Integrity Test of the Flight Control System
TASK 27-96-00-710-023-A
Integrity Test of the Flight Control System
To do an integrity test of the flight control system after maintenance operation on system electrical installation.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 27-96-00-860-090-A ** ON A/C NOT FOR ALL
Subtask 27-96-00-710-080-A ** ON A/C NOT FOR ALL
Subtask 27-96-00-860-091-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:00:04 UTC
Integrity Test of the Flight Control System
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
ZONE: 210
1. Reason for the JobTo do an integrity test of the flight control system after maintenance operation on system electrical installation.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| 822 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 27-96-00-740-001-A | BITE Test of the EFCS (Ground Scanning) |
| TASK 29-10-00-863-001-A | Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart |
| TASK 29-10-00-863-002-A | Pressurize the Yellow Hydraulic System with a Hydraulic Ground Power-Cart |
| TASK 29-10-00-863-003-A | Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart |
| TASK 29-10-00-863-003-A-01 | Pressurize the Blue Hydraulic System with the Blue Electric Pump |
| TASK 29-10-00-864-003-A | Depressurize the Blue Hydraulic System |
| TASK 29-23-00-864-001-A | Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU |
| TASK 29-24-00-864-001-A | Depressurize the Yellow Hydraulic System |
| TASK 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
Subtask 27-96-00-860-090-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU:
(6) On the center pedestal, on the ECAM control panel, push:
Subtask 27-96-00-860-090-B ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU:
- Make sure that the FLT CTL/ELAC 1, FLT CTL/SEC 1 and FAC 1 pushbutton switches are pushed (on these pushbutton switches, the OFF and FAULT legends are off).
- Make sure that the FLT CTL/ELAC 2, FLT CTL/SEC 2, FLT CTL/SEC 3 and FAC 2 pushbutton switches are pushed (on these pushbutton switches, the OFF and FAULT legends are off).
- Set the three OFF/NAV/ATT selector switches to NAV.
(6) On the center pedestal, on the ECAM control panel, push:
- the CLR key until all the warnings (if any) stop
- the F/CTL key (on the lower ECAM display unit, the F/CTL page comes into view).
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU:
(6) On the center pedestal, on the ECAM control panel, push:
Subtask 27-96-00-010-067-A (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU:
- Make sure that the FLT CTL/ELAC 1, FLT CTL/SEC 1 and FAC 1 pushbutton switches are pushed (on these pushbutton switches, the OFF and FAULT legends are off).
- Make sure that the FLT CTL/ELAC 2, FLT CTL/SEC 2, FLT CTL/SEC 3 and FAC 2 pushbutton switches are pushed (on these pushbutton switches, the OFF and FAULT legends are off).
- Set the three OFF/NAV/ATT selector switches to NAV.
(6) On the center pedestal, on the ECAM control panel, push:
- the CLR key until all the warnings (if any) stop
- the F/CTL key (on the lower ECAM display unit, the F/CTL page comes into view).
B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE > in position at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:
Subtask 27-96-00-865-089-A (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE > in position at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:
- loosen the two screws and remove the protective cover.
C. Make sure that this(these) circuit breaker(s) is(are) closed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| 49VU | FLIGHT CONTROLS/SEC1/NORM/SPLY | 21CE1 | B08 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| 49VU | FLIGHT CONTROLS/SEC1/NORM/SPLY | 21CE1 | B03 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 105VU | FLT CTL/SEC1/STBY SPLY | 22CE | B01 |
| 121VU | FLIGHT CONTROLS/SEC3/SPLY | 21CE3 | Q19 |
| 121VU | FLIGHT CONTROLS/SEC2/SPLY | 21CE2 | Q18 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |
Subtask 27-96-00-710-080-A ** ON A/C NOT FOR ALL
A. Integrity Test of the Flight Control System
During the test, ignore the MASTER CAUT light and the single chime.
Subtask 27-96-00-710-080-B ** ON A/C NOT FOR ALL During the test, ignore the MASTER CAUT light and the single chime.
| ACTION | RESULT |
|---|---|
1.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
2.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
3.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
4.On the F/O side:
| On the lower ECAM display unit:
|
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|
|
|
|
5.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
6.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
7.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
8.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
9.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
10.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
11.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
| On the lower ECAM display unit:
|
|
|
12.On the F/O side:
| On the lower ECAM display unit:
|
|
|
| On the lower ECAM display unit:
|
|
|
13.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
14.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
15.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
16.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
17.On the CAPT or F/O side:
| On the lower ECAM display unit
|
18.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
19.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
20.On the center pedestal:
| On the lower ECAM display unit:
|
|
|
21.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
22.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
23.On the center pedestal:
| |
24.On the overhead panel 23VU:
| The THS goes to the zero position. |
25.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
26.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
27.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
28.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
29.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
30.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
31.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
32.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
33.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
34.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
35.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
36.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
37.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
38.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
39.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
40.On the overhead panel 24VU:
| On the overhead panel 23VU:
|
41.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
42.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
43.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
44.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
45.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
46.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
47.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
48.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
49.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
50.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
51.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
52.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
53.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
54.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
55.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
56.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
57.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
58.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
59.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
60.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
61.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
62.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
63.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
64.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
65.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
66.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
67.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
68.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
69.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
70.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
71.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
72.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
73.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
74.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
75.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the PFD:
|
76.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
77.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
78.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the PFD:
|
79.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
80.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
81.On the CAPT side then on the F/O side:
| On the lower ECAM display unit:
|
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|
|
|
|
|
|
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|
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| 82.Do the BITE test of the EFCS1 or EFCS2 (Ref. AMM TASK 27-96-00-740-001) | On the MCDU, make sure that there is no maintenance message related to flight controls. |
83.Do these steps:
| On the lower ECAM display unit:
|
| 84.On the F/O side, push the take-over and priority pushbutton switch. | On the lower ECAM display unit:
|
| 85.On the F/O side, release the take-over and priority pushbutton switch. | On the lower ECAM display unit, all the surfaces move to the neutral position. |
| 86.On the CAPT side, push the take-over and priority pushbutton switch. | On the lower ECAM display unit, make sure that:
|
| 87.On the CAPT side, release the take-over and priority pushbutton switch. | On the lower ECAM display unit, all the surfaces move to the neutral position. |
| 88.Release the CAPT and F/O side sticks. | |
A. Integrity Test of the Flight Control System
During the test, ignore the MASTER CAUT light and the single chime.
