4. Fault Isolation
_______________
 **ON A/C ALL
R  Post SB 34-1147 For A/C 001-004,051-060, Post SB 34-1184 For A/C 001-004,
R  Post SB 34-1186 For A/C 001-049,101-101,
 A. If the test gives the maintenance message
 FMGC1(1CA1) BUS GPS/MMR1(40RT1):

 - swap the MMR-1 (40RT1) and the MMR-2 (40RT2) (Ref. AMM TASK 34-36-31-000-002) and (Ref. AMM TASK 34-36-31-400-002).

 - do the BITE test of the MMR2 (Ref. AMM TASK 34-36-00-740-003).

 (1) If the test gives the maintenance message
 FMGC2(1CA2) BUS GPS/MMR2(40RT2):

 - replace the MMR that you installed on the side 2.

 (2) If the fault continues:

 - replace the FMGC-1 (1CA1) (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring from the FMGC1 to the MMR1 from pins AB/11A, 11B to pins AB/8C, 8D (Ref. ASM 34-36/02).
 B. Do the test given in para. 3.

 TASK 34-36-00-810-863
 Loss of the MMR2 BUS GPS from the FMGC1
 1. Possible Causes
_______________
 - MMR-2 (40RT2)

 - FMGC-1 (1CA1)

 - wiring from the FMGC1 to the MMR2

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2)
 AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
 AMM 34-36-00-740-003 BITE Test of the MMR
 AMM 34-36-31-000-002 Removal of the Multi Mode Receiver (40RT1, 40RT2)
 AMM 34-36-31-400-002 Installation of the Multi Mode Receiver (40RT1,

 40RT2)
 ASM 34-36/02

 3. Fault Confirmation
__________________
 **ON A/C ALL
R  Post SB 34-1147 For A/C 001-004,051-060, Post SB 34-1184 For A/C 001-004,
R  Post SB 34-1186 For A/C 001-049,101-101,
 A. Test Do the BITE test of the MMR2 (Ref. AMM TASK 34-36-00-740-003).

 4. Fault Isolation
_______________
 **ON A/C ALL
R  Post SB 34-1147 For A/C 001-004,051-060, Post SB 34-1184 For A/C 001-004,
R  Post SB 34-1186 For A/C 001-049,101-101,
 A. If the test gives the maintenance message
 FMGC1(1CA1) BUS GPS/MMR2(40RT2):

 - swap the MMR-2 (40RT2) and the MMR-1 (40RT1) (Ref. AMM TASK 34-36-31-000-002) and (Ref. AMM TASK 34-36-31-400-002).

 - do the BITE test of the MMR1 (Ref. AMM TASK 34-36-00-740-003).

 (1) If the test gives the maintenance message
 FMGC2(1CA2) BUS GPS/MMR1(40RT1):

 - replace the MMR that you installed on the side 1.

 (2) If the fault continues:

 - replace the FMGC-1 (1CA1) (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring from the FMGC1 to the MMR2 from pins AB/10A, 10B to pins AB/8J, 8K (Ref. ASM 34-36/02).
 B. Do the test given in para. 3.

 TASK 34-36-00-810-864
 Loss of the MMR1 BUS GPS from the FMGC2
 1. Possible Causes
_______________
 - MMR-1 (40RT1)

 - FMGC-2 (1CA2)

 - wiring from the FMGC2 to the MMR1

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2)
 AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
 AMM 34-36-00-740-003 BITE Test of the MMR
 AMM 34-36-31-000-002 Removal of the Multi Mode Receiver (40RT1, 40RT2)
 AMM 34-36-31-400-002 Installation of the Multi Mode Receiver (40RT1,

 40RT2)
 ASM 34-36/02

 3. Fault Confirmation
__________________
 **ON A/C ALL
R  Post SB 34-1147 For A/C 001-004,051-060, Post SB 34-1184 For A/C 001-004,
R  Post SB 34-1186 For A/C 001-049,101-101,
 A. Test Do the BITE test of the MMR1 (Ref. AMM TASK 34-36-00-740-003).

 4. Fault Isolation
_______________
 **ON A/C ALL
R  Post SB 34-1147 For A/C 001-004,051-060, Post SB 34-1184 For A/C 001-004,
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 導航 NAVIGATION 2(136)