RA Maintenance Test Procedure - Access to Sub-menus 2/6 Figure 013
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RA Maintenance Test Procedure - Access to Sub-menus 3/6
Figure 014
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_________________________________
TASK 34-42-00-740-002
BITE Test of the Radio Altimeter
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
1. Reason for the Job__________________ Self Explanatory
2. Job Set-up Information______________________
A. 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 34-10-00-860-002 ADIRS Start Procedure 34-10-00-860-005 ADIRS Stop Procedure
3. Job Set-up
__________ Subtask 34-42-00-860-054
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (PFDs only) (Ref. TASK 31-60-00-860-001).
(3)
Do the ADIRS Start Procedure (Ref. TASK 34-10-00-860-002).
(4)
On the center pedestral, on one MCDU, get the SYSTEM REPORT/TEST/NAV page (Ref. TASK 31-32-00-860-010).
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B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU COM NAV/RAD ALTM/2 1SA2 K12 121VU COM NAV/RAD ALTM/1 1SA1 K11
4. Procedure
_________
R
Subtask 34-42-00-740-051
A. BITE Test
NOTE : - During the test, you can hear auto call out announcements 40 or
____
41 or 42.
-You must open the RA1 circuit breaker to hear auto call out announcements during the RA2 ARINC TEST.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
On the MCDU:
-get the LRRA1 (LRRA2) page then push the line key adjacent to the ARINC TEST indication.
-push the line key adjacent to the RETURN indication.
On the CAPT (F/O PFD):
-
the bottom sector line moves downfrom the horizon line.
-
the radio altitude indication is 40
ft. At the end of the test, on the MCDU, the NO FAILURE DETECTED message comes into view.
On the CAPT (F/O PFD):
-
the bottom sector line moves up to the horizon line.
-
the radio altitude indication is O
ft. On the MCDU, the LRRA1 (LRRA2) page comes into view.
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R **ON A/C 001-004,
R Post SB 34-1171 For A/C 001-004,
R Subtask 34-42-00-740-051-A
R A. BITE Test
R NOTE : - During the test, you can hear auto call out announcements 40 or____
R 41 or 42.
R - You must open the RA1 circuit breaker to hear auto call out
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