5. Close-upDuring the test, ignore the MASTER CAUT light and the single chime.
| ACTION | RESULT |
|---|---|
1.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
2.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
3.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
4.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
5.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
6.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
7.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
8.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
9.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
10.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
11.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
| On the lower ECAM display unit:
|
|
|
12.On the F/O side:
| On the lower ECAM display unit:
|
|
|
| On the lower ECAM display unit:
|
|
|
13.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
14.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
15.On the overhead panel 20VU:
| On the overhead panel 20VU:
|
16.On the CAPT of F/O side:
| On the lower ECAM display unit:
|
17.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
18.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
19.On the overhead panel 20VU:
| On the overhead panel 20VU:
|
20.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
21.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
22.On the CAPT or F/O side:
| On the lower ECAM display unit:
|
23.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
24.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
25.On the center pedestal:
| On the lower ECAM display unit:
|
|
|
26.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
27.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
28.On the center pedestal:
| |
29.On the overhead panel 23VU:
| The THS goes to the zero position. |
30.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
31.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
32.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
33.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
34.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
35.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
36.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
37.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
38.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
39.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
40.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
41.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
42.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
43.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
44.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
45.On the overhead panel 24VU:
| On the overhead panel 23VU:
|
46.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
47.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
48.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
49.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
50.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
51.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
52.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
|
|
53.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
54.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
55.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
56.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
57.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
58.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
59.On the CAPT side:
| On the lower ECAM display unit:
|
|
|
60.On the maintenance panel 50VU:
| On the maintenance panel 50VU:
|
61.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
62.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
63.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
64.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
65.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
66.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
67.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
68.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
69.On the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
70.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
71.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
72.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
73.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
74.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
75.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
76.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
77.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
78.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
79.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
80.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the PFD:
|
81.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
82.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the CAPT or F/O PFD:
|
83.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
| | On the PFD:
|
84.On the overhead panel 23VU:
| On the overhead panel 23VU:
|
85.On the overhead panel 24VU:
| On the overhead panel 24VU:
|
86.On the CAPT side then on the F/O side:
| On the lower ECAM display unit:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 87.Do the BITE test of the EFCS1 or EFCS2 (Ref. AMM TASK 27-96-00-740-001) | On the MCDU, make sure that there is no maintenance message related to flight controls. |
88.Do these steps:
| On the lower ECAM display unit:
|
| 89.On the F/O side, push the take-over and priority pushbutton switch. | On the lower ECAM display unit:
|
| 90.On the F/O side, release the take-over and priority pushbutton switch. | On the lower ECAM display unit, all the surfaces move to the neutral position. |
| 91.On the CAPT side, push the take-over and priority pushbutton switch. | On the lower ECAM display unit, make sure that:
|
| 92.On the CAPT side, release the take-over and priority pushbutton switch. | On the lower ECAM display unit, all the surfaces move to the neutral position. |
| 93.Release the CAPT and F/O side sticks. | |
Subtask 27-96-00-860-091-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to the initial configuration
(1) On the center pedestal, put the slat and flap control lever in fully retracted position.
(2) Depressurize the aircraft hydraulic systems (Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-24-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
(3) On the overhead panel 20VU, on the ADIRS CDU:
(5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 27-96-00-860-091-B ** ON A/C NOT FOR ALL (1) On the center pedestal, put the slat and flap control lever in fully retracted position.
(2) Depressurize the aircraft hydraulic systems (Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-24-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
(3) On the overhead panel 20VU, on the ADIRS CDU:
- set the three OFF/NAV/ATT selector switches to OFF.
(5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
A. Put the aircraft back to the initial configuration
(1) On the center pedestal, put the slat and flap control lever in fully retracted position.
(2) Depressurize the aircraft hydraulic systems (Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-24-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
(3) On the overhead panel 41VU, on the ADIRS MSU:
(5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 27-96-00-410-067-A (1) On the center pedestal, put the slat and flap control lever in fully retracted position.
(2) Depressurize the aircraft hydraulic systems (Ref. AMM TASK 29-23-00-864-001) (Ref. AMM TASK 29-24-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
(3) On the overhead panel 41VU, on the ADIRS MSU:
- set the three OFF/NAV/ATT selector switches to OFF.
(5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
B. Close Access
(1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).
(1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).