W DOC AIRBUS | AMM A320F

Interface Test of the IR


TASK 34-14-00-740-001-A
Interface Test of the IR


ZONE: 210
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 1M(3 FT)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
822
 C. Referenced Information
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 31-32-00-860-010-A
Procedure to Get Access to the SYSTEM REPORT/TEST NAV Page
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
3. Job Set-up
Subtask 34-14-00-010-052-A
A. Get Access
   (1) Put the ACCESS PLATFORM 1M(3 FT) in position at access door 822.
   (2) Open access door 822.
   (3) On battery power center 105VU:
  • Loosen the two screws and remove the protective cover.
Subtask 34-14-00-860-050-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure (PFD and ND only) (Ref. AMM TASK 31-60-00-860-001).
   (3) On the overhead panel :
  • on the FLT CTL panels 23VU and 24VU, release the FAC, ELAC and SEC pushbutton switches. The OFF legends are on.
  • on the panel 20VU, on the ADIRS CDU, make sure that the three OFF/NAV/ATT selector switches are at OFF.
   (4) On the panel 13VU, on the CAPT and F/O EFIS control sections of the FCU, set the mode selector switch to ROSE-NAV .
   (5) On the MCDU, get the SYSTEM REPORT/TEST/NAV page
(Ref. AMM TASK 31-32-00-860-010).
NOTE: This test is for the system 1. For the systems 2 and 3, use the indications between the parentheses.
Subtask 34-14-00-860-050-C ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure (PFD and ND only) (Ref. AMM TASK 31-60-00-860-001).
   (3) On the overhead panel:
  • On flight control panels 23VU and 24VU, make sure that the FAC, ELAC and SEC pushbutton switches are released (the OFF legends are on).
  • On ADIRS MSU panel 41VU, make sure that the three OFF/NAV/ATT selector switches are set to OFF.
   (4) On glareshield panel 13VU, on the CAPT and F/O EFIS control sections of the FCU, set the mode selector switch to ROSE-NAV.
   (5) On the MCDU, get the SYSTEM REPORT/TEST/NAV page
(Ref. AMM TASK 31-32-00-860-010).
NOTE: This test is for system 1. For systems 2 and 3, use the indications between the parentheses.
Subtask 34-14-00-865-058-A
C. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUNAV PROBES/ADIRU3/PWR/SWTG8FPF09
** ON A/C NOT FOR ALL
49VUAUTO FLT/FCU/19CA1B05
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
49VUNAV PROBES/ADIRU 1/AND AOA 1/26VAC5FP1F07
49VUNAV PROBES/ADIRU1/115VAC4FP1F06
** ON A/C NOT FOR ALL
49VUNAV PROBES/ADIRU3/PWR/SWTG8FPF08
** ON A/C NOT FOR ALL
49VUAUTO FLT/FCU/19CA1H11
** ON A/C ALL
105VUADIRS/ADIRU1/28VDC6FP1C02
** ON A/C NOT FOR ALL
121VUADIRS/ADIRU/2PWR/SHED10FPN10
** ON A/C ALL
121VUAUTO FLT/FCU/29CA2M21
121VUADIRS/ADIRU/3PWR/SWTG9FPN09
121VUADIRS/ADIRU/2/26VAC AND AOA5FP2N08
121VUADIRS/ADIRU/3/26VAC AND AOA5FP3N07
121VUADIRS/ADIRU/2/115VAC4FP2N06
121VUADIRS/ADIRU/3/115VAC4FP3N05
121VUADIRS/ADIRU/2/28VDC6FP2N04
121VUADIRS/ADIRU/3/28VDC6FP3N03
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VUADIRS/2PWR/SHED &/AOA2 MON10FPN10
Subtask 34-14-00-865-059-A
D. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1B04
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1H10
** ON A/C ALL
121VUAUTO FLT/FAC2/28VDC5CC2M19
4. Procedure
Subtask 34-14-00-869-072-A ** ON A/C NOT FOR ALL
A. General
NOTE: In the test that follows, we use the name DDRMI for the VOR/DME RMI and the VOR/ADF/DME RMI (refer to the equipment on your aircraft).
Subtask 34-14-00-740-068-D ** ON A/C NOT FOR ALL
B. BITE Test of the IR System
ACTION
RESULT
1.On the ADIRS CDU:
On the ADIRS CDU:
  • set the OFF/NAV/ATT selector switch related to the IR1 (IR2) (IR3) to NAV.
  • the ON BAT light comes on for 5 seconds,
  • the ALIGN legend of the IR1 (IR2) (IR3) annunciator comes on.
  • set the DATA DISPLAY selector switch to TK/GS,
  • set the SYS DISPLAY selector switch to 1 (2) (3).

