PASSENGER COMPARTMENT ILLUMINATION -FUNCTIONAL DESCRIPTION
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BOEING PROPRIETARY -Copyright # -Unpublished Work -See title page for details.
PASSENGER LOADING LIGHTS -INTRODUCTION
General
These are the passenger loading lights subsystems:
*
Direct ceiling lights
*
Standby lights
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Entry lights
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Attendant work lights
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Closet lights
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Attendant switch panel.
The passenger loading lights supply light in the:
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Passenger entry areas
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Attendant work areas
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Cross-aisles
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Closets.
There are two types of direct ceiling lights:
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Fluorescent
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Incandescent.
Location
The possible locations for fluorescent direct ceiling lights are in these lowered ceilings:
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Door 1 cross-aisles
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Door 4 cross-aisles
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Aisle to the flight deck.
The possible locations for incandescent direct ceiling lights are in the door 2 and 3 cross-aisle lowered ceilings.
Controls for fluorescent and incandescent direct ceiling lights are on the cabin lighting screen. This screen is on the cabin system control panel (CSCP) and the cabin area control panel (CACP).
The entry lights are in the overdoor panels above the passenger entry doors. Controls for entry lights are on the entry way lighting screen. This screen is on the cabin system control panel (CSCP) and the cabin area control panels (CACPs).
The attendant work lights are in the overdoor panels and lowered ceilings in areas where there are attendant seats. Control is on the attendant switch panel. These panels are also in areas where there are attendant seats.
The closet lights are in the closets. A control switch is in the closet.
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PASSENGER LOADING LIGHTS -INTRODUCTION
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PASSENGER LOADING LIGHTS -DIRECT CEILING LIGHTS -FLUORESCENT
Purpose
The fluorescent direct ceiling lights give light to aisles.
Location
These are the possible locations in lowered ceiling panels for fluorescent direct ceiling lights:
*
Passenger entry door 1 cross-aisle
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Passenger entry door 4 cross-aisle
*
Aisle to the flight deck.
Controls for fluorescent direct ceiling lights are on the cabin lighting screen. This screen is on the cabin system control panel (CSCP) and the cabin area control panel (CACP).
You use the same screen for the incandescent direct ceiling lights, and the passenger compartment illumination indirect ceiling, sidewall, and night lights.
See the passenger compartment illumination section for more information (SECTION 33-21).
See the cabin services system section for more information about the CSCP/CACP (SECTION 23-39).
Physical Description
Each light assembly has two fluorescent lamps, a ballast, and a lens in a bezel.
Training Information Point
Four holes in the bezel let you use a pin type tool to release the bezel. Four lanyards hold the bezel when it releases from the assembly.
Each light assembly has quick release fasteners for the lamps.
The ballast is an LRU.
A hinged panel in the lowered ceiling panel gives you access to the ballast.
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PASSENGER LOADING LIGHTS -DIRECT CEILING LIGHTS -FLUORESCENT
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PASSENGER LOADING LIGHTS -DIRECT CEILING LIGHTS -INCANDESCENT
Purpose
The incandescent direct ceiling lights give light to cross aisles.
Location
The possible locations for the incandescent direct ceiling lights are in the lowered ceilings in the door 2 and 3 cross-aisles.
Controls for incandescent direct ceiling lights are on the cabin lighting screen. This screen is on the cabin system control panel (CSCP) and the cabin area control panel (CACP).
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