W DOC AIRBUS | AMM A320F

Test of the Monitoring of the ADR/AOA 26VAC Power Supply


TASK 34-11-00-710-001-A
Test of the Monitoring of the ADR/AOA 26VAC Power Supply


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
AR
ACCESS PLATFORM 1M(3 FT)
 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 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
3. Job Set-up
Subtask 34-11-00-010-051-A
A. Get Access
   (1) Put the ACCESS PLATFORM 1M(3 FT) in position in zone 126 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.
Subtask 34-11-00-860-052-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 (Ref. AMM TASK 31-60-00-860-001).
   (3) On the overhead panel:
  • on the FLT CTL panels 23VU and 24VU, make sure that the FAC, ELAC and SEC pushbutton switches are not pushed (in). The OFF legends are on.
  • on the ELEC panel 35VU, make sure that the battery voltage is correct, between 26VDC and 30VDC.
  • on the ADIRS CDU, make sure that the 3 OFF/NAV/ATT selector switches are at OFF.
NOTE: This test is for the system 1. For the systems 2 and 3, use the indications between the parentheses.
Subtask 34-11-00-860-052-B ** 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 (Ref. AMM TASK 31-60-00-860-001).
   (3) On the overhead panel:
  • On FLT CTL 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.
  • On ELEC panel 35VU, make sure that the battery voltage is correct, between 26VDC and 30VDC.
NOTE: This test is for the system 1. For the systems 2 and 3, use the indications between the parentheses.
Subtask 34-11-00-865-053-A
C. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
49VUNAV PROBES/ADIRU 1/AND AOA 1/26VAC5FP1F07
49VUNAV PROBES/ADIRU1/115VAC4FP1F06
105VUADIRS/ADIRU1/28VDC6FP1C02
** ON A/C NOT FOR ALL
121VUADIRS/ADIRU/2PWR/SHED10FPN10
** ON A/C ALL
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
121VUEIS/HORN/SPLY2WCP09
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VUADIRS/2PWR/SHED &/AOA2 MON10FPN10
4. Procedure
Subtask 34-11-00-710-050-A ** ON A/C NOT FOR ALL
A. Test of the Monitoring of the ADR/AOA 26VAC Power Supply
ACTION
RESULT
1.On the ADIRS CDU:

  • set the OFF/NAV/ATT selector switch related to the IR1, IR2 and IR3 to NAV.
  • the CAPT and F/O PFDs show the speed and altitude indications.
2.On the panel 49VU (121VU):

  • open the circuit breaker 5FP1 (5FP2).
  • on the ADIRS CDU, the FAULT legend of the ADR1 (ADR2) pushbutton switch comes on.
  • on the CAPT (F/O) PFD, the SPD and ALT warning flags come into view.
  • on the lower ECAM DU, on the status page, in the INOP SYST section, the ADR1 (ADR2) indication comes into view.
3.On the panel 8VU:

  • set the AIR DATA selector switch to CAPT/3 (F/O/3).
  • on the CAPT (F/O) PFD, the speed and altitude indications come into view.
4.On the panel 121VU:

  • open the circuit breaker 5FP3.
  • on the CAPT (F/O) PFD, the SPD and ALT warning flags come into view.
  • on the lower ECAM display unit, in the INOP SYST section, the ADR 1 + 3 (ADR 2 + 3) indication comes into view.
  • on the ADIRS CDU, the FAULT legend of the ADR3 pushbutton switch comes on.
5.On the panel 49VU (121VU):

  • close the circuit breaker 5FP1 (5FP2).
  • on the lower ECAM display unit, in the INOP SYST section, the ADR3 indication comes into view.
  • on the ADIRS CDU, the FAULT legend of the ADR1 (ADR2) pushbutton switch goes off.
6.On the panel 8VU:

  • set the AIR DATA selector switch to NORM.
  • on the CAPT (F/O) PFD, the speed and altitude indications come into view.
7.On the panel 121VU:

  • close the circuit breaker 5FP3.
  • on the lower ECAM display unit, in the INOP SYST section, the ADR3 indication goes out of view.
  • on the ADIRS CDU, the FAULT legend of the ADR3 pushbutton switch goes off.
8.Refer to the indications in the parentheses specified in the para. 1 to 5 and do the ADR2 test.
You must get the same results on the F/O side.
Subtask 34-11-00-710-050-B ** ON A/C NOT FOR ALL
A. Test of the Monitoring of the ADR/AOA 26VAC Power Supply
ACTION
RESULT
1.On ADIRS MSU panel 41VU:

  • Set the OFF/NAV/ATT selector switch related to IR1, IR2 and IR3 to NAV.
  • The CAPT and F/O PFDs show the speed and altitude indications.
2.On overhead C/B panel 49VU (121VU):

  • Open circuit breaker 5FP1 (5FP2).
  • On ADIRS MSU panel 41VU, the FAULT legend of ADR1 (ADR2) pushbutton switch comes on.
  • On the CAPT (F/O) PFD, the SPD and ALT warning flags come into view.
  • On the lower ECAM DU, on the status page, in the INOP SYST section, ADR1 (ADR2) indication comes into view.
3.On SWITCHING panel 8VU:

  • Set the AIR DATA selector switch to CAPT/3 (F/O/3).
  • On the CAPT (F/O) PFD, the speed and altitude indications come into view.
4.On rear C/B panel 121VU:

  • Open circuit breaker 5FP3.
  • On the CAPT (F/O) PFD, the SPD and ALT warning flags come into view.
  • On the lower ECAM display unit, in the INOP SYST section, ADR 1 + 3 (ADR 2 + 3) indication comes into view.
  • On ADIRS MSU panel 41VU, the FAULT legend of ADR3 pushbutton switch comes on.
5.On overhead C/B panel 49VU (121VU):

  • Close circuit breaker 5FP1 (5FP2).
  • On the lower ECAM display unit, in the INOP SYST section, the ADR3 indication comes into view.
  • On ADIRS MSU panel 41VU, the FAULT legend of the ADR1 (ADR2) pushbutton switch goes off.
6.On SWITCHING panel 8VU:

  • Set the AIR DATA selector switch to NORM.
  • On the CAPT (F/O) PFD, the speed and altitude indications come into view.
7.On rear C/B panel 121VU:

  • Close circuit breaker 5FP3.
  • On the lower ECAM display unit, in the INOP SYST section, ADR3 indication goes out of view.
  • On ADIRS MSU panel 41VU, the FAULT legend of ADR3 pushbutton switch goes off.
8.Refer to the indications in the parentheses specified in the para. 1 to 5 and do ADR2 test.
You must get the same results on the F/O side.
5. Close-up
Subtask 34-11-00-860-053-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
   (2) On the ADIRS CDU, set the 3 OFF/NAV/ATT selector switches to OFF.
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Subtask 34-11-00-860-053-B ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
   (2) On ADIRS MSU panel 41VU, set the three OFF/NAV/ATT selector switches to OFF.
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Subtask 34-11-00-410-051-A
B. Close Access
   (1) Install the protective cover of the 105VU with two bolts.
   (2) Close the access door 822.
   (3) Remove the access platform(s).
[Rev.10 from 2021] 2026.04.01 00:58:16 UTC