LRU Identification
Figure 008
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Ground Scan
Figure 009
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TROUBLE SHOOTING DATA from
LAST LEG REPORT
Figure 010
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TROUBLE SHOOTING DATA from
PREVIOUS LEG REPORT
Figure 011
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TROUBLE SHOOTING DATA : EFCS STATUS
Figure 012
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R 4. Test____
R This function is presented on the MCDU by the FCDCs. It has two purposes:
R - initiate tests related to flight controls,
R - display the test results on the MCDU.
R Two tests are available:
R - elevator servocontrol damping test
R - aileron servocontrol damping test
R A. Elevator servocontrol damping test
R (Ref. Fig. 013)
R This test is initiated from the MCDU : indications given by the MCDU
R provide guidance to conduct the test.
R The test is driven by the FCDC and is performed by the SEC1 and SEC2.
R The SECs control the deflections of the surfaces by pressurizing each
R servocontrol simultaneously then alternatively.
R - If the test is possible
R For each movement, the FCDC memorizes a deflection speed and a pressure
R drop, then it deducts a damping coefficient.
R The test result is displayed on the MCDU in the form L ELEV TEST OK or
R R ELEV TEST OK.
R The value of the damping coefficient can be obtained and displayed
R through the TEST REPORT.
R - If the test is not possible
R The test result is displayed on the MCDU in the form ELEV TEST NOT
R POSSIBLE.
R The computer which have identified the anomaly, and the engagement
R condition code are displayed on the MCDU.
R (Ref. Fig. 014)
R
B. Aileron servocontrol damping test
(Ref. Fig. 015)
The test is conducted in the same manner as the elevator servocontrol
test.
The test is driven by the FCDC and performed by the two ELACs.
- If the test is possible
Measurements identical with that on elevators are performed.
The test result is displayed on the MCDU in the form R AIL TEST OK or L
AIL TEST OK.
The value of the damping coefficient can be obtained and displayed
through the TEST REPORT.
- If the test is not possible
The test result is displayed on the MCDU in the form AIL TEST NOT
POSSIBLE.
The computer which have identified the anomaly, and the engagement
condition code are displayed on the MCDU.
R Elevator Servocontrol Damping Test Figure 013
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R Elevator Test not possible Figure 014
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Aileron Servocontrol Damping Test
Figure 015
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-ground condition
-ADR OFF
-wheel speed < 6kts
-both FCDCs available
NOTE : When a test is not possible on hexa code is display on the
____ MCDU in order to help the operator. When the FCDC is in MENUE mode. the FCDC FAULT warning is displayed on the upper ECAM. (Ref. Fig. 014, 016)
R Ail Test not possible Figure 016
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本文链接地址：A320飞机维护手册 AMM FLIGHT CONTROLS 飞行操纵9(113)
