FLIGHT COMPARTMENT ILLUMINATION -DOME LIGHTS -FUNCTIONAL DESCRIPTION

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FLIGHT COMPARTMENT ILLUMINATION -FLOODLIGHTS -INTRODUCTION

Purpose
The floodlights give light to these panels:
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P1 left forward panel

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P2 center forward panel

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P3 right forward panel

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P8 aft aisle stand panel

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P9 forward aisle stand panel

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P55 glareshield center panel.

Location
The floodlights for the P1, P2, and P3 panels are above the panels. The floodlight for the P8 and P9 panels is above the aisle stand in the P5 panel. The floodlights for the P55 are above the P55 panel.
Physical Description
There are two different kinds of floodlights, strip and spot. The strip flood lights have several incandescent lights attached to a lens. Each spot floodlights is an incandescent bulb.
Training Information Point
The strip floodlights are above the P1, P2, P3, and P55 panels. The spot floodlights are above the P1, P3, and P8 and P9 panels.
When there is not sufficient light that comes from the strip floodlights, you replace the assembly. You remove two screws to release the assembly.
You remove the lens on the spot floodlights above the P1 and P3 panel to get access to the lamp. The lens and the lamp are bayonet-type.
You remove two plates to get access to the lamp that gives light to the aisle stand. The lamp is a bayonet-type.
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FLIGHT COMPARTMENT ILLUMINATION -FLOODLIGHTS -INTRODUCTION

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FLIGHT COMPARTMENT ILLUMINATION -FLOODLIGHTS -OPERATION

Operation
You use the inner control of the GLARESHIELD PNL/FLOOD light control to adjust the amount of light that comes from the two strip floodlights above the P55 panel. The control is on the passenger signs/lighting panel on the P5 overhead panel.
You use the inner control of the FWD PANEL BRIGHTNESS PNL/ FLOOD light control to adjust the amount of light that comes from the captain’s spot floodlight and the two strip flood lights above the P1 and P2 panels. The control is on the P13 left sidewall panel.
You use the inner control of the FWD PANEL BRIGHTNESS PNL/ FLOOD light control to adjust the amount of light that comes from the first officer’s spot floodlight and the two strip flood lights above the P2 and P3 panels. The control is on the P14 right sidewall panel.
You use the inner control of the AISLE STAND PNL/FLOOD light control to adjust the amount of light that comes from the aisle stand spot floodlight. The control is on the aisle stand brightness control panel on the P8 aft aisle stand panel.
EFFECTIVITY BEJ ALL  33-11-00 
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FLIGHT COMPARTMENT ILLUMINATION -FLOODLIGHTS -OPERATION

EFFECTIVITY BEJ ALL  33-11-00 
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FLIGHT COMPARTMENT ILLUMINATION -FLOODLIGHTS -FUNCTIONAL DESCRIPTION

General
The floodlights have these three modes of operation:
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Normal

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Standby

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Storm.

In the normal mode, the amount of light that comes from the floodlights is adjustable. In the standby mode, the amount of light is not adjustable. In the storm mode, the lights come on fully bright.
Normal Mode
When the left transfer bus has power, the standby relay energizes to the normal position. This connects the floodlight dimmer with the floodlight control. When you rotate the control on the P13 left sidewall panel, it adjusts the position of the wiper. This adjusts the amount of light that comes from the captains floodlights. When you turn the control on the P8 aisle stand brightness panel, it adjusts the position of a wiper. This adjusts the amount of light that comes from the aisle stand floodlight.
Standby Mode
When the left transfer bus does not have power, the standby relay goes to the standby position. When the captain’s flight instruments have power from the standby power system, the lights operate. In this mode, input to the control circuit comes from resistors. For the aisle stand floodlight, the voltage for the light must go through a resistor. The amount of light that comes from the floodlights is not as bright as it is in the fully bright position.
Storm
When you push the storm light switch on the P5 passenger signs/lighting panel, the storm relay energizes. The signal goes to the control circuit in the dimmer to make the lights come on full bright.
　
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