4. Procedure
_________
 Subtask 53-11-00-220-052
 A. Inspection R (Ref. Fig. 635/TASK 53-11-00-991-048)
 (1)
 Do a detailed inspection of the internal structure below the batteries between FR10 and FR16.

 (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.Block 001) for types, 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.
 Subtask 53-11-00-916-055
R B. Application of the Temporary Protection R (Ref. Fig. 635/TASK 53-11-00-991-048)
 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.
 (1)
 Apply masking paper or masking tape BONDING AND ADHESIVE COMPOUNDS (Material No. 08-074) on the equipment and fittings adjacent to the area.

 (2)
 Apply a layer of STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to the inspection area.

 (3)
 Remove the masking tape or the masking paper.

R R  Fuselage Internal Structure - Below Batteries, between FR10 and FR16 Figure 635/TASK 53-11-00-991-048- 12 (SHEET 1)
 EFF :  ALL  53-11-00 Page A636 Aug 01/03
 CES 

R R  Fuselage Internal Structure - Below Batteries, between FR10 and FR16 Figure 635/TASK 53-11-00-991-048- 22 (SHEET 2)
 EFF :  ALL  53-11-00 Page A637 Aug 01/03
 CES 

 5. Close-up________
 Subtask 53-11-00-410-076
 A. Close Access
 (1) Install the insulation blankets (Ref. TASK 25-80-00-400-001).
 (2) Make sure that the work area is clean and clear of tool(s) and other items. 
R R  (3) Close the avionics compartment door 822 (Ref. TASK 52-41-00-410-002) .
 (4) Remove the access platform(s).

 TASK 53-11-00-210-804

 General Visual Inspection of Fuselage Internal Structure below Galley and Toilet, between FR12 and FR15 and between STRG 23 LH and STRG 23 RH
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 531169-01
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific masking paper No specific masking tape No specific access platform 1.80 m (5 ft. 11 in.)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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)
 EFF : ALL  53-11-00Page A639

Aug 01/03
R
 CES

 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-80-00-000-001 Removal of the Insulation Blankets 25-80-00-400-001 Installation of the Insulation Blankets R 53-11-00-991-049 Fig. 636
 3. Job Set-up
__________
 Subtask 53-11-00-010-095
 A. Get Access
 (1)
 Put an access platform at zone 125 (126).

 (2)
 Open the lateral avionics-compartment doors 812 (822).

 (3)
 Remove the insulation (Ref. TASK 25-80-00-000-001).

 Subtask 53-11-00-110-110
 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.
　
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