4. Procedure
_________
(Ref. Fig. 605/TASK 53-31-00-991-007)
Subtask 53-31-00-210-055
R A. Inspection
R R R R (1) Examine the lower surface of the pressure deck membranes between FR42 thru FR46 with the connections to the longitudinal beams, side boxes, support ribs, rear spar of the wing box and the pressure bulkhead, LH/RH for: - cracks, - corrosion,
R R NOTE : If necessary, refer to the ASRM (Ref. ASRM 53-31-14-001) and____ (Ref. ASRM 53-31-16-001) for the correct repair procedures.
5. Close-up________
Subtask 53-31-00-865-057
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 2GA, 52GA.
Subtask 53-31-00-410-055
B. Close Access
(1) Close the MLG doors (Ref. TASK 32-12-00-410-001).
(2) Remove the warning notice(s).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
EFF : ALL
53-31-00Page 620
May 01/99
Lower Surface of the Pressure Deck Membranes Figure 605/TASK 53-31-00-991-007
R EFF : CES ALL 53-31-00 Page 621 May 01/99
TASK 53-31-00-210-007
Detailed Visual Inspection of Keelbeam Box
1. Reason for the Job
__________________
Refer to the MPD TASK: 533151-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific lint-free cloth
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 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)
EFF : ALL
53-31-00Page 622
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-10-00-864-001 Depressurize the Green Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 29-10-00-864-003 Depressurize the Blue Hydraulic System 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 51-75-13-916-001 Repair to a layer of Moisture-Removing Oil 53-35-11-000-001 Removal of the Wing-to-Fuselage Fairings 53-35-11-400-001 Installation of the Wing-to-Fuselage Fairings 53-35-13-000-001 Removal of the Belly Fairing Access Panels 53-35-13-000-002 Removal of the Quick-Release Access Panels from the
Belly Fairing Structure 53-35-13-400-001 Installation of the Belly Fairing Access Panels 53-35-13-400-002 Installation of the Quick-Release Access Panels on
the Belly Fairing Structure
ASRM 53-31-29-001 (for corrective action)
53-31-00-991-008 Fig. 606
3. Job Set-up
__________
Subtask 53-31-00-865-058
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
R **ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 53-31-00-010-056
B. 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
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