(1) Do the operational test of the flap system (Ref. para 3. A. (1)):
- during the test make sure that the power transfer unit is set to OFF. This is to make sure that only the flap system 2 PCU hydraulic motor operates.
- record the time necessary to extend the flaps and to retract the flaps.
(2) Do the operational test of the flap system (Ref. para 3. A. (1)):
- pressurise the Green hydraulic system for this test, (Ref. AMM TASK 29-10-00-863-001)
- during the test make sure that the power transfer unit is set to OFF. This is to make sure that only the flap system 1 hydraulic motor operates
- during the test make sure that the Yellow hydraulic system is depressurised (Ref. AMM TASK 29-10-00-864-002)
- this is to make sure that only the flap system 1 hydraulic motor operates
- record the time necessary to extend the flaps and to retract the flaps.
(3) Replace the PCU hydraulic motor on the slower system (Ref. AMM TASK 27-54-54-000-001) and (Ref. AMM TASK 27-54-54-400-001).
5. Close-up
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A. Remove the ground support and maintenance equipment, the special and standard tools and all other items.
B. Put the aircraft back to its initial configuration.
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CES R COMMAND SENSOR UNIT. CSU Out of Adjustment (Sensor out of valid region) No WTB R Set.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
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CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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GEAR.
1. Possible Causes
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- CSU (51CV)
- SFCC-1 (21CV)
- SFCC-2 (22CV)
- aircraft wiring
2. Job Set-up Information
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A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 27-50-00-866-008 Extension of the Flaps on the Ground
AMM 27-50-00-866-009 Retraction of the Flaps on the Ground
AMM 27-51-17-000-001 Removal of the Command Sensor Unit (CSU) (51CV)
AMM 27-51-17-400-001 Installation of the Command Sensor Unit (CSU) (51CV)
AMM 27-51-34-000-001 Removal of the SFCC (21CV,22CV)
AMM 27-51-34-400-001 Installation of the SFCC (21CV,22CV)
AMM 27-54-00-710-001 Operational Test of the Flap System
ASM 27-51/02
3. Fault Confirmation
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A. SFCC System Operational Test.
(1) Move the slats and flaps control lever from and back to the initial position.
(a) Examine the UPPER ECAM and the SD FLT/CTL page to see if the fault clears.
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(b) If the fault message clears, access FLP ON GROUND FAULTS and make sure the Ground Log is clear.
(2) Do the operational test of the flaps.(Ref. AMM TASK 27-54-00-710-001)
(a) If the ECAM warning. FLAPS FAULT is displayed.
(b) If the FLP ON GROUND FAULTS fault message: SLT/FLP CSU 51CV is displayed.
(c) Do the fault isolation.
4. Fault Isolation
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A. Procedure.
(1) Set MENU MODE and go to the sub-MENU, SYSTEM DATA FLAPS.
(a) Push the line key 3L, (DICRETE INPUTS).
(b) The named SFCC trasmits the DISCRETE INPUTS page (this page is transmitted every 5 seconds).
(c) Set the flap/slat control lever (CSU LEVER) to each flap/slat position.
(d) Compare the CSU switch banks A and B:
(e) If a difference is found,(reference table 1 page block 301).
(f) Replace the defective CSU (51CV) (Ref. AMM TASK 27-51-17-000-001) (Ref. AMM TASK 27-51-17-400-001)
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本文链接地址：A320 Trouble Shooting Manual 排故手册 飞行操纵 1(92)
