a380-Level II - Ata 27 Flight Controls

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A380

TECHNICAL TRAINING MANUAL

MAINTENANCE COURSE - T1 & T2 (RR / Metric)

LEVEL II - ATA 27 Flight Controls

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This document must be used for training purposes only

Under no circumstances should this document be used as a reference

It will not be updated.

All rights reserved

No part of this manual may be reproduced in any form,

by photostat, microfilm, retrieval system, or any other means,

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LEVEL II - ATA 27 FLIGHT CONTROLS

Flight Controls System Description (2) . . . 2 Trimmable Horizontal Stabilizer Actuator Bay Lights & Power Outlets

Description (2) . . . 16 Flight Control System Operation, Control & Indicating (2) . . . 20 Component Location (2) . . . 30

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Primary Flight Controls System

Architecture

The primary flight control system has four blocks:

- the CONTROL block with the pilot inputs (side sticks, rudder pedals...),

- the COMPUTATION block with different computers as the PRIMary systems, the SEcondary Computers, the electrical backup system, and the Flight Control Data Concentrator (FCDC),

- the ACTUATION block with the flight control surfaces,

- and the INDICATING block with the monitoring displays (PFDs, SD, and EWD).

Flight control computer reset P/BSWs are installed on the LH and RH side flight control panels 1211VM and

1212VM installed on the cockpit overhead panel.

These reset P/BSWs are used for the software reset of the computers.

MAINTENANCE COURSE - T1 & T2 (RR / Metric) LEVEL II - ATA 27 Flight Controls

FLIGHT CONTROLS SYSTEM DESCRIPTION (2) Mar 17, 2006 Page 2

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PRIMARY FLIGHT CONTROLS SYSTEM - ARCHITECTURE

A380 TECHNICAL TRAINING MANUAL

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Primary Flight Controls System (continued)

Computer Power Supply

The PRIM1 and SEC1 are supplied by 28VDC (DC ESS BUS). The PRIM2 and SEC2 are supplied by 28 VDC (DC EHA) The PRIM3 and SEC3 are supplied by the 28VDC (DC BUS 1). The electrical backup system is powered by the green and yellow hydraulic system.

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PRIMARY FLIGHT CONTROLS SYSTEM - COMPUTER POWER SUPPLY

A380 TECHNICAL TRAINING MANUAL

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Primary Flight Controls System (continued)

Servo-Control Power Supply

The power supplies used by the servo-controls and the Trimmable Horizontal Stabilizer (THS) actuator are the two hydraulic circuits and three different electrical power sources:

- AC ESS BUS (E1), - AC EHA (E2), - AC BUS 1 (E3).

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PRIMARY FLIGHT CONTROLS SYSTEM - SERVO-CONTROL POWER SUPPLY

A380 TECHNICAL TRAINING MANUAL

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Primary Flight Controls System (continued)

Cockpit Safety Devices

To prevent primary surfaces from moving, a lock pin is used to lock the side stick.

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PRIMARY FLIGHT CONTROLS SYSTEM - COCKPIT SAFETY DEVICES

A380 TECHNICAL TRAINING MANUAL

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Secondary Flight Controls System

Architecture

The secondary flight control system has four blocks:

- the CONTROL with pilot layout (slat flap lever + RESET C/B), - the COMPUTATION with two Slat Flap Control Computers (SFCCs),

- the ACTUATION with the transmissions and surfaces, - the INDICATING with the Primary Flight Display (PFD).

RESET C/Bs are installed on the 1231VM and 1222VM installed on the cockpit overhead panel.

These RESET C/Bs are used for the software reset of the computers.

Computer Power Supply

The SFCC 1 is powered by 28VDC (DC ESS BUS). The SFCC 2 is powered by 28VDC (DC BUS 2).

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SECONDARY FLIGHT CONTROLS SYSTEM - ARCHITECTURE & COMPUTER POWER SUPPLY

A380 TECHNICAL TRAINING MANUAL

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Secondary Flight Controls System (continued)

Power Control Unit Supply

The flap Power Control Unit (PCU) hydraulic motors are powered by the green and yellow hydraulic circuits.

The slat PCU hydraulic motor is powered by the green hydraulic circuit, and the electrical motor is powered by 115 VAC ESSential network.

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SECONDARY FLIGHT CONTROLS SYSTEM - POWER CONTROL UNIT SUPPLY

A380 TECHNICAL TRAINING MANUAL

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Secondary Flight Controls System (continued)

Cockpit Safety Devices

To prevent secondary surface from moving, a locking tool is used to lock the slat/flap control lever.

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SECONDARY FLIGHT CONTROLS SYSTEM - COCKPIT SAFETY DEVICES

A380 TECHNICAL TRAINING MANUAL

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DESCRIPTION (2)

System Overview

The Trimmable Horizontal Stabilizer (THS) bay has six Light Emitting Diode (LED) type lights installed in the bay floor and bay ceiling. The system also includes two 28 VDC power outlets to facilitate performance of the maintenance tasks in this area. The lights are controlled from a single toggle switch installed on the fuselage floor, on the LH of the bay access door (311AB). The service lights and the power outlets are energized from the 28 VDC GND SVCE BUS.

Human factor point:

WARNING: BE CAREFUL WITH MOVING SURFACES,

MOVEMENT OF SURFACES CAN KILL OR CAUSE INJURY TO PERSONS.

TRIMMABLE HORIZONTAL STABILIZER ACTUATOR BAY LIGHTS & POWER OUTLETS DESCRIPTION (2)

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SYSTEM OVERVIEW

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SYSTEM OVERVIEW

TRIMMABLE HORIZONTAL STABILIZER ACTUATOR BAY LIGHTS & POWER OUTLETS DESCRIPTION (2)

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Primary Flight Controls

FLIGHT CONTROL SYSTEM OPERATION, CONTROL & INDICATING (2)

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PRIMARY FLIGHT CONTROLS

A380 TECHNICAL TRAINING MANUAL

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Primary Flight Controls (continued)

General Operation, Control & Indication

NOTE: Note: No more control wheel.

WARNING: Flight control surface movement

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PRIMARY FLIGHT CONTROLS - GENERAL OPERATION, CONTROL & INDICATION

A380 TECHNICAL TRAINING MANUAL

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Primary Flight Controls (continued)

Flight Control Computer Status and Reset

WARNING: BCM activated if all computers OFF + one hydraulic circuit pressurized.

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PRIMARY FLIGHT CONTROLS - FLIGHT CONTROL COMPUTER STATUS AND RESET

A380 TECHNICAL TRAINING MANUAL

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Secondary Flight Controls

General Operation, Control & Indication

WARNING: Flight control surface movement, risk of interference between slat or droop nose and engine cowling.

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SECONDARY FLIGHT CONTROLS - GENERAL OPERATION, CONTROL & INDICATION

A380 TECHNICAL TRAINING MANUAL

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Secondary Flight Controls (continued)

Slat/Flap Control Computer Status And Reset

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SECONDARY FLIGHT CONTROLS - SLAT/FLAP CONTROL COMPUTER STATUS AND RESET

A380 TECHNICAL TRAINING MANUAL

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Primary Flight Controls

Secondary Flight Controls

COMPONENT LOCATION (2) Mar 17, 2006 Page 30

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