Failure of the Cooling System of the CAPT ND DU
1. Possible Causes
_______________
- avionics ventilation system
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-26-00-710-001 Operational Check of System via MCDU
AMM 31-60-00-740-004 EIS System Test
3. Fault Confirmation
__________________
A. Test
Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).
4. Fault Isolation
_______________
A. If the test gives the maintenance message DU ND CAPT(3WT1)/COOLING:
- do the operational test of the avionics equipment ventilation (Ref. AMM TASK 21-26-00-710-001)
(1) If the avionics ventilation system does not operate correctly:
- do the related trouble shooting (Ref. TSM chapter 21)
(2) If the avionics ventilation system operates correctly:
- do a visual check of the cooling air inlet and outlet of the CAPT ND DU
(a) If you find damage, repair it.
5. Close-up
________
A. Do the test given in Para. 3.A.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 401-499, ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page C219
Aug 01/05 CES
Failure of the Cooling System of the FO PFD DU
1. Possible Causes
_______________
- avionics ventilation system
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-26-00-710-001 Operational Check of System via MCDU
AMM 31-60-00-740-004 EIS System Test
3. Fault Confirmation
__________________
A. Test
Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).
4. Fault Isolation
_______________
A. If the test gives the maintenance message DU PFD FO(2WT2)/COOLING:
- do the operational test of the avionics equipment ventilation (Ref. AMM TASK 21-26-00-710-001)
(1) If the avionics ventilation system does not operate correctly:
- do the related trouble shooting (Ref. TSM chapter 21)
(2) If the avionics ventilation system operates correctly:
- do a visual check of the cooling air inlet and outlet of the FO PFD DU
(a) If you find damage, repair it.
5. Close-up
________
A. Do the test given in Para. 3.A.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 401-499, ∞∞31-63-00∞∞∞∞∞∞∞∞∞∞Page C220
Aug 01/05 CES
Failure of the Cooling System of the FO ND DU
1. Possible Causes
_______________
- avionics ventilation system
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-26-00-710-001 Operational Check of System via MCDU AMM 31-60-00-740-004 EIS System Test
3. Fault Confirmation
__________________
A. Test
Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).
4. Fault Isolation
_______________
A. If the test gives the maintenance message DU ND FO(3WT2)/COOLING:
- do the operational test of the avionics equipment ventilation (Ref. AMM TASK 21-26-00-710-001)
(1) If the avionics ventilation system does not operate correctly:
- do the related trouble shooting (Ref. TSM chapter 21)
(2) If the avionics ventilation system operates correctly:
- do a visual check of the cooling air inlet and outlet of the FO ND DU
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本文链接地址：A320 Trouble Shooting Manual 排故手册 指示和记录系统 2(115)
