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Inspection of the Internal Attachment Area of the Piano Hinge Fittings
Figure 602/TASK 52-32-11-991-019
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Inspection of the Internal Attachment Area of the Piano Hinge Fittings
Figure 602A/TASK 52-32-11-991-019-A
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Subtask 52-32-11-210-054
A. Visual Inspection of the inner Attachment Area of the Piano Hinge
Fittings
(1) Examine the upper door structure from the inner side for corrosion and cracks.
(a) If you find corrosion,
-determine the extent of the corroded area (Ref. SRM 52-30-00),
-remove the damage when it is less than the limit (Ref. SRM 51-74-00).
NOTE : When the corroded area is larger than the limit, repair
____ the affected internal attachment area.
(b) If you find a crack, repair it immediately (Ref. SRM 51-73-00).
(2)
Make sure that the Hi-Lok rivets are correctly tightened.
(3)
Make sure that the attachment screws and nuts of the piano hinge fittings are correctly tightened and not damaged.
(4)
Make sure that the paint coat in the internal attachment area is in the correct condition (Ref. TASK 51-75-12-300-001).
5. Close-up
________ Subtask 52-32-11-865-057
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1MJ, 3801GX, 3802GX, 3803GX
Subtask 52-32-11-410-053
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the lining and the insulation of the cargo door (Ref. TASK 52-32-13-400-001).
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(3)
Remove the actuator safety locks and close the AFT cargo door (Ref. TASK 52-30-00-860-002).
(4)
Remove the access platform(s).
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TASK 52-32-11-200-005
Detailed Visual Inspection of AFT Cargo Compartment Door Hinge Fittings and External Attachment Area
1.
Reason for the Job
__________________
Refer to the MPD TASK: 523118-01
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 access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump CMM 52-31-12 SRM 51-73-00 SRM 51-74-00 SRM 52-30-00
3. Job Set-up
__________ Subtask 52-32-11-010-054
A. Aircraft Maintenance Configuration
(1)
Open the AFT cargo door and safety it with the actuator safety locks (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform in position below the opened cargo door.
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Subtask 52-32-11-865-058
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/HYD POWER/Y 122VU DOORS/CARGO 123VU Y HYD/ELEC/PUMP 123VU Y HYD/ELEC/ELEC PUMP/NORM 3803GX 1MJ 3802GX 3801GX N30T12AB06AB03
4. Procedure_________
Subtask 52-32-11-210-055
R A. Detailed Visual Inspection of the Door Hinge Fittings and Attachment Area
R R (1) Do a check of the door hinge fittings on the top of the cargo door for scratches, cracks and corrosion (inspection area "A").
R R (a) If you find a scratch: - measure the dimensions of the damaged area (Ref. SRM 52-30-00) - if the scratch is less than the limit, remove the damage (Ref. SRM 51-73-00) - if the scratch is more than the limit, repair the defective fitting (Ref. SRM 52-30-00) or replace it (Ref. CMM 52-31-12).
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