Failure of the Upper ECAM DU
 1. Possible Causes
_______________
 - DU-ECAM, UPPER (4WT1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-60-00-740-004 EIS System Test
 AMM 31-63-22-000-001 Removal of the Display Unit

 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)
 AMM 31-63-22-400-001 Installation of the Display Unit
 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)

 3. Fault Confirmation
__________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. Test
 Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).

R **ON A/C 401-499,
 A. Test
 Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).

 **ON A/C ALL
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. If the test gives the maintenance message DU ECAM 1:
 - replace the DU-ECAM, UPPER (4WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).

R **ON A/C 401-499,
 A. If the test gives the maintenance message DU EWD(4WT1)
 - replace the DU-ECAM, UPPER (4WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
 **ON A/C ALL
 B. Do the test given in Para. 3.

 TASK 31-63-81-810-871
 Failure of the Lower ECAM DU

 1. Possible Causes
_______________
 - DU-ECAM, LOWER (4WT2)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-60-00-740-004 EIS System Test
 AMM 31-63-22-000-001 Removal of the Display Unit

 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)
 AMM 31-63-22-400-001 Installation of the Display Unit
 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)

 3. Fault Confirmation
__________________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. Test
 Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).

R **ON A/C 401-499,
 A. Test
 Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).

 **ON A/C ALL
 4. Fault Isolation
_______________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. If the test gives the maintenance message DU ECAM 2:
 - replace the DU-ECAM, LOWER (4WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).

R **ON A/C 401-499,
 A. If the test gives the maintenance message DU SD(4WT2)
 - replace the DU-ECAM, LOWER (4WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
 **ON A/C ALL
 B. Do the test given in Para. 3.

 Failure of the CAPT ND
 1. Possible Causes
_______________
 - ND-CAPT (3WT1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-60-00-740-004 EIS System Test
 AMM 31-63-22-000-001 Removal of the Display Unit

 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)
 AMM 31-63-22-400-001 Installation of the Display Unit
 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)

 3. Fault Confirmation
__________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. Test
 Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).

R **ON A/C 401-499,
 A. Test
 Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).

 **ON A/C ALL
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 A. If the test gives the maintenance message DU ND1:
 - replace the ND-CAPT (3WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).

R **ON A/C 401-499,

 A. If the test gives the maintenance message DU ND CAPT(3WT1)
　
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