TB 20 MAINTENANCE MANUAL 05 TIME LIMITS MAINTENANCE CHECKS TB20飞机维护手册 05 时间限制维护检查 2(11)

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53-00 Post-MOD. 151 700  
 15) Visually inspect the retractable footstep
extension-retraction system, check the cable and the spring for condition.   
32-30 All 000  
 16) Perform an operational test of the landing gear operating mechanism and indicating system, normal and
emergency configurations - refer to 32-30-00 201 ; also check the nose landing gear setting - refer to   
 32-20-00 501.   
32-30 17) Test the nose landing gear compensating cylinders - refer to 32-30-06 201 and, if necessary, test the main landing gear compensating springs - refer to 32-30-05 201. 000  
32-30 Post-MOD. 151 000  
 18) Check the travel of the retractable footsteps and their interconnection with the main landing gears.   
20-00 All 700  
 19) Reinforce the anticorrosion protection - refer to   
 20-00-04 201 and lubricate - refer to 12-21-05 201.   

AIAA
Validity : S / N 1 - 9999 05-20-04 ,,,,, Page 209
JUN 01
 

ATA "4A" INSPECTION - 100 HOURS
L.H. WING INSPECTION (AREA 500) AREA OTHER
INSPECTION PERFORMED
BY
57-00 L.H. WING INSPECTION (AREA 500) 500  
57-00 1) Perform an overall visual inspection of area 500. 500  
11-00 2) Check installation and legibility of exterior placards and markings - refer to 11-20-00 1. 500  
27-50 3) Remove and clean the L.H. flap control bellcrancks. 500 1000 hrs 
 Perform a detail examination. Lubricate. Install.   
27-50 4) Visually inspect (do not remove) the flap control linkage for security of attach fittings, play, evidence of wear, interference and corrosion - refer to 27-50-01 201. 000 1000 hrs 
30-10 5) Visually inspect the porous leading edges (if installed) on the L.H. wing. 500  
57-00 6) 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 7) 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 10000 hrs or 10 years. NOTE 2000 hrs or 4 years 
　
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