(2)
Make sure that the surface of the inspection area is clean and smooth.
(3)
Do a visual check of the inspection area for damage or
discontinuities.
(4)
Make sure that there is no:
(a)
Corrosion damage:
-If you find corrosion damage, refer to the Structural Repair Manual (Ref. SRM 512200,P.Block 001) for types of corrosion, inspection, removal and corrosion protection.
(b)
Other damage (cracks, scratches, stress, marks, dents, bumps, ...):
-If you find other damage, refer to the Structural Repair Manual (Ref. SRM 511100,P.Block 001) for damage classification and corrective action.
4. Procedure
_________
Subtask 57-10-00-250-053
A. Inspection
(Ref. Fig. 608/TASK 57-10-00-991-027)
(1)
Do a special detailed inspection of the center wing box, drain holes on STIF13 and STIF14 on bottom skin, upper surface structure. Refer to the Non-destructive Testing manual (Ref. NTM 571136,P.Block-601).
(2)
Make a report of damage after NDT inspection:
(a)
Corrosion damage:
-If you find corrosion damage, refer to the Structural Repair Manual (Ref. SRM 512200,P.Block 001) for types of corrosion, inspection, removal and corrosion protection.
(b)
Other damage (cracks, scratches, stress, marks, dents, bumps...):
-If you find other damage, refer to the Structural Repair Manual (Ref. SRM 511100,P.Block 001) for damage classification and corrective action.
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5. Close-up
________ Subtask 57-10-00-410-063
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access covers 147AZ, 148AZ (Ref. TASK 57-17-11-400-001).
(3)
Remove the access platform(s).
(4)
Close the main landing-gear doors (Ref. TASK 32-12-00-410-001).
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TASK 57-10-00-200-016
Detailed Inspection of Center Wing Box, Lower Skin Lower Surface, from FR36 to FR42, between RIB1 LH and RIB1 RH, Covered by Vapor Seal
1. Reason for the Job
__________________
Refer to the MPD TASK: 571155-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2 m (6 ft. 7 in.) No specific 1 FLASHLIGHT
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)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-52-41-000-001 Removal of the Air Conditioning Pack 10HM (11HM) 21-52-41-400-001 Installation of the Air Conditioning Pack 10HM (11HM) 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 53-35-11-000-001 Removal of the Wing-to-Fuselage Fairings 53-35-11-400-001 Installation of the Wing-to-Fuselage Fairings 53-35-13-000-002 Removal of the Quick-Release Access Panels from the
Belly Fairing Structure 53-35-13-400-002 Installation of the Quick-Release Access Panels on
the Belly Fairing Structure SRM 512200-P.Block001 SRM 511100-P.Block001 (for corrective action) 57-10-00-991-015 Fig. 609
3. Job Set-up
__________
Subtask 57-10-00-010-074
A. Get Access
(1)
Open the Main Landing-Gear doors (Ref. TASK 32-12-00-010-001).
(2)
Put an access platform in position at the zones 191, 192, 195 and
196.
(3)
Remove the wing-to-fuselage fairings: 191CT, 192CT, 191LB and 192LB (Ref. TASK 53-35-11-000-001).
(4)
Remove the quick-release access panels: 191BB, 191EB, 191KB, 192EB, 192FB, 192KB, 195AB and 196AB (Ref. TASK 53-35-13-000-002).
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