55-33-21
 ALL  ú ú B01 Page 403 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 RUDDER - DESCRIPTION AND OPERATION
__________________________________
 1.  General_______
 A.  The rudder is hinged from ribs mounted on the aft face of the vertical fin rear spar.
 2.  Rudder Structure________________
 A.  The rudder structure consists of a complete front spar chordwise ribs and skin panels (Fig. 1.) The rudder has hinge fittings forward of its front spar. Forward of the rudder front spars are leading edge fairings and nose sections, which are housed within the vertical fin trailing edge fairing. Refer to Chapter 55 of the Structural Repair Manual for skin identification.
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 55-40-00
 ALL  ú ú B01 Page 1 ú Feb 20/84
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
FWL 233.25
HINGE

Rudder Structure
Figure 1

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 55-40-00
 ALL  ú ú B01 Page 2 ú Jun 25/84
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 ATTACH FITTINGS - DESCRIPTION AND OPERATION
___________________________________________
 1.  General_______
 A.  Empennage flight control surface attach fittings are aluminum alloy forgings.
 2.  Horizontal Stabilizer Outboard Sections Attach Fittings_______________________________________________________
 A.  The fittings on which the horizontal stabilizer outboard sections are mounted to the center section truss are at the inboard ends of the outboard sections front and rear spars and at the outboard ends of the center section truss front and rear spars.
 3.  Horozontal Stabilizer Center Section Truss Attach Fittings__________________________________________________________
 A.  The fittings incorporating the hinges on which the center section truss pivots are mounted on the aft face of the truss rear spar and the bulkhead at body station 1156.
 4.  Elevator Attach Fittings________________________
 A.  Fittings associated with the elevators include elevator and tab hinge fittings and fittings for the tab actuation mechanisms.
 5.  Vertical Fin Attach Fittings____________________________
 A.  The fittings on which the vertical fin is mounted are at body stations 1016 and 1088 and fin water line 0.
 6.  Rudder Attach Fittings______________________
 A.  The fittings on which the rudder is mounted are attached to ribs extending aft from the rear spar of the vertical fin.
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 ALL  ú ú B01 Page 1 ú Oct 20/83
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.