S 012-309
(2)
Open the left and right fan cowl panels (AMM 71-11-04/201).
S 012-349
(3)
Open the left and right core cowl panels (AMM 71-11-06/201).
S 012-310
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(4) Open the left and right thrust reversers (AMM 78-31-00/201).
S 042-313
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(5)
Do this task: "Extended Leading Edge Flaps Deactivation and Safety Locks Installation" (AMM 27-81-00/201).
S 582-314
(6)
Level the airplane to a minimum of one-half degree (AMM 08-00-00/201).
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S 012-315
(7)
Remove the strut No. 3 forward fairing.
S 012-316
(8)
Remove access panel 462AL/472AL on the left side of the strut at NSTA 164 (AMM 54-62-00/201).
S 162-317
CAUTION:_______MAKE SURE YOU KEEP THE STRUT AREA CLEAN. TOOLS, LOOSE AND UNWANTED MATERIALS IN THE STRUT COMPARTMENTS CAN BLOCK THE REMOVAL OF THE FLUIDS THROUGH THE STRUT DRAINS. IF YOU DO NOT REMOVE THE UNWANTED MATERIALS, YOU CAN CAUSE DAMAGE TO THE STRUT.
(9) Make sure you remove all unwanted materials (spilled sealant, fasteners, tie wires, etc.) from the upper spar surfaces and the upper spar forward drain inlet (NSTA 212).
F. Forward Upper Spar Leak Test S2 - Inboard (Figs. 203 and 204)
S 792-318
(1) Apply water to the upper spar surface as follows:
(a)
Put an empty container below the outlet end of the strut forward drain (NSTA 154).
(b)
With a funnel and hose, apply water to the top surface of the upper spar and all the system penetrations between the NSTA 225 bulkhead vapor barrier and NSTA 148. 1) Apply 128 fluid ounces (1 gallon or 3785 ml) of water, in
approximatly 2 minnutes.
NOTE: This is approximately 64 fluid ounces (1/2 gallon or
____ 1900 ml) per minute for 2 minutes.
S 792-319
(2) Make sure there are no leaks as follows:
(a)
Make sure you do not see any water leaks at the strut aft drain outlet (this shows unacceptable leakage through the bulkhead vapor barrier).
(b)
Make sure there are no signs of water on the thrust reverser bulb seal or the thrust reverser inner wall. 1) If you see water, look at the fluid drain pan for correct
installation.
(c)
After three minutes, make sure that a minimum of 115 fluid ounces (3401 ml) of water has collected in the container.
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(d) Make sure there is no puddling of water in the strut area.
NOTE: Puddling is defined as more than 0.5 fluid ounce (15 ml)
____ of water in a continuous pool.
S 362-320
(3) If you found water leaks during the test, do these steps:
(a)
Look at the fluid drain pan for correct installation.
(b)
If the leak is from a tube, do the procedure to repair the tube (AMM 20-11-05/801).
(c)
If the leak is from a seal, do the procedure to seal the applicable area of the leak (AMM 51-31-01/201).
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