B. Fuel Configuration
(1)
Move the fuel to another tank (Ref. TASK 28-25-00-869-001) or defuel the tank (Ref. TASK 28-25-00-650-001) as applicable.
(2)
Drain all of the remaining fuel from the tank through the water drain valves (Ref. TASK 28-25-00-650-003).
Subtask 57-20-00-010-058
C. Get Access WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1)
Put the access platform in position below the zone 540(640).
(2)
Remove the applicable access panels:
-
for the left wing, remove 540AB
-
for the right wing, remove 640AB, (Ref. TASK 57-27-11-000-001).
(3)
Open the RIB2 surge doors:
-
for the left wing, open 540AZ, 540BZ
-
for the right wing, open 640AZ, 640BZ.
(4)
Install the HOOK-COVER (RIB 2 SURGE DOORS) (98D57004013000) on the forward surge doors.
(5)
Install the HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000) on the aft surge doors.
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4. Procedure
_________
R (Ref. Fig. 611/TASK 57-20-00-991-010)
Subtask 57-20-00-110-059
A. Preparation for Inspection
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1) Use a clean MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-004), to clean:
-the top-skin stringer crown-fittings at the root joint.
Subtask 57-20-00-210-057
B. Detailed Visual Inspection of the Outer Wing Top-Skin Stringer Crown Fittings at the Root Joint, from the Front to the Rear Spars
(1) Examine the top-skin stringer crown-fittings at the root joint. Make sure that:
-
there is no corrosion or damage
-
there are no scratches or scores
-
there are no loose or damaged fasteners
-the surface protection is in the correct condition.
NOTE : If necessary, refer to the ASRM (Ref. ASRM 572100) for the
____
correct repairprocedure.
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R Details of the Top-Skin Stringer Crown Fittings Figure 611/TASK 57-20-00-991-010
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5. Close-up
________ Subtask 57-20-00-410-059
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the HOOK-COVER (RIB 2 SURGE DOORS) from the forward surge doors.
(3)
Remove the HOOK-COVER (RIB2-SURGE DOORS) from the aft surge doors.
(4)
Close the RIB2 surge doors:
-
for the left wing, close 540AZ, 540BZ
-
for the right wing, close 640AZ, 640BZ.
(5)
Install the applicable access panels:
-for the left wing, install 540AB
-for the right wing, install 640AB, (Ref. TASK 57-27-11-400-001). Subtask 57-20-00-942-059
B. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 57-20-00-200-010
Detailed Inspection of Outer Wing, Top Skin Stringers, Between RIB 1 and RIB 8, including Runouts and Air Transfer Holes, Stringer Joints....
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Refer to the MPD TASK: 572020-01 Detailed inspection of outer wing, top skin stringers, between RIB1 and RIB8, including runouts and air transfer holes, stringer joints, and butt strap, at stringer 11.
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