2.On one MCDU, on the NAV page:
On the MCDU:
  • push the line key adjacent to the IR1 (IR2) (IR3) indication.
The IR1 (IR2) (IR3) page comes into view.
  • push the line key adjacent to the INTERFACE TEST indication.
The IR1 (IR2) (IR3) INTERFACE TEST 1/2 page comes into view.
  • on the keyboard, push the next page key.
The IR1 (IR2) (IR3) INTERFACE TEST 2/2 page comes into view.
  • push the line key adjacent to the START TEST indication.
  • from 0 to 2 seconds:
    * on the ADIRS CDU, the ON BAT light, the ALIGN (if the IRs are aligned) and FAULT legends and the ENT and CLR keys come on then go off,
  • from 2 seconds and more:
    * on the CAPT (F/O) PFD, the HDG warning flag is no more shown and these values come into view:
    ROLL 45 deg. Right
    PITCH 5 deg. Up.
    SLIP Left
    IVS -600 ft/mn.
    * on the CAPT (F/O) ND, the HDG warning flag is no more shown,
    * on the DDRMI, the HDG warning flag is no more shown (no indication on the DDRMI for IR2 test),
    * the CAPT (F/O) ND shows these values:
    G/S 200 Kts
    WIND 030/100
    HDG 15 deg.
    * the DDRMI shows this value:
    HDG 15 deg. (no indication on the DDRMI for IR2 test)
    * on the ADIRS CDU, the left part of the display window shows this track angle true value:
    00.0
    The right part of the display window shows this ground speed value:
    0200
3.On the ADIRS CDU, set the DATA DISPLAY selector switch to HDG.
On the ADIRS CDU, the left part of the display window shows this true HDG value:
010.0
4.On the MCDU, push the line key adjacent to the RETURN indication.
The test procedure stops.
5.On the ADIRS CDU:
On the ADIRS CDU:
  • set the OFF/NAV/ATT selector switch related to the IR1 (IR2) (IR3) to OFF,

  • set the OFF/NAV/ATT selector switch related to the IR2 to NAV.
  • the ON BAT light comes on for 5 seconds,
  • the related ALIGN legend comes on.
6.Do the IR2 test as written in para. 2.
You must get the same results only on the F/O PFD and ND and on the ADIRS CDU (no indication on the DDRMI).
7.On the ADIRS CDU:
On the ADIRS CDU:
  • set the OFF/NAV/ATT selector switch related to the IR2 to OFF,

  • set the OFF/NAV/ATT selector switch related to the IR3 to NAV.
  • the ON BAT light comes on for 5 seconds,
  • the related ALIGN legend comes on.
8.On the center pedestal, on the SWITCHING panel 8VU, set the ATT/HDG selector switch to CAPT/3.

9.Do the IR3 test as written in para. 2.
You must get the same results as for the IR1 on the CAPT PFD and ND, the ADIRS CDU and the DDRMI.
10.On the ADIRS CDU, set the OFF/NAV/ATT selector switch related to the IR3 to OFF.

