A

Landing Gear Support Beam Wear Limits
Figure 601 (Sheet 2)

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 57-15-00
 ALL  ú ú B01 Page 603 ú Nov 15/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

Landing Gear Support Beam Wear Limits
Figure 601 (Sheet 3)

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 737-300/500 ú 57-15-00
 ú ú B01 Page 604 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

Landing Gear Support Beam Wear Limits
Figure 602

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 57-15-00
 ú ú B01 Page 605 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L11429
 1.
2.

3.

4.

A
737-300/400/500MAINTENANCE MANUAL
 AUXILIARY STRUCTURE - DESCRIPTION AND OPERATION
_______________________________________________
General
_______
 A.  The auxiliary structure consists of those structural wing components which are outside the main frame. Therefore, the auxiliary structures are the leading edge, the trailing edge, the wing tip and the flight controls. The structural composition of the flight controls is described in 57-50-00.
Leading Edge Structure
______________________
 A.  The leading edge structure (Fig. 1) in the area of the flaps consists generally of a series of flanged ribs attached to the upper forward face of the wing front spar, each rib being additionally supported by a short tubular brace between the lower side of its forward end and the lower forward face of the wing front spar. The upper edges of the ribs carry the leading edge skin. The skin is made up of a composite fiberglass and Kevlar material. The flap hinges are attached to the forward ends of the ribs.
 B.  The leading edge structure (Fig. 2) in the area of the slats consists of slat guides and actuators supported between pairs of flanged ribs mounted on the forward face of the wing front spar web. The skin is made up of a composite fiberglass and kevlar material.
Trailing Edge Structure
_______________________
 A.  The trailing edge structure consists of brackets and stabilizers cantilevered aft of the wing rear spar. Certain of the brackets within this structure, serve to support the hinge fittings for the ailerons.
 B.  The tracks carrying the inboard and outboard trailing edge flaps are described in 57-42-00.
 C.  The spoilers are supported by brackets extending aft from the aft faces
 of the rear spar and the landing gear support beam.Wing Tip Structure
__________________
 A.  The left and right wing tips are similar in structure. The wing tip consists of the structure outboard from the tank end rib and outboard from the leading edge and the aileron (Fig. 3).
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 57-20-00
 ALL  ú ú B01 Page 1 ú Jun 25/85
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL 
SEE  A 
SEE  C SEE  B  FWD 
SEE  D  INBD 
FRONT SPAR
90.00 LE STA 
126.00 LE STA118.47 LE STA  149.00 LE STA 139.00 LE STA  162.00 LE STA  176.00 LE STA 
219.00 LE STA 208.00 LE STA 199.50 LE STA 189.50 LE STA  FWD INBD 
A INBOARD FIXED  12.00 SLAT STA3.85 SLAT STA 
Figure 1 (Sheet 1) Wing Leading Edge Structure 

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