R **ON A/C 151-199, 401-499,
 Subtask 53-31-00-210-069-A
 A. Inspection
 (1) Examine the external surface of the window forgings and the fuselage skin in thewindow forging area between FR35 thru FR47/51, for cracks.
 NOTE : If necessary, refer to the ASRM (Ref. ASRM 53-31-11-101) for
____
 the correct repair procedure.

 **ON A/C 301-399,
 Subtask 53-31-00-210-069-B
 A. Inspection
 (1) Examine the external surface of the window forgings and the fuselage skin in thewindow forging area between FR35.8 thru FR47, for cracks.
 NOTE : If necessary, refer to the ASRM (Ref. ASRM 53-31-11-101) for
____
 the correct repair procedure.

 **ON A/C ALL
 5. Close-up
________
 Subtask 53-31-00-410-072

 A. Close Access
 (1)
 Remove the access platform(s).

 (2)
 Remove the warning notice(s).

 (3)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 EFF : ALL
53-31-00Page 690

 TASK 53-31-00-210-023

 General Visual Inspection of Main Landing Gear Bay including Main Landing Gear Door Hinges
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 533136-01
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific warning notice No specific access platform 1.6 m (5 ft. 3 in.)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-002  USA MIL-PRF-680
 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT)
 (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)
R Material No. 19-003 USA AMS 3819
R LINT-FREE COTTON CLOTH (Ref. 20-31-00)

 EFF : ALL
53-31-00Page 691

 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
 Configuration before Maintenance Action
 32-12-00-010-001 Open the Main Gear Doors for Access
 32-12-00-410-001 Close the Main Gear Doors after Access

R ASRM 53-31-16-001 (for corrective action) ASRM 53-31-29-001 (for corrective action) ASRM 53-35-11-001 (for corrective action) ASRM 53-36-11-001 (for corrective action) 53-31-00-991-024 Fig. 620
 3. Job Set-up
__________
 Subtask 53-31-00-010-070

 A. Get Access:
 (1)
 Open the MLG doors (Ref. TASK 32-12-00-010-001). WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON

_______
 THE LANDING GEAR.

 (2)
 Depressurize the aircraft hydraulic systems
 (Ref. TASK 29-00-00-864-001).

 (3)
 Put the warning notice in position to tell persons not to operate the landing gear.

 (4)
 Put the access platform in position below the main landing-gear bay.

 4. Procedure
_________ (Ref. Fig. 620/TASK 53-31-00-991-024) Subtask 53-31-00-210-071 R A. General Visual Inspection WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE SPECIAL
_______
 MATERIAL.
 THIS MATERIAL IS DANGEROUS.

 EFF : ALL
53-31-00Page 692

 Area of Inspection in the MLG Bay Figure 620/TASK 53-31-00-991-024
R  EFF : CES  ALL  53-31-00 Page 693 May 01/04 

 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.
R R  (1) Carefully clean the MLG bay and the MLG door hinges with CLEANING AGENTS (Material No. 11-002) and a MISCELLANEOUS (Material No. 19-003).
　
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