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PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
A. Scheduled Maintenance (continued)
6. Event 2 (continued)
(d) Landing Gear, Detailed (continued)
Nose Left Right
(20) Inspect gear doors and attachments for security, cracks, loose or missing rivets, condition,
damage, proper operation and fit. (See 100 Hour and 1000 Hour Special Inspections.)
(21) Inspect actuating cylinders and lines for leaks, damage, corrosion, scoring and
security.
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(22) Inspect all wiring and wiring harness for condition, security, damage, chafing and
corrosion. Check switches for adjustment, security and operation.
(23) Check gear retraction and extension operations.
(24) Lubricate per Lubrication Chart. (Refer to 12-10-00).
WARNING: DO NOT REMOVE JACKS UNTIL IT HAS BEEN DETERMINED
THAT THE LANDING GEAR IS DOWN AND LOCKED AND ANTI-
RETRACTION SYSTEM HAS BEEN CHECKED.
(25) Place weight of aircraft on landing gear. (Do Not Remove Jacks.)
(26) Check anti-retraction system for proper operation.
(27) Ensure all gears are down and locked, then remove jacks.
(28) Check wheel alignment.
(e) Left Wing, Routine (Refer to 57-00-00)
(1) Check surfaces, skins, tip tank and fairings for damage, condition, loose or missing
rivets.
(2) Inspect aileron and trim tab attachments for security, damage and operation.
(3) Inspect aileron balance weight for damage and security.
(4) Inspect flap and flap tracks for security of attachment, damage, condition and corrosion.
(5) Check that fuel tanks contain correct type fuel. Check fuel caps and anti-syphon valves
for seal, damage and operation. Inspect condition of fuel type and fuel capacity
placards. Replace if illegible.
(6) Inspect pneumatic deice boots for condition, leaks and operation. (Refer to 30-10-00).
(7) Inspect lift transducer for security of attachment, spring centering of switch blade and
corrosion. Check heat element for operation.
(8) Inspect wing tip navigation, strobe and wing inspection lights for broken lenses, wiring
and security.
(9) Lubricate per Lubrication Chart. (Refer to 12-10-00)
(f) Fuselage Forward, Routine (Refer to 53-00-00)
(1) Inspect baggage door surface, door latch mechanism, door ajar switches, light switches
and door seal for damage, condition and operation.
(2) Check radome for condition, security and latching mechanism for operation.
(3) Check battery and battery case for damage and corrosion. Check battery contactors,
cables, fuses, solenoids and wiring for condition, corrosion, security and damage.
(4) Check avionics installation for security and condition.
(5) If applicable, check electrical outside air temperature probe for corrosion, damage and
secure mounting. Inspect condition and security of wiring.
EFFECTIVITY:
040-999
5-20-00
PAGE 27
Feb 1/98
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