COMPARTMENT
 Maintenance Practices 201 ALL
 CARGO TRACKS 53-44-01

 Cleaning/Painting 701 ALL
 CABIN 53-45-00

 53-CONTENTS
 GUN Page 4 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CHAPTER 53 - FUSELAGE
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 CENTER OVERHEAD STOWAGE BIN 53-45-01
 SUPPORT TIE ROD
 Removal/Installation 401 ALL
 LANDING GEAR ATTACH FITTINGS 53-46-00

 Description and Operation 1 ALL General 1 Body Main 1 Nose 1 Wing Main 1
 AERODYNAMIC FAIRINGS 53-50-00
____________________
 Description and Operation 1 ALL
 General 1
 Dorsal Fin 1
 Nose Radome 1
 Tail Cone Fairing 1
 Wing-to-Body Fairings 1

 FAIRINGS - WING-TO-BODY 53-51-00
 Description and Operation 1 ALL
 General 1

 FAIRINGS - WING-TO-BODY 53-51-01 Removal/Installation 401 ALL Adjustment/Test 501 ALL Cleaning/Painting 701 ALL
 NOSE RADOME 53-52-00
 Description and Operation 1 ALL
 General 1

 NOSE RADOME 53-52-01 Maintenance Practices 201 ALL Inspection/Check 601 ALL Cleaning/Painting 701 ALL
 NOSE RADOME SNUBBER 53-52-03 Removal/Installation 401 ALL STRIPS - LIGHTNING DIVERTER 53-52-04 Maintenance Practices 201 ALL
 53-CONTENTS
 GUN Page 5 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 1.
2.

3.

4.

A
747-400 MAINTENANCE MANUAL
 FUSELAGE STRUCTURE - DESCRIPTION AND OPERATION
______________________________________________
General (Fig. 1)
_______
 A.  The fuselage is a semimonocoque structure consisting of skin reinforced by circumferential frames and longitudinal stringers. The fuselage is manufactured in five sections and connected by production breaks or manufacturing breaks to form a complete integral surface.
 B.  The forward four sections form the pressurized shell of the fuselage
 and enclose all passenger, crew, and cargo accommodations.Fuselage Main Frame
___________________
 A.  The main frame consists of the internal structure that gives the fuselage its shape. It includes the longitudinal stringers and the circumferential frames, but not the skin (Ref 53-10-00).
Fuselage Nose Section
_____________________
 A.  The nose section, section 41, comprises the forward end of the fuselage aft to station 520. It contains three decks: the main deck, the upper deck, and the lower lobe deck.
 B.  A fiberglass honeycomb radome forms the forward end of the nose section forward of station 134.12 and houses weather radar and navigational equipment.
 C.  Structural openings contained in Section 41 nose section include the nose cargo door, the flight compartment windows, crew compartment overhead hatch, crew entry door in the upper deck on the right, upper deck passenger windows, one observation window on the left, one main deck entry door on the left, the forward electronic bay external access door and the nose landing gear wheel well.
Fuselage Center Section
_______________________
 A.  The fuselage center section consists of sections 42, 44, and 46. These sections constitute the majority of the passenger and cargo carrying area.
 B.  Section 42 extends from station 520 to station 1000. It contains an upper deck, main deck, and lower lobe. The lower lobe contains the forward cargo compartment. The forward end of the wing-to-body fairing is attached to the lower lobe of section 42. Structural openings contained in section 42 are the two observation windows, one on the left and one on the right, cargo compartment door, and a center electronic bay access door.
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 53-00-00
 ALL  ú ú 04 Page 1 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

FUSELAGE SECTION (EXAMPLE)
A-A

Fuselage Structure
Figure 1

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