- if the fault continues and has been identified by the EFCS only, do the next step.

 (3) Replace the SEC-2 (1CE2), (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).

 (a) Do the test in Para. 3.A.(2):
 - if the fault continues, do the next step.

 (4) Replace the SEC-3 (1CE3), (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).

 (a) Do the test in Para. 3.A.(2):
 - if the fault continues, do the next step.

 (5) Do a check and repair as necessary the LGCIU-1 BUS 2 aircraft wiring between the LGCIU-1 ARINC connector tray and the SEC-2 and SEC-3 (Ref. AWM 32-61-05) (Ref. AWM 27-92-52) and (Ref. AWM 27-92-54).

 (6) Do the test in Para. 3.A.(2):

 「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 ∞∞32-31-00∞∞∞∞∞∞∞∞∞∞Page A204
 May 01/05R
 CES

 TASK 32-31-00-810-844

 LGCIU - Loss of Data by the SEC,DMC,FWC,DMU,FAC or SFCC from LGCIU 1 or LGCIU 2
 1. Possible Causes
_______________
 - LGCIU-1 (5GA1)

 - LGCIU-2 (5GA2)

 - aircraft wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 32-31-71-000-001 Removal of the LGCIU (5GA1, 5GA2)
 AMM 32-31-71-400-001 Installation of the LGCIU (5GA1, 5GA2)
 ASM 32-61/04

 3. Fault Confirmation
__________________
 A. Test
 (1) Select MCDU MENU mode and set the CFDS menu, then access the A/C CURRENT STATUS page.

 (2) Do a check of the STATUS report and look for an LGCIU 1 (2) fault

 from the SEC, DMC, FWC, DMU, FAC and SFFC: R - If only one of the units reports a fault, do the trouble shooting R procedure related to the maintenance message applicable to the unit R that reported the fault
 - If more than one of these units report a fault, do the Fault Isolation procedure in Para. 4.
 NOTE : The ATA references for the related sytems are as follows:
____
 - SEC (27-95-00)

 - DMC (31-63-00)

 - FWC (31-53-00)

 - DMU (31-36-00)

 - FAC (22-66-00)

 - SFCC (27-51-00)

 4. Fault Isolation
_______________
 A. Procedure
 NOTE : This fault isolation procedure is for an LGCIU loss of data fault,
____ reported by other units connected to the LGCIU by an ARINC data-bus.
 「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 ∞∞32-31-00∞∞∞∞∞∞∞∞∞∞Page A205
 May 01/05 CES

 (1) Interchange the two LGCIU (Ref. AMM TASK 32-31-71-000-001) and (Ref. AMM TASK 32-31-71-400-001),

 (2) Do the test in Para. 3.A:

 - if the fault stays in the LGCIU system shown on the PFR, go to step

 (5)

 - if the fault moves to the opposite LGCIU system, do the next step

 (3) Replace the LGCIU-1 (5GA1) or LGCIU-2 (5GA2), in the opposite system to that shown on the PFR.

 (4) Do the test in Para. 3.A:

 - if the fault continues, do the next step.

 (5) Do a check of the aircraft wiring (Ref. ASM 32-61/04) related to the ARINC connector of the LGCIU system shown on the PFR.

 (6) Do the test in para 3.A.

 「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 ∞∞32-31-00∞∞∞∞∞∞∞∞∞∞Page A206
 May 01/05R
 CES

 TASK 32-31-00-810-845

 LGCIU - EFCS Reports Loss of Data from LGCIU 2 Bus 2
 1. Possible Causes
_______________
 - LGCIU-2 (5GA2)

 - SEC-1 (1CE1)

 - aircraft wiring

 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)
 AMM 32-31-71-000-001 Removal of the LGCIU (5GA1, 5GA2)
　
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