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时间:2011-04-03 11:38来源:蓝天飞行翻译 作者:航空
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 B.  
Equipment Compartments Exterior Doors

 (1)  
The equipment compartment external doors (Fig. 1) are large hinged doors for personnel to enter the compartment from outside the airplane.

 (2)  
These compartment doors are on the airplane:

 (a)  
Air conditioning access doors (Ref. 52-48-11)

 (b)  
APU access door (Ref. 52-48-21)

 (c)  
Forward access door (Ref. 52-48-31)

 (d)  
Electronic equipment compartment external access door (Ref. 52-48-41).

 C.  
Miscellaneous External Service Doors (Ref. 52-49-00)

 (1)  
The miscellaneous external service doors (Fig. 1) are small external doors which give access for servicing the systems on the airplane.

 (2)  
These service doors are on the airplane:

 (a)  
Aft toilet service door

 (b)  
CSD oil reservoir sight gauge access door

 (c)  
Engine oil tank access door

 (d)  
External power receptacle door

 (e)  
Forward toilet service door

 (f)  
Ground air conditioning access door

 (g)  
Oxygen system charging panel door


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 52-00-00
 ALL  ú ú B02 Page 4 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 6.
7.

8.


A
737-300/400/500MAINTENANCE MANUAL
 (h)  
Pressure fueling station access door

 (i)  
Section 48 access and blowout door

 (j)  
Tire burst protector screen doors (if installed)

 (k)  
Water service door

 (l)
Hydraulic system service door.Fixed Interior Doors (Ref. 52-50-00)


____________________
 A.  Control Cabin Door
 (1)  
The control cabin door gives access from the passenger cabin to the control cabin (Fig. 1).

 B.  
Lavatory Doors

 (1)  
The lavatories doors are similar to the control cabin door (Fig. 1). The doors open outward and have locks which can be overriden from outside the compartment in an emergency.


Entrance Stairs
_______________
 A.  Forward Airstair (Ref. 52-61-00)
 (1)  
The forward airstair is located at the forward passenger/crew entry door and can be operated from inside or outside the airplane. When extended, the airstair forms a stairway for passengers and crew to enter or leave the airplane. The forward entry door can be opened and closed without extending or retracting the forward airstair. The airstair can be extended by normal or standby electrical power.

 (2)  
When the airstair is retracted, the airstair folds and telescopes, and is stowed in a compartment immediately below the forward entry door. The compartment is closed by the airstair door which fairs with the fuselage contour. The airstair door is included in the door warning system. For additional information on the forward airstair, refer to 52-61-00, D&0.


Door Warning System (Ref. 52-71-00)
___________________
 A.  The door warning system is an electrical circuit which provides the flight crew with a visual warning if certain doors are open or not latched.
 B.  Door Warning Lights
 (1)  
The warning lights are mounted on the P5-20 Door Warning Module located on the overhead panel.

 (2)  
Each warning light has an illuminated legend that shows the door served by the warning light.


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 52-00-00
 ALL  ú ú B03 Page 5 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 C. Miscellaneous Switching Module
 (1)  The miscellaneous switching module evaluates the signals from the door sensors and controls the annunciator lights in the control cabin.
 9. Landing Gear Doors
__________________
 A. Main Gear Doors (Ref. 32-13-00)
 (1)
The door for the main landing gear has three parts (Fig. 1):
 
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