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D. Position Indicating
The upper display unit of the ECAM system shows the position of the flaps. The IPPU, which is installed on the PCU, supplies flap position data to the flight data recorder and the Flight Warning Computer (FWC) (Ref. 27-55-00).
A visual check of the position of the flaps can be done through the windows in the fuselage that are adjacent to the flaps. The windows to be used are identified by a brown triangle on the sidewall panel above them.
8. BITE Test
_________ R (Ref. Fig. 005, 006)
The flap system has a Built-In Test Equipment (BITE). You can do tests of the system through the Multipurpose Control and Display Unit (MCDU) in the aircraft cockpit (Ref. 27-51-00). The MCDU also indicates any failures in the system and gives trouble shooting data for the system. The two SFCCs also do a BITE check on power-up.
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MCDU System Displays - SFCC Test Figure 005 (SHEET 1)
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MCDU System Displays - SFCC Test Figure 005 (SHEET 2)
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MCDU System Displays - SFCC Test
Figure 005 (SHEET 3)
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MCDU System Displays - WTB/POB Test
Figure 006 (SHEET 1)
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MCDU System Displays - WTB/POB Test
Figure 006 (SHEET 2)
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FLAPS - MAINTENANCE PRACTICES
_____________________________
TASK 27-50-00-866-008
Extension of the Flaps on the Ground
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
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 GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
R To extend the flaps without movement of the slats. To extend the flaps and R slats at the same time (Ref. TASK 27-50-00-866-00801).
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific safety barriers
No specific warning notice(s)
98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 27-00-00-480-002 Installation of the Flap/Slat Control-Lever Locking
Tool (98D27803000000)
29-10-00-863-002 Pressurize the Yellow Hydraulic System
29-10-00-864-002 Depressurize the Yellow Hydraulic System
31-60-00-860-001 EIS Start Procedure
31-60-00-860-002 EIS Stop Procedure
3. Job Set-up__________
Subtask 27-50-00-941-052
A. Safety Precautions
(1) Put the safety barriers in position.
(2) Put the warning notice(s) in position to tell persons that the flap system is in operation.
Subtask 27-50-00-860-054
B. Aircraft Maintenance Configuration
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
R (1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
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