3 The electrical system
Section 3 The electrical system
Check the external and internal required placards.
Reference should be made to the aircraft flight manual and airworthiness directives for the required placards.
Take the following action in relation to the air‑conditioning system:
inspect the distribution system electrical components and interwiring;
inspect the heating and temperature control system;
inspect the freon system electrical components and interwiring;
inspect the air cycle system electrical components and interwiring.
Take the following action in relation to the electrical power:
inspect the AC generation system (including the generator, invertor, regulator, interwiring, control relays and switching);
inspect the AC distribution system;
inspect the DC generation system (including the generator, regulator, transformer or rectifier units, interwiring, control relays and switches);
inspect the DC distribution system (including the busses, circuit breakers or fuses, relays, switches and interwiring);
inspect the starter generator;
inspect the indication systems;
inspect the batteries;
inspect the external power system.
Take the following action in relation to electrical equipment and furnishing:
inspect the flight compartment (including any spare bulbs and fuses);
inspect the passenger compartment (including any spare bulbs and fuses);
inspect the buffet or galley electrical systems, the lavatory compartment electrical systems and the cargo compartment electrical systems.
Take the following action in relation to the following fire protection systems:
inspect the engine fire detection system;
inspect any other fire and smoke detection systems;
inspect the engine fire extinguishing system;
inspect any other fire extinguishing systems.
Inspect the electrical components and interwiring of the following flight control systems:
the trim and flap system;
the lift dump and spoiler system;
the lift augmenting system.
Inspect the electrical components and interwiring of the fuel distribution and dump system.
Inspect the electrical components and interwiring of the main and auxiliary hydraulic systems.
Inspect the electrical components and interwiring of the following ice and rain protection systems:
the anti/de‑ice systems;
the ice detection and indication systems.
Inspect the systems and components that give audible or visual warnings.
Inspect the electrical components and interwiring of the following landing gear systems:
the extension and retraction systems;
the wheels, brakes and anti‑skid system;
the nose wheel steering system;
the position and warning system;
the anti‑retract system.
Inspect lights in or on the following areas:
the flight compartment, the passenger compartment and the cargo and service compartment;
the exterior and emergency systems.
Inspect the electrical components and interwiring of pneumatic systems.
Inspect the electrical or electronic control panels, equipment racks and junction boxes.
Inspect the electrical components and interwiring of passenger, crew and cargo doors.
Inspect the electrical components and interwiring of the propeller control and anti/de‑ice systems.
Inspect the electrical harnesses, excluding the ignition harness.
Inspect the electrical components and interwiring of the engine fuel and engine control systems.
Take the following action in relation to the ignition:
inspect the electrical power supplies;
inspect the booster coils, vibrator systems and high energy ignition systems;
inspect the switching, including by performing an insulation check of the magneto switch leads.
Inspect the engine starting system.
This Act’s bill:Explanatory statement
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