Subtask 34-14-00-740-068-F ** ON A/C NOT FOR ALL
B. BITE Test of the IR System
ACTION
RESULT
1.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to NAV.
  • The ON BAT light comes on for 5 seconds.
  • The FAULT legend of IR1 (IR2) (IR3) pushbutton switch is off.
  • Push IR1 (IR2) (IR3) pushbutton switch.
  • The OFF legend of IR1 (IR2) (IR3) pushbutton switch comes on.
  • Push IR1 (IR2) (IR3) pushbutton switch again.

2.On one MCDU, on the NAV page:
On the MCDU:
  • Push the line key adjacent to IR1 (IR2) (IR3) indication.
IR1 (IR2) (IR3) page comes into view.
  • Push the line key adjacent to the INTERFACE TEST indication.
IR1 (IR2) (IR3) INTERFACE TEST 1/2 page comes into view.
  • On the keyboard, push the next page key.
IR1 (IR2) (IR3) INTERFACE TEST 2/2 page comes into view.
  • Push the line key adjacent to the START TEST indication.
  • After 0 to 2 seconds:
    * On the ADIRS MSU panel 41VU, the ON BAT light and FAULT legends come on then go off.
  • After 2 seconds and more:
    * On the CAPT (F/O) PFD, the HDG warning flag is no more shown and these values come into view:
    ROLL 45 deg. Right
    PITCH 5 deg. Up.
    SLIP Left
    IVS -600 ft/mn.
    * On the CAPT (F/O) ND, the HDG warning flag is no more shown.
    * On the DDRMI, the HDG warning flag is no more shown (no indication on the DDRMI for IR2 test),
    * The CAPT (F/O) ND shows these values:
    G/S 200 Kts
    WIND 030/100
    HDG 15 deg.
    * the DDRMI shows this value:
    HDG 15 deg. (no indication on the DDRMI for IR2 test)
3.On the MCDU, push the line key adjacent to the RETURN indication.
The test procedure stops.
4.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR2 to NAV.
  • The ON BAT light comes on for 5 seconds.
5.Do IR2 test as written in para. 2.
You must get the same results only on the F/O PFD and ND and on ADIRS MSU panel 41VU (no indication on the DDRMI).
6.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR2 to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR3 to NAV.
  • The ON BAT light comes on for 5 seconds.
7.On the center pedestal, on SWITCHING panel 8VU, set the ATT/HDG selector switch to CAPT/3.

8.Do IR3 test as written in para. 2.
You must get the same results as for IR1 on the CAPT PFD and ND, on ADIRS MSU panel 41VU and the DDRMI.
9.On ADIRS MSU panel 41VU, set the OFF/NAV/ATT selector switch related to the IR3 to OFF.

Subtask 34-14-00-740-068-H ** ON A/C NOT FOR ALL
B. BITE Test of the IR System
ACTION
RESULT
1.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to NAV.
  • The ON BAT light comes on during 5 seconds.
  • The FAULT legend of IR1 (IR2) (IR3) pushbutton switch is off.
  • Push IR1 (IR2) (IR3) pushbutton switch.
  • The OFF legend of IR1 (IR2) (IR3) pushbutton switch comes on.
  • Push IR1 (IR2) (IR3) pushbutton switch again.

