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 A. If the test gives the maintenance message DMC2 : NO RA2 DATA:
 - replace the XCVR-RA, 2 (2SA2) (Ref. AMM TASK 34-42-33-000-001) and (Ref. AMM TASK 34-42-33-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the ALTITUDE BUS 2 from the RA transceiver 2 (2SA2) to the first terminal block (Ref. ASM 34-42/02).
R **ON A/C 106-149, 303-399, 401-499,
 A. If the test gives the maintenance message RA2(2SA2)/DMC2(1WT2):
 - replace the XCVR-RA, 2 (2SA2) (Ref. AMM TASK 34-42-33-000-001) and (Ref. AMM TASK 34-42-33-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the ALTITUDE BUS 2 from the RA transceiver 2 (2SA2) to the first terminal block (Ref. ASM 34-42/02).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Loss of the Altitude Bus 2 of the RA Transceiver 2 Identified by the EIS3
 1. Possible Causes
_______________
 - XCVR-RA, 2 (2SA2)

 - wiring of the ALTITUDE BUS 2 from the RA transceiver 2 (2SA2) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC AMM 34-42-33-000-001 Removal of the Radio Altimeter Transceiver 2SA1 and
 2SA2 AMM 34-42-33-400-001 Installation of the Radio Altimeter Transceiver 2SA1 and 2SA2 ASM 34-42/02
 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU COM NAV/RAD ALTM/2 1SA2 K12
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 B. Test
 (1) Do the EIS input test (Ref. AMM TASK 31-60-00-740-002). R **ON A/C 106-149, 303-399, 401-499,
 B. Test
 (1) Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007)
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-42-00∞∞∞∞∞∞∞∞∞∞Page 226
 Aug 01/05 CES 4. Fault Isolation

_______________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 A. If the test gives the maintenance message DMC3 : NO RA2 DATA:
 - replace the XCVR-RA, 2 (2SA2) (Ref. AMM TASK 34-42-33-000-001) and (Ref. AMM TASK 34-42-33-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the ALTITUDE BUS 2 from the RA transceiver 2 (2SA2) to the first terminal block (Ref. ASM 34-42/02).
R **ON A/C 106-149, 303-399, 401-499,
 A. If the test gives the maintenance message RA2(2SA2)/DMC3(1WT3):
 - replace the XCVR-RA, 2 (2SA2) (Ref. AMM TASK 34-42-33-000-001) and (Ref. AMM TASK 34-42-33-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the ALTITUDE BUS 2 from the RA transceiver 2 (2SA2) to the first terminal block (Ref. ASM 34-42/02).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Loss of the Altitude Bus 2 of the RA Transceiver 2 Identified by the ECAM 1
 1. Possible Causes
_______________
 - XCVR-RA, 2 (2SA2)

 - wiring of the ALTITUDE BUS 2 from the RA transceiver 2 (2SA2) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System AMM 34-42-33-000-001 Removal of the Radio Altimeter Transceiver 2SA1 and 2SA2 AMM 34-42-33-400-001 Installation of the Radio Altimeter Transceiver 2SA1 and 2SA2 ASM 34-42/02
 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU COM NAV/RAD ALTM/2 1SA2 K12
 B. Test
 (1) Do the operational test of the central warning systems (Ref. AMM TASK 31-50-00-710-001).
　
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