W DOC AIRBUS | AMM A320F

Test of the Pitot Probe without the CFDS


TASK 34-11-15-710-001-A
Test of the Pitot Probe without the CFDS


WARNING: DO NOT TOUCH THE PROBES IMMEDIATELY AFTER THE TEST. THEY ARE HOT AND CAN BURN YOU.
CAUTION: REMOVE THE PROTECTIVE COVERS FROM THE PROBES BEFORE YOU DO THE TEST.
CAUTION: DO NOT CONTINUE THE TEST FOR MORE THAN ONE MINUTE TO PREVENT DAMAGE TO THE PROBES.
ZONE: 210
FIN: 9DA1
FIN: 9DA2
FIN: 9DA3
1. Reason for the Job
Do this test after the removal/installation of the Pitot Probe (9DA1,9DA2,9DA3) when the CFDS is unserviceable.
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 B. 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 34-10-00-860-002-A
ADIRS Start Procedure
TASK 34-10-00-860-005-A
ADIRS Stop Procedure
3. Job Set-up
Subtask 34-11-15-860-051-A
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure ECAM only (Ref. AMM TASK 31-60-00-860-001).
   (3) Do the ADIRS start procedure for the related system:
For 9DA1
ADIRU1
For 9DA2
ADIRU2
For 9DA3
ADIRU3
(Ref. AMM TASK 34-10-00-860-002).
Subtask 34-11-15-865-056-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
FOR FIN: 9DA1 (PROBEPITOT, 1)
49VUANTI ICE/PROBES/PITOT/13DA1D02
FOR FIN: 9DA2 (PROBEPITOT, 2)
122VUANTI ICE/PROBES/2/PITOT3DA2Y14
FOR FIN: 9DA3 (PROBEPITOT, 3)
122VUANTI ICE/PROBES/3/PITOT3DA3Z16
4. Procedure
Subtask 34-11-15-710-051-A
A. Heating Test
ACTION
RESULT
1.On the overhead panel on the PROBE/WINDOW HEAT section of the panel 25VU:

  • push the AUTO pushbutton switch
the ON legend comes on.
2.On the circuit breaker panel :

  • on the panel 49VU, open the circuit breaker 3DA1
  • on the panels 131VU and 132VU, the MASTER CAUT lights come on
  • you can hear the single chime
  • on the upper ECAM display unit the ANTI ICE CAPT PITOT indication comes into view.
  • or on the panel 122VU, open the circuit breaker 3DA2
  • on the panels 131VU and 132VU, the MASTER CAUT lights come on
  • you can hear the single chime
  • on the upper ECAM display unit the ANTI ICE F/O PITOT indication comes into view.
  • or on the panel 122VU, open the circuit breaker 3DA3.
  • on the panels 131VU and 132VU, the MASTER CAUT lights come on
  • you can hear the single chime
  • on the upper ECAM display unit the ANTI ICE STBY PITOT indication comes into view.
3.Close the circuit breaker(s) that you opened before.
  • on the panels 131VU and 132VU, the MASTER CAUT lights go off.
  • on the upper ECAM display unit, the indication given above goes out of view.
  • on the upper ECAM display unit, the MEMO page comes into view.
4.On the overhead panel, on the PROBE/WINDOW HEAT section of the panel 25VU:

  • release the AUTO pushbutton switch
The ON legend goes off.
5. Close-up
Subtask 34-11-15-860-052-A
A. Put the aircraft back to its initial configuration.
   (1) On the center pedestal, on the ECAM control panel, set the UPPER DISPLAY and LOWER DISPLAY potentiometers to OFF.
   (2) Do the ADIRS Stop Procedure (Ref. AMM TASK 34-10-00-860-005).
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 00:58:21 UTC