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 TASK 05-21-20-200-005
 Zonal Inspection of the AFT Avionic Compartment (Zones 127 and 128)

 1.
Reason for the Job
 Refer to the MPD TASK: ZL-127-01

 2.
Job Set-up Information

 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific access platform 2.5 m (8 ft. 2 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
52-41-00-010-002 Open the Avionics Compartment Doors for Access 52-41-00-410-002 Close the Avionics Compartment Doors after Access
 3. Job Set-up
 Subtask 05-21-20-010-054

 A. Get Access
 (1)
Put an access platform in position at zone 127.

 (2)
Open the access door 824 (Ref. TASK 52-41-00-010-002).

 4. Procedure Subtask 05-21-20-210-054
 A. Inspection
 (1)
Do a general visual inspection of the AFT avionic compartment (Zones 127 and 128).

 (2)
Make sure that there are no signs of corrosion, cracks or damage.

 (3)
Make sure that all the installations (wiring, ducting, piping) are attached correctly.

 5. Close-up Subtask 05-21-20-410-054
 A. Close Access
 (1)
Close the access door 824 (Ref. TASK 52-41-00-410-002).

 (2)
Remove the access platform(s).

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 TASK 05-21-20-200-007
 Zonal Inspection of the FWD Avionic Compartment (Zones 121 and 122)

 1.
Reason for the Job Refer to the MPD TASK: ZL-121-02

 2.
Job Set-up Information

 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2.5 m (8 ft. 2 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
53-12-13-000-001 Removal of the avionics compartment floor panels 53-12-13-400-001 Installation of the avionics compartment floor panels
 3. Job Set-up Subtask 05-21-20-010-056
 A. Get Access
 (1)
Put an access platform in position at zone 811.

 (2)
Open the avionic-compartment access door 811 and the access door 121AL.

 (3)
Remove the floor panels 121AF, 121BF, 121CF and 122BF from the forward cabin utility-area (Ref. TASK 53-12-13-000-001).

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 4. Procedure Subtask 05-21-20-210-056
 A. Inspection
 (1)
Do a general visual inspection of the forward avionic compartment (Zones 121 and 122).

 (2)
Make sure that there are no signs of corrosion, cracks or damage.

 (3)
Make sure that all the installations (wiring, ducting, piping) are attached correctly.

 NOTE : Lift the insulation blankets sufficiently to complete a correct general visual inspection as necessary.
 5. Close-up Subtask 05-21-20-410-056
 A. Close Access
 (1)
Install the floor panels 121AF, 121BF, 121CF, 122BF (Ref. TASK 53-12-13-400-001).

 (2)
Close the access door 121AL and the avionic-compartment access door

 811.

 (3)
Remove the access platform(s).

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 TASK 05-21-20-200-008 Zonal Inspection of the Lateral Avionic Compartment
 1.
Reason for the Job Refer to the MPD TASK: ZL-125-02

 2.
Job Set-up Information

 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2.5 m (8 ft. 2 in.)
　
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