A 737-300/400/500MAINTENANCE MANUAL
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 R = REVISED, A = ADDED OR D = DELETED CHAPTER 55 F = FOLDOUT PAGE EFFECTIVE PAGES 17 B PAGE 1 JUL 12/02 LAST PAGE
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 CHAPTER 55 - STABILIZERS
 TABLE OF CONTENTS
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 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 STABILIZERS 55-00-00
___________ Description and Operation 1 ALL RUDDER, ELEVATOR AND HORIZONTAL 55-00-01 STABILIZERS Inspection/Check 601 ALL
 HORIZONTAL STABILIZER 55-10-00
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 Description and Operation 1 ALL
 General 1
 Stabilizer structure 1
 THRUST BRACE LINKS 55-10-10

 Removal/Installation 401 ALL
 ELEVATOR 55-20-00
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 Description and Operation 1 ALL
 General 1
 Elevators Elevator Control Tabs 1

 VERTICAL STABILIZER (FIN) 55-30-00
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 Description and Operation 1 ALL
 General 1
 Vertical Fin Structure 1

 Removal/Installation 401 ALL
 Inspection/Check 601 ALL
 DORSAL FIN 55-32-11
 Removal/Installation 401 ALL
 VERTICAL STABILIZER (FIN) 55-33-11
 LEADING EDGE
 Removal/Installation 401 ALL
 VERTICAL STABILIZER (FIN) TIP 55-33-21
 Removal/Installation 401 ALL

 RUDDER 55-40-00
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 Description and Operation 1 ALL
 General 1
 Rudder Structure 1

 55-CONTENTS

 BBEJ Page 1 Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 CHAPTER 55 - STABILIZERS
 TABLE OF CONTENTS_________________
 Subject_______  Chapter SectionSubject_______  Page____  Effectivity___________
 ATTACH FITTINGS_______________ Description and Operation General Horizontal Stabilizer Outboard Section Attach Fitting Horizontal Center Section Truss Attach Fitting Elevator Attach Fitting Rudder Attach Fitting 55-50-00 1 11 ALL

 55-CONTENTS

 BBEJ Page 2 Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 STABILIZERS - DESCRIPTION AND OPERATION
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 1.  General_______
 A.  The stabilizers comprise the empennage of the airplane and consist of a vertical stabilizer (fin), and a horizontal stabilizer (Fig. 1). The vertical fin, a structure composed of front and rear spars with interconnecting ribs and skin, is attached to the fuselage. The left and right horizontal stabilizer outboard sections are attached to an adjustable center section truss located within the fuselage. The movable center section pivots on two hinge joints attached to a bulkhead in the fuselage and is operated by a jackscrew mounted at the front spar. Each horizontal outboard section consists of two spars with interconnecting ribs and skin forming a torsion and bending structure. A rudder is hinged from the vertical fin and elevators are hinged from the horizontal stabilizer. A dorsal fin fairs in the fuselage and the vertical fin.
Empennage
Figure 1

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 55-00-00
 ALL  ú ú B01 Page 1 ú Oct 20/83
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 RUDDER, ELEVATOR AND HORIZONTAL STABILIZERS - INSPECTION/CHECK
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 1.  General
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 A.  This procedure has one task. The task gives instructions to do a visual inspection of the elevator spars and ribs, rudder spars and ribs, rudder mast fittings and internal backup fittings, mass balance weights including tip weight, and adjustable weights and weight support structure within the internal area of the rudder, elevator, and the horizontal stabilizers.
 TASK 55-00-01-206-001-B00
 2.  Examine the Composite Flight Controls
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 A.  References
 (1)  
AMM 27-21-00/201 Remove the Pressure - Rudder Hydraulic Systems A & B

 (2)  
　
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