Accessory Compartments - Locations
 Figure 001
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 Avionics Compartments - Typical Layout
 Figure 002
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 B. Landing Gear
 (1) Landing Gear Wells
 (a)
 The nose landing-gear well is between FR9 and FR20.

 (b)
 The main landing-gear well is between FR42 and FR46.

 C. Equipment Compartments (Ref. Fig. 003, 004)
 (1) Compartment Locations
 (a)
 The AFT cabin underfloor-compartment is between FR65 and FR70, in the areas of Zones 171/172, (AFT of the bulk cargo compartment). The compartment is in the pressurized area and has insulation blankets. Access to the compartment is through the access panels 161DW and 162DW. A catwalk is installed in the compartment for maintenance and access to the equipment rack. The compartment contains:

 -the air outflow valve 10HL (Ref. 21-31-00),
 -system service lines for the air conditioning, lavatory, galley ventilation, and waste water.
 -fuel lines for the Auxiliary Power Unit (APU).

 (b)
 The horizontal and vertical-stabilizer attachment area is between FR70 and FR78, in the areas of Zones 311/312. It is external to the pressurized area. Access to the compartment is through the access panels 311AL and 312AR. A catwalk is installed in the compartment for maintenance access. The compartment contains:

 -attachments for the horizontal and vertical stabilizer (Ref. 53-56-00),
 -components for the flight control trim system (Ref. 27-40-00),
 -
the Digital Flight Data Recorder (DFDR) and the underwater locator beacon (attached to the DFDR) (Ref. 31-33-00),

 -
the cockpit voice recorder (CVR) (Ref. 23-71-00).

 (c)
 The tail-cone APU air-intake area is between FR78 and FR80, in the areas of Zones 313/314. It is external to the pressurized area. Access to the compartment is through the access panel 314AR. The compartment contains the APU system components (Ref. 49-00-00).

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 Equipment Compartment - Zones 171/172
 Figure 003
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 Equipment Compartment - Zones 311/312 and 313/314
 Figure 004
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 AVIONICS COMPARTMENT - DESCRIPTION AND OPERATION
________________________________________________
 1. General
_______
 The avionics compartment is located in the underfloor nose section between
 Frames 1 and 24.
 Its structure is as follows:

 -
Frames 1 to 9: the avionics compartment forward part, forward of the nose landing gear well, under the cockpit.

 -
Frames 0 to 20, R side and L side: the avionics compartment lateral left and lateral right parts, on each side of the nose gear well, under the cockpit and the forward passenger compartment.

 -
Frames 20 to 24: the avionics compartment aft part, aft of the nose gear

 well, under the forward passenger compartment.
 The total capacity of the ventilated racks is 415 MCU.
 Each part is fitted with a door allowing access from the outside.
 An access panel in the aft part of the avionics compartment allows
 communication with the passenger compartment.

 2. TITLE OF GENERATED PARAGRAPH MISSING
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 3. Component Location
__________________
 (Ref. Fig. 001)

 -------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
 -------------------------------------------------------------------------------70VU ANN LT TEST UNIT 80VU AFT ELECTRONICS RACK 90VU FWD ELECTRONICS RACK
 103VU RELAY BOX
 106VU POWER CENTER-AC/DC EMERGENCY
 107VU CONTACTOR BOX
 109VU SHELF-WEATHER RADAR

 4. TITLE OF GENERATED PARAGRAPH MISSING
____________________________________
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 Avionics Compartment - Component Location.
 Figure 001
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 5. Description___________
　
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