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 CES

 Cabin Floor Structure between FR24 and FR35 Figure 623/TASK 53-21-00-991-026 
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 CES 

 5. Close-up
________

 Subtask 53-21-00-410-080
 A. Close Access
 (1)
 Install the cabin floor panels (Ref. TASK 53-32-12-400-002).

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

 (3)
 Close the forward passenger/crew door 831 (841), (Ref. TASK 52-10-00-410-001).

 (4)
 Remove the access platform(s).

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 CES  **ON A/C 301-399,

 TASK 53-21-00-210-001-A
 General Visual Inspection of Cabin Floor Structure, Excluding Areas below Galleys and Toilets (if Installed) and Emergency Exit Entrance Area, between...
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 532102-01
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  access platform 3.50 m (11 ft. 6 in.)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific making 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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May 01/05
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 CES

 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-10-00-010-001 Opening of the Passenger/Crew Door 52-10-00-410-001 Closing of the Passenger/Crew Door 53-32-12-000-002 Removal of the Cabin Floor Panels 53-32-12-400-002 Installation of the Cabin Floor Panels SRM 511100 P.Block 001 (for corrective action) SRM 512200 P Block 001 (for corrective action) 53-21-00-991-027 Fig. 624
 3. Job Set-up
__________
 Subtask 53-21-00-010-085
 A. Get Access
 (1)
 Put an access platform in position at the zone 831 (841).

 (2)
 Open the forward passenger/crew door 831 (841), (Ref. TASK 52-10-00-010-001).

 (3)
 Remove the cabin floor panels (Ref. TASK 53-32-12-000-002).

 Subtask 53-21-00-110-089
 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.
 (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.
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 CES  4. Procedure

_________
 Subtask 53-21-00-210-074
 A. Inspection
 (Ref. Fig. 624/TASK 53-21-00-991-027)

 (1)
 Do a general visual inspection of the cabin floor structure, between FR24 and FR35.8. This inspection includes the seat tracks and cross beams. This inspection does not include the areas below the galleys and toilets and the emergency exit entrance area.

 (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 of corrosion, inspection, removal and corrosion protection.

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