R NAV HDG DISCREPANCY
 -HDG.............X CHECK

 -ATT HDG SWTG....AS RQRD NAV ATT DISCREPANCY
 -ATT.............X CHECK

 -ATT HDG SWTG....AS RQRD On the panels 130VU and 131VU, the MASTER CAUT lights come on You can hear the single chime.
 NOTE : If the aircraft heading is equal to 15 degrees, plus or minus 5
____ degrees, the CHECK HDG and HDG DISCREPANCY indications do not come
 into view.
 -push the line key adjacent to the RETURN indication.
4.
 On the ADIRS CDU, set the OFF/NAV/ATT selector switches related to the IR1 and IR2 to OFF.

 5.
 Close-up

________
 Subtask 34-14-00-860-058
The test stops.
The indications above go out of view.
 The attitude and heading indications
 come into view.

 A. Put the aircraft back to its initial configuration.
 (1)
 On the MCDU, push the MCDU MENU mode key.

 (2)
 Do the EIS stop procedure (Ref. TASK 31-60-00-860-002) potentiometers to OFF.

 (3)
 De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 1EFF : ALL 1 34-14-00Page 510 1 1 Aug 01/04 1 1 1CES 1

 (4) Make sure that the work area is clean and clear of tool(s) and other items.
 (5) Put the aircraft back to the serviceable condition. R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 34-14-00-865-057
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 7XE, 5CC1, 5CC2
 **ON A/C ALL
 Subtask 34-14-00-410-051
 C. 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.

 1EFF : ALL 1 34-14-00Page 511 1 1 Aug 01/05 1 1 1CES 1

 TASK 34-14-00-740-001 Interface Test of the IR
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 1.6 m (5 ft. 3 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 31-32-00-860-010 Procedure to Get Access to the SYSTEM REPORT/TEST NAV
 Page 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure
 3. Job Set-up
__________ Subtask 34-14-00-010-052
 A. Get Access
 (1)
 Put the access platform 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.
 1EFF : ALL 1 34-14-00Page 512 1 1 Nov 01/00R 1 1 1CES 1

 Subtask 34-14-00-860-050
 B. Aircraft Maintenance Configuration
 (1)
 Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).

 (2)
 Do the EIS start procedure (PFD and ND only) (Ref. 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 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. 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 34-14-00-865-058
 C. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FCU/1 9CA1 B05 49VU L/G/LGCIU/SYS1/NORM 1GA C09 49VU NAV PROBES/ADIRU3/PWR/SWTG 8FP F09 49VU NAV PROBES/ADIRU 1/AND AOA 1/26VAC 5FP1 F07 49VU NAV PROBES/ADIRU1/115VAC 4FP1 F06
　
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