-
an inner frame lower section attached to RIB1 inside the center wing box and to the lower skin T-fitting which connects RIB1 to the lower skin panel.

 CENTER WING - INSPECTION/CHECK
______________________________ TASK 57-10-00-200-004 Detailed Inspection of the Center Wing Box Rear Spar Around Access Door Cutouts
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 571109-01
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific lint free cloth No specific torch
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-004  USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 57-17-11-400-001 Installation of the Covers 147AZ (148AZ) SRM 511100-P.Block001 SRM 512200-P.Block001 57-10-00-991-004 Fig. 601

 3. Job Set-up
__________
 Subtask 57-10-00-010-053

 A. Get Access
 (1) Remove the access covers 147AZ, 148AZ (Ref. TASK 57-17-11-000-001).
 (2) Take a torch for the inspection.
 Subtask 57-10-00-110-063

R  B. Cleaning of the Structure 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.
 WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE
_______ MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
 (1) Clean the inspection surface with CLEANING AGENTS (Material No. 11-004) and a lint free cloth if necessary.
 4. Procedure
_________
 Subtask 57-10-00-220-050

 A. Inspection
 (Ref. Fig. 601/TASK 57-10-00-991-004)

 (1)
 Do a detailed visual inspection of the rear spar of the center wing box around the access door cutouts.

 (2)
 Make sure that there is no :

 (a)
 Corrosion damage :

 -If you find corrosion damage, refer to the Structural Repair Manual (Ref. SRM 512200-P.Block001) for types, inspection, removal and corrosion protection.

 (b)
 Other damage (cracks, scratches, stress, marks, dents, bumps,..) :

 Rear Spar of the Center Wing Box
 Figure 601/TASK 57-10-00-991-004
 1EFF :  ALL  1  57-10-00 Page 603 
1  1  Feb 01/98
 1  1
 1CES  1

 -If you find this type of damage, refer to the Structural Repair Manual (Ref. SRM 511100-P.Block001) for damage classification and corrective action.
 5. Close-up
________
 Subtask 57-10-00-410-053
 A. Close Access
 (1)
 Install the access covers 147AZ, 148AZ (Ref. TASK 57-17-11-400-001).

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,

 TASK 57-10-00-220-001
 Special Detailed Inspection of Center Wing Box Rear Spar around Access Door Cutouts
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 571109-02
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific torch
 No specific access platform 2 m (6 ft. 7 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-004  USA MIL-T-81533
 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
　
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