(1) Do a check of the ATSU software configuration:
- Make sure that the reference of the ATSU A/C Interface software loaded in the ATSU is the same as the reference read on the disk (Ref. AMM TASK 46-21-00-610-001).
(a) If they are different, do the related uploading procedure.
(b) If the two references are the same:
- do the initialization procedure of the ATSU (Ref. AMM TASK 46-21-00-860-001).
1 If the fault continues:
_
- replace the ATSU (1TX1) (Ref. AMM TASK 46-21-34-000-001) and (Ref. AMM TASK 46-21-34-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 208
401-499, Aug 01/05 CESR **ON A/C 106-149, 151-156, 159-199, 201-299, 301-399, 401-499,
Post SB 46-1013 For A/C 151-156,201-209,
A. If the test gives the maintenance message INVALID ATSU
CONFIG/ATSU1(1TX1):
(1) Do a check of the ATSU software configuration:
- Make sure that the references of the ATSU A/C Interface, the ATSU CONFIGURATION and the ATSU ROUTER PARAMETERS software loaded in the ATSU are respectively the same as the references read on the disks (Ref. AMM TASK 46-21-00-610-001).
(a) If they are different, do the related uploading procedure.
(b) If the two references are the same:
- do the initialization procedure of the ATSU (Ref. AMM TASK 46-21-00-860-001).
1 If the fault continues:
_
- replace the ATSU (1TX1) (Ref. AMM TASK 46-21-34-000-001) and (Ref. AMM TASK 46-21-34-400-001).
R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
B. Do the test given in Para. 3.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 209
401-499, Aug 01/05 CES
Loss of the MCDU1 Data Detected by the ATSU
1. Possible Causes
_______________
- MCDU-1 (3CA1)
- ATSU (1TX1)
- wiring of the MCDU TRANSMITTER BUS
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 22-82-12-000-001 Removal of the MCDU (3CA1,3CA2,3CA3)
AMM 22-82-12-400-002 Installation of the MCDU (3CA1,3CA2,3CA3)
AMM 46-21-00-740-001 BITE Test of the ATIMS
AMM 46-21-34-000-001 Removal of the Air Traffic Service Unit (ATSU) (1TX1)
AMM 46-21-34-400-001 Installation of the Air Traffic Service Unit (ATSU)
(1TX1)
ASM 46-21/05
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the ATIMS (Ref. AMM TASK 46-21-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message MCDU1(3CA1)/ATSU1(1TX1):
- replace the MCDU-1 (3CA1) (Ref. AMM TASK 22-82-12-000-001) and (Ref. AMM TASK 22-82-12-400-002).
(1) If the fault continues:
- replace the ATSU (1TX1) (Ref. AMM TASK 46-21-34-000-001) and (Ref. AMM TASK 46-21-34-400-001).
(a) If the fault continues:
- remove the MCDU 1 and the ATSU
- do a check and repair the wiring of the MCDU TRANSMITTER BUS : between pins A/27,28 of the MCDU 1 and pins AA/7E,7F of the ATSU (Ref. ASM 46-21/05)
- install the MCDU 1 and the ATSU.
B. Do the test given in Para. 3.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 210
401-499, Aug 01/05 CES Loss of the MCDU2 Data Detected by the ATSU
1. Possible Causes
_______________
- MCDU-2 (3CA2)
- ATSU (1TX1)
- wiring of the MCDU TRANSMITTER BUS
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 22-82-12-000-001 Removal of the MCDU (3CA1,3CA2,3CA3)
AMM 22-82-12-400-002 Installation of the MCDU (3CA1,3CA2,3CA3)
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