2.On one MCDU, on the NAV page:
On the MCDU:
  • Push the line key adjacent to IR1 (IR2) (IR3) indication.
IR1 (IR2) (IR3) page comes into view.
  • Push the line key adjacent to the INTERFACE TEST indication.
IR1 (IR2) (IR3) INTERFACE TEST 1/2 page comes into view.
  • On the keyboard, push the next page key.
IR1 (IR2) (IR3) INTERFACE TEST 2/2 page comes into view.
  • Push the line key adjacent to the START TEST indication.
  • After 0 to 2 seconds:
    * On the ADIRS MSU panel 41VU, the ON BAT light and FAULT legends come on then go off.
  • After 2 seconds:
    * On the CAPT (F/O) PFD, the HDG warning flag is no more shown and the values that follow come into view:
    ROLL 45 deg. Right
    PITCH 5 deg. Up.
    SLIP Left
    IVS -600 ft/mn.
    * On the CAPT (F/O) ND, the HDG warning flag is no more shown.
    * The CAPT (F/O) ND shows the values that follow:
    G/S 200 Kts
    WIND 030/100
    HDG 15 deg.
3.On the MCDU, push the line key adjacent to the RETURN indication.
The test procedure stops.
4.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR2 to NAV.
  • The ON BAT light comes on during 5 seconds.
5.Do IR2 test given in Para. 2.
You must get the same results only on the F/O PFD and ND, and on ADIRS MSU panel 41VU.
6.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR2 to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR3 to NAV.
  • The ON BAT light comes on during 5 seconds.
7.On the center pedestal, on SWITCHING panel 8VU, set the ATT/HDG selector switch to CAPT/3.

8.Do IR3 test given in Para. 2.
You must get the same results as for IR1 on the CAPT PFD and ND, and on ADIRS MSU panel 41VU.
9.On ADIRS MSU panel 41VU, set the OFF/NAV/ATT selector switch related to IR3 to OFF.

Subtask 34-14-00-740-068-K ** ON A/C NOT FOR ALL
B. BITE Test of the IR System
ACTION
RESULT
1.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to NAV.
  • The ON BAT light comes on for 5 seconds.
  • The FAULT legend of IR1 (IR2) (IR3) pushbutton switch is off.
  • Push IR1 (IR2) (IR3) pushbutton switch.
  • The OFF legend of IR1 (IR2) (IR3) pushbutton switch comes on.
  • Push IR1 (IR2) (IR3) pushbutton switch again.

2.On one MCDU, on the NAV page:
On the MCDU:
  • Push the line key adjacent to IR1 (IR2) (IR3) indication.
IR1 (IR2) (IR3) page comes into view.
  • Push the line key adjacent to the INTERFACE TEST indication.
IR1 (IR2) (IR3) INTERFACE TEST 1/2 page comes into view.
  • On the keyboard, push the next page key.
IR1 (IR2) (IR3) INTERFACE TEST 2/2 page comes into view.
  • Push the line key adjacent to the START TEST indication.
  • After 0 to 2 seconds:
    * On the ADIRS MSU panel 41VU, the ON BAT light and FAULT legends come on then go off.
  • After 2 seconds and more:
    * On the CAPT (F/O) PFD, the HDG warning flag is no more shown and these values come into view:
    ROLL 45 deg. Right
    PITCH 5 deg. Up.
    SLIP Left
    IVS -600 ft/mn.
    * On the CAPT (F/O) ND, the HDG warning flag is no more shown.
    * On the DDRMI, the HDG warning flag is no more shown (no indication on the DDRMI for IR2 test).
    * The CAPT (F/O) ND shows these values:
    G/S 200 Kts
    WIND 030/100
    HDG 15 deg.
    * The DDRMI shows this value:
    HDG 15 deg. (no indication on the DDRMI for IR2 test)
3.On the MCDU, push the line key adjacent to the RETURN indication.
The test procedure stops.
4.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR2 to NAV.
  • The ON BAT light comes on for 5 seconds.
5.Do IR2 test as written in para. 2.
You must get the same results only on the F/O PFD and ND and on ADIRS MSU panel 41VU (no indication on the DDRMI).
6.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • set the OFF/NAV/ATT selector switch related to IR2 to OFF.

  • set the OFF/NAV/ATT selector switch related to IR3 to NAV.
  • The ON BAT light comes on for 5 seconds.
7.On the center pedestal, on SWITCHING panel 8VU, set the ATT/HDG selector switch to CAPT/3.

