1. Possible Causes
_______________
 - MMR-1 (40RT1)

 - MMR-2 (40RT2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
 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 2) (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 GPSSU1 (1SN1) + GPSSU2 (1SN2):
 - read the CFDIU CLASS 3 FAULTS for ATA 341400 and SOURCE IR2 (Ref. AMM TASK 31-32-00-869-002).
 NOTE : In this case the GPSSU message is for the GPS part of the related
____
 MMR.

 「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 227
 May 01/05 CES

R  (1) If the CLASS 3 FAULTS report gives one or two of these maintenance 
R  messages GPSSU1 (1SN1)/ADIRU2 (1FP2) and GPSSU2 (1SN2)/ADIRU2 (1FP2), 
R  you can find the related trouble shooting procedure in the applicable 
R  Page Block 101. 
R  (2) If the CLASS 3 FAULTS report does not give one or two of these 
R  maintenance messages GPSSU1 (1SN1)/ADIRU2 (1FP2) and GPSSU2 
R  (1SN2)/ADIRU2 (1FP2): 
R  - replace the MMR-1 (40RT1) and MMR-2 (40RT2) (Ref. AMM TASK 34-36-
R  31-000-002) and (Ref. AMM TASK 34-36-31-400-002). 
R  B. Do the test given in para. 3.

 TASK 34-58-00-810-827
 Loss of GPS Data on the ADIRU3

 1. Possible Causes
_______________
 - MMR-1 (40RT1)

 - MMR-2 (40RT2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
 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 3) (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 GPSSU1 (1SN1) + GPSSU2 (1SN2):
 - read the CFDIU CLASS 3 FAULTS for ATA 341400 and SOURCE IR3 (Ref. AMM TASK 31-32-00-869-002).
 NOTE : In this case the GPSSU message is for the GPS part of the related
____
 MMR.

 「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 229
 May 01/05 CES

R  (1) If the CLASS 3 FAULTS report gives one or two of these maintenance 
R  messages GPSSU1 (1SN1)/ADIRU3 (1FP3) and GPSSU2 (1SN2)/ADIRU3 (1FP3), 
R  you can find the related trouble shooting procedure in the applicable 
R  Page Block 101. 
R  (2) If the CLASS 3 FAULTS report does not give one or two of these 
R  maintenance messages GPSSU1 (1SN1)/ADIRU3 (1FP3) and GPSSU2 
R  (1SN2)/ADIRU3 (1FP3): 
R  - replace the MMR-1 (40RT1) and MMR-2 (40RT2) (Ref. AMM TASK 34-36-
R  31-000-002) and (Ref. AMM TASK 34-36-31-400-002). 
R  B. Do the test given in para. 3.

 **ON A/C ALL
 TASK 34-58-00-810-828
 Display of an Operational Warning
 1. Possible Causes_______________
　
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