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and the seals for condition and security. 200    X X 
57-00 WINGS       
57-00 General       
57-00 1) Visually inspect the wing structure for
corrosion - refer to 57-00-00 201. 000      2000 hrs or 5 years
 NOTE : For salty or highly humid
 operating atmospheres, the inspection shall be performed every 2000 hours or 3 years.    NOTE   
57-00 2) Thoroughly examine the spar flanges/skin junction from root to N4 rib for corrosion - refer to 57-00-00 201. 000      4000 hrs
or 8 years,
then
 NOTE : If PR is applied between (upper and lower surface) skin and spar for repair, do the inspection at    2000 hrs or 4 years NOTE   
 10000 hrs or 10 years.       
57-10 Splicing       
57-10 1) Visually inspect all the wing splices, check for cracks and evidence of corrosion on the splices ; make sure the nuts have not rotated, in case of doubt, torque the nuts -refer to 20-00-01 201. 000    X X 
57-10 2) Check the pins of the L.H. wing-to-fuselage front, main and rear attachments ; make sure the nuts have not rotated, in case of doubt, torque the nuts - refer to 500    X X 
 20-00-01 201.       
57-10 3) Check the pins of the R.H.
wing-to-fuselage front, main and rear attachments ; make sure the nuts have not rotated, in case of doubt, torque the nuts -refer to 20-00-01 201. 600    X X 

NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform the operations identified with a "0" unless the annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations.
AHAA
Validity : S / N 1 - 9999 05-20-01Page 234
(IA) JUN 01
 

ATA OPERATIONS Area INSPECTIONS
   1st
25 hrs 50
hrs 100
hrs Major Ann. Other
57-20 WINGS       
57-20 1) Visually inspect the L.H. main-landing-gear attachment area for loose rivets, distortion, cracks and evidence of corrosion. 500   X X 0 NOTE 1
57-20 2) Visually inspect the L.H. main-landing-gear hinged strut attachment bearing and the retraction actuator attachment fitting. 500   X X 0 NOTE 1
　
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