External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power ASM 22-85/04
 3. Fault Confirmation
__________________
 A. Job Set-up
 (1) Aircraft Maintenance Configuration
 (a) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FMGC/1 10CA1 B02 49VU AUTO FLT/MCDU/1 11CA1 B01 49VU COM/RMP/1 2RG1 G10 121VU COM NAV/RMP/2 2RG2 L02 121VU AUTO FLT/FMGC/2 10CA2 M17 121VU AUTO FLT/MCDU/2 11CA2 N20
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞22-82-00∞∞∞∞∞∞∞∞∞∞Page 239
 May 01/00R CES

 C. Test

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the center pedestal, on the MCDU 2:
 - turn the BRT knob to make the
 light more or less bright

 - push the RAD/NAV mode key. - the RAD/NAV page comes into view.

 4. Fault Isolation
_______________
 A. If the RAD/NAV page does not come into view:
 - replace the FMGC-2 (1CA2) (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the NAV CONTROL OWN and NAV CONTROL OPP discretes (from the FMGC 2 (1CA2) to the first terminal block) (Ref. ASM 22-85/04).
 B. Do the test given in Para. 3.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.
 (1) De-energize the aircraft electrical circuits
 (Ref. AMM TASK 24-41-00-862-002).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞22-82-00∞∞∞∞∞∞∞∞∞∞Page 240
 May 01/00R
 CES

 CHECK GW Message Systematically Shown on the MCDU
 1. Possible Causes_______________
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
34-11-00-810-861  Different Angle of Attack Value on the three ADIRUs
 3. Fault Confirmation__________________
 A. Test Not applicable.
 4. Fault Isolation_______________
 A. If the CHECK GW message is shown on the MCDU: - Do a check on the Post Flight Report if SFCC failure(s).
R R R R R  (1) If there is one or several (ECAM and/or CFDS) messages: - do the trouble shooting procedure related to the maintenance message. For defective LRU(s), see the Fault Symptoms List. 
(2) If no SFCC failure: - carefully do a check of the three angle of attack sensors.
 (a) Apply the Trouble Shooting procedure (Ref. TASK 34-11-00-810-861), from Para. 4. (1) to the end.

 Access to RAD/NAV Page on the MCDU 1&2 Inoperative
 1. Possible Causes
_______________
 - RMP-COM/NAV FREQ SEL, 1 (1RG1)

 - RMP-COM/NAV FREQ SEL, 2 (1RG2)

 - wiring of the NAV OPERATION DIS OUTPUT discretes (from the RMP 1 (1RG1) to the first terminal block and from the RMP 2 (1RG2) to the first terminal block)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 23-13-13-000-001 Removal of the Radio Management Panel (CRMP) (1RG1, 1RG2, 1RG3) AMM 23-13-13-400-001 Installation of the Radio Management Panel (CRMP) (1RG1, 1RG2, 1RG3) AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power ASM 22-85/04
 3. Fault Confirmation
__________________
 A. Job Set-up
 (1) Aircraft Maintenance Configuration
 (a) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FMGC/1 10CA1 B02 49VU AUTO FLT/MCDU/1 11CA1 B01 49VU COM/RMP/1 2RG1 G10 121VU COM NAV/RMP/2 2RG2 L02 121VU AUTO FLT/FMGC/2 10CA2 M17 121VU AUTO FLT/MCDU/2 11CA2 N20
　
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