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R R R  (1) Clean the inspection area with CLEANING AGENTS (Material No. 11-004) and a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003), if necessary.
 4. Procedure_________
 Subtask 53-11-00-210-085
R  A. Inspection (Ref. Fig. 656/TASK 53-11-00-991-065) 
R R R  (1) Do a general visual inspection of the cabin floor structure between FR21 and FR24. This inspection does not include the areas below the galleys and the toilets.
 (2) Make sure that there is no:
R R R  (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.
R R R  (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.
 (3) Make sure that all the installations are attached correctly.
 Subtask 53-11-00-916-068 
R R  B. Application of the Temporary Protection (Ref. Fig. 656/TASK 53-11-00-991-065)
 CAUTION : DO NOT APPLY TEMPORARY PROTECTION ON THE OXYGEN SYSTEMS._______ MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET: -ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS. -ON LUBRICATED SURFACES. -IN DRAIN VALVES OR OTHER ORIFICES. TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE. 
R R R  (1) Apply masking paper or masking tape BONDING AND ADHESIVE COMPOUNDS (Material No. 08-074) on the equipment and fittings adjacent to the area.

R  Cabin Floor Structure between FR21 and FR24 Figure 656/TASK 53-11-00-991-065
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 (2) Apply a layer of STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to the inspection area. 
R R R R  (3) Apply a layer of STORAGE PRESERVATION (Material No. 15-008) or STORAGE PRESERVATION (Material No. 15-007) to the lower surface of the cabin floor structure. This does not include the areas below the galleys and the toilets between FR21 and FR24. 
R  (4) Remove the masking tape or the masking paper.
 5. Close-up________
 Subtask 53-11-00-410-096 
R R A. Close Access 
(1) Install the insulation (Ref. TASK 25-80-00-400-001).
 (2) Install the floor panels between FR21 and FR24 (Ref. TASK 53-12-12-400-001).
 (3) Make sure that the work area is clean and clear of tool(s) and other items. 
R R R  (4) Close the forward passenger/crew door 831 (841), (Ref. TASK 52-10-00-410-001). 
R  (5) Remove the access platform(s).

 CES  TASK 53-11-00-210-806

 General Visual Inspection of Fuselage Internal Structure and Floor Structure, Including NLG Bay Panels, Between FR 1 and FR 12, below Cockpit Floor Panels
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 531192-01
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  access platform 1.80 m (5 ft. 11 in.)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific masking paper Material No. 08-074 MASKING TAPE (Ref. 20-31-00)
 Material No. 11-004  USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
 Material No. 15-005  AIB TN 10138 TYPE I GRADE 2 CORROSION PREVENTIVE TEMPORARY PROTECTIVE COMPOUND (Ref. 20-31-00)
 Material No. 15-006  AIB TN 10138 TYPE I GRADE 3 CORROSION PREVENTIVE TEMPORARY PROTECTIVE COMPOUND (Ref. 20-31-00)
 Material No. 19-003  USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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R
 CES  C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-80-00-000-001
25-80-00-400-001 R 52-41-00-010-002 R 52-41-00-410-002
53-12-13-000-001
53-12-13-400-001 R SRM 511100 P.Block 001 R SRM 512200 P.Block 001 R 53-11-00-991-066
3. Job Set-up
__________
　
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