TASK 34-58-00-810-802
Loss of the GPSSU2 Input on the ADIRU1
1. Possible Causes
_______________
- MMR-2 (40RT2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 34-14-00-740-001 Interface Test of the IR
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)
3. Fault Confirmation
__________________ **ON A/C ALL R Post SB 34-1147 For A/C 001-004,051-060,
A. Test
(1) Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-740-001).
**ON A/C ALL
4. Fault Isolation
_______________ **ON A/C ALL R Post SB 34-1147 For A/C 001-004,051-060,
A. If the test gives the maintenance message GPSSU2 (1SN2):
- read the POST FLIGHT REPORT for other GPSSU2 (1SN2) maintenance messages (ATA 34-58-31 source IR2, IR3).
NOTE : In this case the GPSSU2 message is for the GPS part of the MMR2.
____
「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 ∞∞34-58-00∞∞∞∞∞∞∞∞∞∞Page 203
May 01/05 CES (1) If there is a minimum of one maintenance message:
- replace the MMR-2 (40RT2) (Ref. AMM TASK 34-36-31-000-002) and (Ref. AMM TASK 34-36-31-400-002).
B. Do the test given in para. 3.
TASK 34-58-00-810-803
Loss of the GPSSU1 Data on the ADIRU1
1. Possible Causes_______________
R R - GPSSU-1 (1SN1) - ADIRU-1 (1FP1) - wiring from the GPSSU1 to the ADIRU1
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R AMM AMM AMM AMM AMM ASM 34-12-34-000-001 34-12-34-400-001 34-14-00-740-001 34-58-31-000-001 34-58-31-400-001 34-58/01 Removal of the ADIRU (1FP1, 1FP2, 1FP3)Installation of the ADIRU (1FP1, 1FP2, 1FP3)Interface Test of the IR Removal of the GPSSU (1SN1,1SN2) Installation of the GPSSU (1SN1,1SN2)
3. Fault Confirmation__________________
R
A. Test
(1) Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-740-001).
R
4. Fault Isolation_______________
R A. If the test gives the maintenance message GPSSU1 (1SN1)/ADIRU1 (1FP1):
R - replace the GPSSU-1 (1SN1) (Ref. AMM TASK 34-58-31-000-001) and (Ref.
R AMM TASK 34-58-31-400-001).
R (1) If the fault continues:
R - replace the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001) and
R (Ref. AMM TASK 34-12-34-400-001).
R (a) If the fault continues:
R - do a check and repair the wiring from the GPSSU1 to the ADIRU1:
R pins A/38, 39 to pins AB/14D, 15D for the PRIMARY GPS DATA IN
R bus and pins A/19, 20 to pins AB/14J, 15J for the PRIMARY GPS
R TIME MARK bus (Ref. ASM 34-58/01).
B. Do the test given in para. 3.
R
TASK 34-58-00-810-804
Loss of the GPSSU2 Data on the ADIRU1
1. Possible Causes
_______________ R - GPSSU-2 (1SN2)
- ADIRU-1 (1FP1) R - wiring from the GPSSU2 to the ADIRU1
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R AMM 34-12-34-000-001 AMM 34-12-34-400-001 AMM 34-14-00-740-001 AMM 34-58-31-000-001 AMM 34-58-31-400-001 ASM 34-58/01 Removal of the ADIRU (1FP1, 1FP2, 1FP3)Installation of the ADIRU (1FP1, 1FP2, 1FP3)Interface Test of the IR Removal of the GPSSU (1SN1,1SN2) Installation of the GPSSU (1SN1,1SN2)
3. Fault Confirmation__________________
R
A. Test
(1) Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-
740-001). R
4. Fault Isolation
_______________
R A. If the test gives the maintenance message GPSSU2 (1SN2)/ADIRU1 (1FP1):
R - replace the GPSSU-2 (1SN2) (Ref. AMM TASK 34-58-31-000-001) and (Ref.
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