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(EA) JUN 02 WINGS INSPECTION / CHECK NOTE : This procedure is applicable to L.H. and R.H. installations. Information specific to R.H. installation are given in square brackets. 1. INSPECTION - WINGS A. Tools and consumable materials - Flashlight - Swivel inspection mirror - Borescope - Cleaning agent (TB 11-002) - Cleaning agent (TB 11-019) - Cleaning agent (TB 11-904) - Cleaning agent (TB 11-905) - Clean lintfree cloths B. Preliminary steps NOTE : The inspection must be carried out once the areas to be inspected (upper and lower surface skins, landing gear box, etc...) have been carefully cleaned. 1) Perform an external inspection of the fuel tanks, with full fuel - refer to 28-10-00. 2) Drain the fuel tanks - refer to 12-11-02. 3) Ventilate the fuel tanks - refer to 12-11-03. 4) Remove junction fairing 217L [217R] - refer to 06-30-00. 5) Remove the cowlings under hull 218A and 218F - refer to 06-30-00. Post-MOD. 151 6) Remove footstep fairings 2111 L [2111 R] - refer to 06-30-00. All 7) Remove the wing tips - refer to 57-30-00. NOTE : If the wing tips are riveted, remove the rivets. 8) Extend the flaps. AAAA Validity : S / N 1 - 9999 57-00-00 Page 601 57 (EA) JUN 02 9) Install the warning sign prohibiting main switch-breaker operation. WARNING DO NOT OPERATE MAINTENANCE WORK IN PROGRESS 10) Remove all wing inspection doors - refer to 52-40-00. NOTE : To facilitate the inspection, it is recommended to install two additional doors on the wing lower surface, between N5 and N6 ribs aft of the spar, and between N9 and N10 ribs forward of the spar. Order Kits OPT10 918700 and 918800. 11) Remove and mark the rods of the roll control in the wings. 12) Remove the anti-skid coating on the wing - refer to Page 301. C. Inspection of the wings NOTE : If symptoms of corrosion (blisters, tulip-deformed rivets, etc.) are detected, especially along the spar and in particular in the N1 to N4 area (wing lower and upper surfaces), perform a corrosion inspection - refer to Paragraph 2. 1) Inspect the overall external appearance of the upper and lower surface skins for : - impacts, distortions, scratches, cracks and blisters due to corrosion (especially in the spar aera), - loose rivets, - overall condition of the paint, especially around rivet heads, - correct condition and positioning of the wing root seal, - blockage of the drain tubes, - blockage of the fuel tank vent tube, - condition and security of the outside air temperature sensor, if installed, - condition and security of the pitot tube, - condition and security of the stall warning indicator, 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 57 机翼 TB20飞机维护手册(10) |
