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panel to cover the fasteners. The upper edge slides into the air
outlet extrusion.
Ceiling Panels
Ceiling panels line the ceiling over the passenger compartment
aisle. The panels are crushed-core composite with a decorative
stain-resistant covering on the inboard surface.
Two hinges support the panel on the outboard edge. The
inboard edge fits in a groove on the air outlet extrusion. A
lanyard on the inboard edge prevents the panel from swinging
fully open.
Lowered Ceiling Panels
There are lowered ceiling in these areas:
* Entry areas
* Galleys
* Lavatories.
The lowered ceiling panels provide space for lights, service
units, and galley vents. Some panels have hinges for access to
these furnishings.
Curved ceiling panels and transition panels in lowered ceiling
areas allow contours to blend with ceiling panels in the
passenger seating area.
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - LINING AND INSULATION
EFFECTIVITY
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
25-20-00-002
Insulation
Fiberglass insulation blankets are between the linings and
fuselage skin throughout the passenger compartment. The
insulation thermally and acoustically insulates the passenger
compartment. The blankets have a waterproof covering and
their installation in a shingled configuration prevents
condensation from leaking into the compartment.
Snaps, tape, and stitching secure the blankets to the fuselage
and attach overlapping blankets.
Training Information Point
Be careful not to damage the insulation blanket surfaces. Holes
in the blanket will allow water into the fiber center. The water
will reduce the blanket efficiency, increase weight, and can
cause mold problems.
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - LINING AND INSULATION
EFFECTIVITY
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
25-20-00-002
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - LINING AND INSULATION
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - LINING AND INSULATION
EFFECTIVITY
SHZ ALL 25-20-00
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
25-20-00-002
Purpose
The inner window protects the window from scratches and
prevents window fogging.
Physical Description
The inner window on the sidewall panels has these parts:
* Inner pane
* Trim ring
* Reveal
* Shade
* Rubber seal
* Bracket
* Latch.
The inner window on the emergency exit door has these parts:
* Inner pane
* Trim ring
* Reveal
* Shade
* Spacer ring
* Handle.
The inner pane is clear plastic. The inner pane is between the
reveal and trim ring.
A shade is over each passenger window. Roll shades are over
the windows in the emergency exit hatches. Slide shades are
over the other windows.
A rubber seal prevents dust from the window assembly.
The window brackets and latch secure the window assembly to
the sidewall panel.
Training Information Point
To remove the inner window on the sidewall panels, insert a
skin wedge under the lower edge of the window in the corner.
NOTE: Be careful to not let the rubber seal catch on the latch
when you remove the window assembly.
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - INNER WINDOWS
EFFECTIVITY
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
25-20-00-003
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - INNER WINDOWS
EQUIPMENT/FURNISHINGS - PASSENGER COMPARTMENT - INNER WINDOWS
EFFECTIVITY
SHZ ALL 25-20-00
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
25-20-00-003
Purpose
The air return grilles are part of the passenger cabin ventilation.
The air return grilles let air move from the upper lobe to the
lower lobe for these reasons:
* Normal conditioned air circulation
* Air circulation during rapid decompression.
Physical Description
Air return grilles have these main parts:
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