(2)
 Install the applicable access panels:

 -for the left wing, install 471AL
 -for the right wing, install 472AR. Subtask 57-20-00-942-069
 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.

 1EFF : ALL 1 57-20-00Page A604 1 1 Aug 01/05R 1 1 1CES 1

 TASK 57-20-00-200-020

 Detailed Visual Inspection of the Outer Wing Bottom Skin Lower Surface at Attachment to Rear Spar between RIB1 and RIB8, excluding areas covered by....
 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: 572032-01 Detailed visual inspection of the outer wing bottom skin lower surface at attachment to rear spar between RIB1 and RIB8, excluding areas covered by main landing gear reinforcing plate, flap track 2 fairing and pylon fairing.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers No specific warning notices No specific access platform 2 m (6 ft. 7 in.) 98D27803500001 1 TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-004  USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
 Material No. 19-003  USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 1EFF : ALL 1 57-20-00Page A605 1 1 Aug 01/05R 1 1 1CES 1

 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 57-20-00-991-021 Fig. 620
 3. Job Set-up
__________
 Subtask 57-20-00-941-069

 A. Safety Precautions
 (1)
 Install the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) on the flap/slat control lever.

 (2)
 Put warning notices in the cockpit to tell persons not to operate the flaps or slats.

 (3)
 Put the safety barriers in position.

 (4)
 Put the access platform in position below the applicable zones 571(671) and 574(674).

 4. Procedure
_________ R (Ref. Fig. 620/TASK 57-20-00-991-021) Subtask 57-20-00-110-070
 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.

 Details of the Bottom-Skin Lower-Surface at the Attachment to the Rear Spar -RIB1 thru RIB8 R Figure 620/TASK 57-20-00-991-021

 (1) Use a clean MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-004), to clean:
 -
the lower surface of the bottom skin at the attachment to the rear spar between RIB1 and RIB8. Do not include the areas covered by:

 -
the main landing gear reinforcing plate

 -
the flap track 2 fairing

 -
the pylon fairing.

 Subtask 57-20-00-210-066
 B. Detailed Visual Inspection of the Outer-Wing Bottom Skin Lower-Surface at the Attachment to the Rear Spar between RIB1 and RIB8, Excluding Areas Covered by the Main Landing Gear Reinforcing-Plate, Flap Track 2 Fairing and Pylon Fairing
 (1) Examine the bottom-skin lower-surface at the attachment to the rear spar between RIB1 and RIB8. Do not include the areas covered by:
 -
the main landing gear reinforcing plate

 -
the flap track 2 fairing
　
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