B.  Inboard or Outboard Flap Rigging Beam Usage
(1)  
Position flap rigging beam under wing near middle of flap on 0.25 inch wide black stripes. Support beam under nylon pad and nylon rod.

(2)  
Slide beam forward until scale just touches flap trailing edge.

(3)  
Align aft nylon pad notch and forward nylon rod with black stripes.

500 
May 01/98  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  27-09-700 Page 203 

G42328G03072 G03073
Elevator Index Plate Rigging Beam  500 
27-09-700  Figure 202  May 01/98 
Page 204 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

500  Trailing Edge Flap Rigging Beam Set 
Sep 20/82  Figure 203 (Sheet 1)  27-09-700 
Page 205 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Trailing Edge Flap Rigging Beam Set  500 
27-09-700  Figure 203 (Sheet 2)  Sep 20/82 
Page 206 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

FLIGHT CONTROL SURFACE INTERCHANGEABILITY - MAINTENANCE PRACTICES
1.  General
A.  The graphite/epoxy control surfaces, aileron, aileron tab, elevator, elevator tab, rudder, and spoilers are interchangeable with the same aluminum control surface components, except in some cases for attaching hardware.
CAUTION:  THE DIFFERENCE IN WEIGHT MUST BE NOTED AND APPROPRIATE WEIGHT AND BALANCE ENTRIES MADE.
B.  Graphite/composite ailerons and aluminum/fiberglass ailerons are interchangeable only as pairs of the same type. An aluminum/fiberglass aileron on one wing with a graphite/composite aileron on the opposite wing is not a permitted configuration. Refer to 27-11-11 for aileron removal and installation. Make sure the aileron is correctly balanced before installation. Refer to SRM 51-80-1 or 51-81-1 for the appropriate balance limits.
C.  The flight spoilers are completely interchangeable between aluminum construction and graphite/epoxy construction. Refer to 27-61-11 for flight spoiler removal and installation.
D.  The ground spoilers are completely interchangeable between aluminum construction and graphite/epoxy construction. Refer to 27-62-91 for ground spoiler removal and installation.
E.  Aluminum/fiberglass and graphite/composite elevators are interchangeable only as pairs of the same type. An aluminum/fiberglass elevator on one horizontal stabilizer with a graphite/composite elevator on the opposite horizontal stabilizer is not a permitted configuration. Refer to 27-31-11 and 27-31-12 for elevator removal and installation. Make sure elevators are correctly balanced before installation. Refer to SRM 51-80-4 and 51-81-4 for the appropriate balance limits.
F.  The rudder is interchangeable between aluminum/fiberglass and graphite/composite. Refer to 27-21-11 and 27-21-12 for rudder removal and installation. Make sure the rudder is correctly balanced before installation. Refer to SRM 51-80-7 and 51-81-7 for the appropriate balance limits.
500 
May 01/99  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  27-09-800 Page 201 

2.  Rudder Interchangeability
A.  Airplanes with Graphite Rudder - Installing Aluminum Rudder
(1)  
Remove graphite rudder (Ref 27-21-12).

(a)  Retain all attaching hardware for subsequent use.

(2)  
Prepare aluminum rudder for installation (Ref 27-21-11).

(3)  
Install aluminum rudder (Ref 27-21-11).

(a)  
Attach rudder with previously removed hardware.

(b)  
Modify fin for upper balance weight seal installation (Ref drawing 65-48245 and  Fig. 201).

(c)  
Complete installation of rudder (Ref 27-21-11).

G42331
 Rudder Installation  500 
27-09-800 Page 202  Figure 201 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Oct 20/90 

B.  Airplanes with Aluminum Rudder - Installing Graphite Rudder
(1)  
Remove aluminum rudder (Ref 27-21-11)

(a)  Retain all attaching hardware for subsequent use.

(2)  
Prepare graphite rudder for Installation (Ref 27-21-12)

(3)  
Install graphite rudder

(a)  
Install and tighten hinge bolts at rudder hinges No. 1, 7, 3 and 6 in that order (Ref 27-21-22, R/I). Use attaching hardware from previously removed aluminum rudder. Tighten No. 1 hinge bolt 95 to 110 pound-inches, No. 3, 6 and 7 hinge bolt 60 to 85 pound-inches. Ensure bonding jumper is installed at rudder hinges No. 3 and 7.
　
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