(7)  
Wing Upper Surface Access Doors and Panels (Ref 12-31-71)

(8)  
Elevator and Stabilizer Access Doors and Panels (Ref 12-31-81)

(9)  
Nacelle and Engine-to-Wing Access Doors and Panels (Ref 12-31-91)

(10)
Interior Access Doors and Panels

(a)  Passenger cabin floor panel locations are shown on the following Boeing drawings: Body Section 41 Floor Panel Installation 65-51268 Body Section 43 Floor Panel Installation 65-46819 Body Section 46 Floor Panel Installation 65-46820
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 Zone Diagram  500 
12-31-0  Figure 201 (Sheet 1)  Jun 20/84 
Page 202 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

ZONE DESCRIPTION
ZONE ZONE DESCRIPTION
09  AIRPLANE EXTERIOR 
10  BELOW FLOOR 
11  Lower Nose Compartment 
12  Electronic Compartment 
13  Forward Cargo Compartment 
14  Air Conditioning Distribution Bay 
15  Aft Cargo Compartment 
16  Forward Stairs and Fairing Door 
20  ABOVE FLOOR 
21  Control Cabin -Left 
22  Control Cabin -Right 
24  Passenger Cabin 
25  Forward Lavatory -Left 
26  Forward Galley and Windscreen 
27  Aft Lavatory -Left 
28  Aft Lavatory -Right 
29  Aft Galley 
30  UNPRESSURIZED BODY AREAS 
31  Nose Wheel Well 
33  Air Conditioning Compartment -Left 
34  Air Conditioning Compartment -Right 
35  Left Main Wheel Well 
36  Right Main Wheel Well 
37  Tail Cone 
38  APU Compartment 
40  NOSE AND DOORS 
41  Radome 
42  Forward Entry Door 
43  Aft Galley Service Door 
44  Forward Cargo Door 
45  Aft Cargo Door 
46  Aft Entry Door 
47  Forward Galley Service Door 

500  Zone Diagram 
May 15/67  Figure 201 (Sheet 2)  12-31-0 
Page 203 
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ZONE
50  POWER PLANT 
51  Engine No. 1 
52  Engine No. 2 
54  Engine No. 1 Fairing 
55  Engine No. 2 Fairing 
60  WING LEADING EDGE 
62  Left Outboard Wing Leading Edge – Including Slats 
63  Left Inboard Wing Leading Edge – Including Flaps 
64  Right Inboard Wing Leading Edge – Including Flaps 
65  Right Outboard Wing Leading Edge – Including Slats 
70  FUEL TANKS 
71  Left Fuel Vent Surge Tank 
72  Left Fuel Tank 
73  Center Section Fuel Tank 
74  Right Fuel Tank 
75  Right Fuel Vent Surge Tank 
80  WING FLIGHT CONTROLS AND AFT OR REAR SPAR 
81  Left Wing Trailing Edge, Aileron and Control Tab 
82  Left Wing Trailing Edge, Outboard Flap and Spoilers 
84  Left Wing Trailing Edge, Inboard Flap and Spoilers 
85  Right Wing Trailing Edge, Inboard Flap and Spoilers 
87  Right Wing Trailing Edge, Outboard Flap and Spoilers 
88  Right Wing Trailing Edge, Aileron and Control Tab 
90  EMPENNAGE 
91  Left Horizontal Stabilizer 
92  Right Horizontal Stabilizer 
93  Left Elevator and Tab 
94  Right Elevator and Tab 
95  Vertical Fin 
97  Vertical Fin Tip Fairing 
98  Rudder 

12-31-0 Zone Diagram Page 204 Figure 201 (Sheet 3) May 15/67
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
　
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