DOC AIRBUS | AMM A320FBITE Test of the EFCS (Ground Scanning)
TASK 27-96-00-740-001-A
BITE Test of the EFCS (Ground Scanning)
Refer to the MPD TASK: 279000-07
OPERATIONAL CHECK OF EFCS BY BITE (GROUND SCANNING)
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 27-96-00-860-087-A
Subtask 27-96-00-410-051-A
[Rev.10 from 2021]
2026.04.01 00:00:05 UTC
BITE Test of the EFCS (Ground Scanning)
ZONE: 210
1. Reason for the JobRefer to the MPD TASK: 279000-07
OPERATIONAL CHECK OF EFCS BY BITE (GROUND SCANNING)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | 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 31-32-00-860-006-A | Procedure to Get Access to the SYSTEM REPORT/TEST F/CTL Page |
| TASK 34-10-00-860-004-A | Inertial Reference (IR) Alignment-Procedure |
| TASK 34-10-00-860-004-A-01 | Automatic Inertial Reference (IR) Alignment-Procedure |
| TASK 34-10-00-860-004-A-02 | Inertial Reference (IR) Alignment-Procedure to do a Check of the Links between each Flight Management and Guidance Computer (FMGC) and the three Air Data/Inertial Reference Units (ADIRUs) |
| TASK 34-10-00-860-005-A | ADIRS Stop Procedure |
Subtask 27-96-00-860-087-A
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Do the IR Alignment Procedure (Ref. AMM TASK 34-10-00-860-004).
(3) On the overhead panel 23VU, make sure that:
Subtask 27-96-00-010-052-A (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Do the IR Alignment Procedure (Ref. AMM TASK 34-10-00-860-004).
(3) On the overhead panel 23VU, make sure that:
- the FLT CTL/ELAC 1 and FLT CTL/SEC 1 pushbutton switches are pushed (the FAULT and OFF legends of these pushbutton switches are off).
- the FLT CTL/ELAC 2, FLT CTL/SEC 2 and FLT CTL/SEC 3 pushbutton switches are pushed (the FAULT and OFF legends of these pushbutton switches are off).
- Get access to the SYSTEM REPORT/TEST F/CTL page (Ref. AMM TASK 31-32-00-860-006).
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 27-96-00-865-065-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/FCDC1/SPLY | 20CE1 | B10 |
| 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/FCDC1/SPLY | 20CE1 | B05 |
| 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 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | CFDS/CFDIU/SPLY | 2TW | J18 |
| 121VU | CFDS/CFDIU/BACK/UP | 8TW | J17 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/FCDC2/SPLY | 20CE2 | Q20 |
| 121VU | FLIGHT CONTROLS/SEC3/SPLY | 21CE3 | Q19 |
| 121VU | FLIGHT CONTROLS/SEC2/SPLY | 21CE2 | Q18 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | CFDS/CFDIU/SPLY | 2TW | J41 |
| 121VU | CFDS/CFDIU/BACK/UP | 8TW | J40 |
NOTE: During the test, the ECAM display unit shows the FAULT of the FCDC 1 or the FCDC2. Ignore this indication.
Subtask 27-96-00-740-050-C A. Do this test:
5. Close-up| ACTION | RESULT |
|---|---|
| 1.Push the line key adjacent to the EFCS 1(2). | The EFCS1(2) page comes into view. |
| 2.Push the line key adjacent to the GROUND SCAN indication. | The EFCS1(2)/GROUND SCAN page comes into view. |
| 3.Push the line key adjacent to the START GROUND SCAN indication. | |
| 4.After two minutes, push the line key adjacent to the GROUND SCAN STOP indication. | |
| 5.Push the line key adjacent to the GROUND REPORT indication. | NO FAULTS RECORDED comes into view. |
| 6.On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view. | The MCDU shows the CFDS menu page. |
Subtask 27-96-00-410-051-A
A. 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).
Subtask 27-96-00-860-088-A ** ON A/C NOT FOR ALL (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).
B. Put the aircraft back to its initial configuration.
(1) On the overhead panel 20VU, on the ADIRS CDU.
Subtask 27-96-00-860-088-B ** ON A/C NOT FOR ALL (1) On the overhead panel 20VU, on the ADIRS CDU.
- Set the 3 OFF/NAV/ATT selector switches to OFF (Ref. AMM TASK 34-10-00-860-005).
B. Put the aircraft back to its initial configuration.
(1) On the overhead panel 41VU, on the ADIRS MSU:
(1) On the overhead panel 41VU, on the ADIRS MSU:
- Set the 3 OFF/NAV/ATT selector switches to OFF (Ref. AMM TASK 34-10-00-860-005).