatigue cracks, deformation and loose rivets X
Inspect the sealing fabric tape of the wing strut fairings X
Check the wing attachment bolts’ torque and locking X
Inspect the stabilizer for fatigue cracks, deformation, loose rivets and
X
play in joints
Check the stabilizer attachment bolts/nuts torque and locking X
Inspect the tail wheel for damage and play X
Check the tail wheel attachment bolt/nut torque and locking X
Inspect engine cowlings for damage (cracks, ruptures, damaged paint,
X
etc.)
Landing gear
Inspect the nose leg for fatigue cracks, deformation and play X
Check the nose leg bellcrank bolt/nut torque and locking X
Check the shock absorber condition and pressure X
1
Inspect the MLG springs and attachment beam for fatigue cracks ,
X
deformation and play
Check the MLG spring attachment bolts/nuts torque and locking X
Remove the wheel fairings and inspect the wheel tires for cracks, cuts
X
and wear.
Inspect the wheel fairings for cracks, ruptures and damaged paint X
Check the torque and locking of the fairing attachment bolts/nuts X
2
Inspect the mud-screens for fatigue cracks and deformation X
2
Check the torque and locking of the mud-screen attachment bolts/nuts X
3
Inspect the skis for damage X
3
Check the torque and locking of the ski attachment bolts/nuts X
Brake system
Inspect expansion tank for leaks, cracks, secure attachment. Check fluid
X
level.
Inspect the master cylinder for leaks of braking fluid X

1
After 5000 landings the MLG springs must be removed and inspected carefully for fatigue cracks
2
For an aircraft version on wheels with mud-screens
3
For an aircraft version on skis

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Inspection/Servicing action  and its interval in hours  25 50 100 200 500 1000 2000
Inspect the parking brake valve for leaks of the braking fluid X
Inspect the brake unit for the leaks of the braking fluid X
Measure the brake disks' wear X
Inspect the brake system tubing and joints for leaks and damage X
Engine and its control system
Inspect the engine mount for fatigue cracks and deformation X
Check the torque of the engine mount attachment bolts X
Inspect the shock absorbers for damage (deep cracks, etc.) X
Inspect the engine attachment fitting for the fatigue cracks X
4
Check the intake airbox function, condition and attachment X
Inspect the throttle and choke cables and cable sheath for wear,
X
damage, kinks
Check the torque of the throttle lever bolt (axle) X
Cooling system
Check the radiator clamps integrity and torque X
Inspect the overflow tank for leaks of coolant, cracks; check coolant level X
Inspect lines for leaks, damage (chaffing, cracks), untight joints X
Lubrication system
Inspect the oil tank plug for oil leaks; verify vent line is intact and secured X
Inspect lines for leaks and damage (chaffing, cracks), untight joints X
Fuel system
Remove fuel tanks and inspect them for fuel leaks and damage X
Inspect the shut-off and drain fuel valves for leaks of fuel X
Check condition and replace fuel filter (if necessary) X
Inspect fuel lines for leaks, damage (chaffing, cracks), untight joints X
Check condition and replace fuel lines (if necessary) X
Exhaust system
Inspect exhaust pipes and muffler for cracks X
Verify attachment springs are intact X
Propeller
Inspect propeller hub for fatigue cracks; check pitch angles X
Inspect propeller blades for damage X
Check torque and locking of the propeller bolts/nuts X
Check torque of the spinner bolts X
Airplane control system
Inspect control surfaces for fatigue cracks, deformation, loose rivets, torn
X
fabric
Check the play in the hinges of control surfaces/linkages X
Check tightness/locking of the nuts of control surfaces/linkages X
Check tightness/locking of the nuts and play in hinges of control
X
rods/shafts
Extend flaps and inspect flap extension (play in hinges, nuts
X
tightness/locking)
Grease the slide bearings of all control surfaces/linkages (where
X
necessary)
Inspect rudder control cables for wear, check cable tension X
Inspect rudder pedals for fatigue cracks and deformation X

4
For an aircraft version equipped with intake airbox

Macintosh HD:Users:peterharlow:Documents:Aircraft:A22LS Foxbat:A22LS POH:A-22LS Inspection Schedule.docLast saved 10.11.09 9:19Last printed 10.11.09 9:19
Inspection/Servicing action  and its interval in hours  25 50 100 200 500 1000 2000
Check condition of the control cable pulleys and fairleads X
Check trim tab attachment bolts/nuts for corrosion, replace if necessary X
Inspect the trim tab control cables and sheath for damage (wear, kinks,
X
etc.)
Electrical system
Verify battery charges/discharges properly, otherwise replace X
Clean starter terminals and starter relay connector of corrosion, if any X
Verify starter relay and cables are connected and attached reliably X
Verify power cables have good contact with battery, starter and ground X
Clean rectifier-regulator and condenser terminals/connectors of
X
corrosion, if any
Check condition of electric switches and warning lights X
Clean fuse block terminals of corrosion, if any. Check fuses X
Verify correct function of the fuel level sensors/indicators (check
X
readings)
Check landing light function and attaching nut torque X
Clean engine sensors' terminals and connectors of corrosion, if any X
Inspect electrical harness for damage (chaffing, broken wires, bad
X
insulation)
Pilot seats and harness belts
Inspect the seats framework for the fatigue cracks and loose rivets X
Inspect the seat cushions upholstery for damage X
Verify harness belts’ locks function properly X
Cockpit doors
Inspect door glass, framework and sealing for damage X
Verify the gas struts function properly X
Recovery system
Check attachment of the suspension cables to fuselage and parachute
X
lanyard

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