8.Do IR3 test as written in para. 2.
You must get the same results as for IR1 on the CAPT PFD and ND, on ADIRS MSU panel 41VU and the DDRMI.
9.On ADIRS MSU panel 41VU, set the OFF/NAV/ATT selector switch related to the IR3 to OFF.

Subtask 34-14-00-740-068-O ** ON A/C NOT FOR ALL
B. BITE Test of the IR System
ACTION
RESULT
1.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to NAV.
  • The ON BAT light comes on for 5 seconds.
  • The FAULT legend of IR1 (IR2) (IR3) pushbutton switch is off.
  • Push IR1 (IR2) (IR3) pushbutton switch.
  • The OFF legend of IR1 (IR2) (IR3) pushbutton switch comes on.
  • Push IR1 (IR2) (IR3) pushbutton switch again.

2.On one MCDU, on the NAV page:
On the MCDU:
  • Push the line key adjacent to IR1 (IR2) (IR3) indication.
IR1 (IR2) (IR3) page comes into view.
  • Push the line key adjacent to the INTERFACE TEST indication.
IR1 (IR2) (IR3) INTERFACE TEST 1/2 page comes into view.
  • On the keyboard, push the next page key.
IR1 (IR2) (IR3) INTERFACE TEST 2/2 page comes into view.
  • Push the line key adjacent to the START TEST indication.
  • After 0 to 2 seconds:
    * On the ADIRS MSU panel 41VU, the ON BAT light and FAULT legends come on then go off.
  • After 2 seconds and for around 20 seconds:
    * On the CAPT (F/O) PFD, the HDG warning flag is no more shown and these values that follow come into view:
    ROLL 45 deg. Right
    PITCH 5 deg. Up.
    SLIP Left
    IVS -600 ft/mn.
    * On the CAPT (F/O) ND, the HDG warning flag is no more shown.
    * The CAPT (F/O) ND shows these values:
    G/S 200 Kts
    WIND 030/100
    HDG 15 deg.
NOTE: If all cheks have not been performed when the interface test automatically exits, then IR interface test again as described in (2) and resume the procedure where it was stopped.
3.On the MCDU, push the line key adjacent to the RETURN indication or wait until the test automatically exits.
The test procedure stops.
4.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR1 (IR2) (IR3) to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR2 to NAV.
  • The ON BAT light comes on for 5 seconds.
5.Do IR2 test as written in para. 2.
You must get the same results only on the F/O PFD and ND and on ADIRS MSU panel 41VU.
6.On ADIRS MSU panel 41VU:
On ADIRS MSU panel 41VU:
  • Set the OFF/NAV/ATT selector switch related to IR2 to OFF.

  • Set the OFF/NAV/ATT selector switch related to IR3 to NAV.
  • The ON BAT light comes on for 5 seconds.
7.On the center pedestal, on SWITCHING panel 8VU, set the ATT/HDG selector switch to CAPT/3.

8.Do IR3 test as written in para. 2.
You must get the same results as for IR1 on the CAPT PFD and ND, on ADIRS MSU panel 41VU.
9.On ADIRS MSU panel 41VU, set the OFF/NAV/ATT selector switch related to IR3 to OFF.

5. Close-up
Subtask 34-14-00-860-051-A
A. Put the aircraft back to its initial configuration.
   (1) On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.
   (2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002)
   (3) On the FLT CTL panels 23VU and 24VU, push the FAC, ELAC and SEC pushbutton switches. The related OFF legend goes off.
   (4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Subtask 34-14-00-865-060-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1B04
** ON A/C NOT FOR ALL
49VUAUTO FLT/FAC1/28VDC5CC1H10
** ON A/C ALL
121VUAUTO FLT/FAC2/28VDC5CC2M19
Subtask 34-14-00-410-052-A
C. Close Access
   (1) Install the protective cover on battery power center 105VU.
   (2) Tighten the two screws.
   (3) Close access door 822.
   (4) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.01 04:13:28 UTC