1. Possible Causes
_______________
 - SEC-3 (1CE3)

 - wiring from the LGCIU2 (5GA2) to the SEC3 (1CE3)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3) AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3) AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-92/55
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message:
 LGCIU2 OR BUS1 TO SEC3

 - replace the SEC-3 (1CE3) (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the LGCIU2 (5GA2) to the SEC3 (1CE3) (Ref. ASM 27-92/55).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page A248
 May 01/05R
 CES  Loss of the LGCIU2 BUS1 for the SEC2

 1. Possible Causes
_______________
 - SEC-2 (1CE2)

 - wiring from the LGCIU2 (5GA2) to the SEC2 (1CE2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3) AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3) AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-92/54
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message:
 LGCIU2 OR BUS1 TO SEC2

 - replace the SEC-2 (1CE2) (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the LGCIU2 (5GA2) to the SEC2 (1CE2) (Ref. ASM 27-92/54).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page A249
 May 01/05R
 CES  Loss of the LGCIU2 BUS2 for the SEC1

 1. Possible Causes
_______________
 - SEC-1 (1CE1)

 - wiring from the LGCIU2 (5GA2) to the SEC1 (1CE1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3) AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3) AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-92/53
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message:
 LGCIU2 OR BUS2 TO SEC1

 - replace the SEC-1 (1CE1) (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the LGCIU2 (5GA2) to the SEC1 (1CE1) (Ref. ASM 27-92/53).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page A250
 May 01/05R
 CES  Disagree between LGCIU1 and LGCIU2 for the SEC

 1. Possible Causes
_______________
 - SEC-3 (1CE3)

 - SEC-2 (1CE2)

 - SEC-1 (1CE1)

 - LGCIU-1 (5GA1)
　
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