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

 (4)
 Remove the access platform(s).

R  EFF : 001-049, 051-099, 101-149, 201-299, 53-21-00Page 628 301-399, May 01/05
 CES R **ON A/C 151-199, 401-499,

 TASK 53-21-00-200-001-A
 Detailed Inspection of Frame Webs at Stringer 18 LH/RH for: FR25, 26, 27, 28, 29, 30, 34
 1.
 Reason for the Job

__________________
 Refer to the MPD TASK: 532120-01

 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
 -------------------------------------------------------------------------------
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)

 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-23-43-000-001  Removal of the Upper Sidewall Panel(s)
 25-23-43-400-001  Installation of the Upper Sidewall Panel(s)
 25-23-44-000-001  Removal of the Lower Sidewall-Panels (Dado Panels)
 25-23-44-400-001  Installation of the Lower Sidewall-Panels (Dado
 Panels)
 52-10-00-010-001  Opening of the Passenger/Crew Door
 52-10-00-410-001  Closing of the Passenger/Crew Door
 SRM  511100 P.Block 001  (for corrective action)
 SRM  512200 P.Block 001  (for corrective action)
 53-21-00-991-001-A  Fig. 605A
 3. Job Set-up__________
 Subtask 53-21-00-010-087
 A. Get Access

 (1)
 Put an access platform in position at zone 231 (232).

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

 (3)
 Remove the linings and the insulation panels between FR24 and FR35 in zone 231 (232) at STGR18: 231GW, 231KW, 231NW, 231RW, 232GW, 232KW, 232NW, 232RW (Ref. TASK 25-23-44-000-001), 231HW, 231LW, 231PW, 231SW, 232HW, 232LW, 232PW, 232SW (Ref. TASK 25-23-43-000-001).

 Subtask 53-21-00-110-090
 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 area with CLEANING AGENTS (Material No. 11-004) and a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003), if necessary.
 4. Procedure
_________
 Subtask 53-21-00-220-080
 A. Inspection
 (Ref. Fig. 605A/TASK 53-21-00-991-001-A)

 (1)
 Do a detailed inspection of the frame webs at STGR18 for: FR25, FR26, FR27, FR28, FR29, FR30, FR34, left and right sides.

 (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 this type of damage, refer to the Structural Repair Manual (Ref. SRM 511100 P.Block 001) for damage classification and corrective action.

 5. Close-up
________
 Subtask 53-21-00-410-084
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the linings and the insulation panels between FR24 and FR35 in zone 231 (232) at STGR18: 231GW, 231KW, 231NW, 231RW, 232GW, 232KW, 232NW, 232RW (Ref. TASK 25-23-44-400-001), 231HW, 231LW, 231PW, 231SW, 232HW, 232LW, 232PW, 232SW (Ref. TASK 25-23-43-400-001).
　
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