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757 MAINTENANCE MANUAL
 S 796-167
 (2)  
Find the external leak points.

 (a)  
After the external leak points are found, find the internal leak points with the air pressure and bubble procedure in the task "Leak Detection in the Dry Bay" (above).

 (b)  
Use Fig. 616, View C, to help you find the internal leak points.

 S 796-168
 (3)  
Internal leak points for this bay are usually found at one of these locations:

 (a)  
At the edge of the dry bay two access door, or at one of the door attachment fasteners.

 (b)  
At a fillet seal common to the upper or lower chord of the inboard or the outboard rib.

 (c)  
At a fillet seal common to the upper or lower wing skin and the forward or aft side of a stringer.

 (d)  
At a fillet seal common to a rib web and the mating rib upper or lower chord.

 H.
Dry Bay Three Aft Side (View D, Fig. 616)

 S 016-169
 (1)  
Internal access to the aft side of dry bay three is through access door 541AB or 641AB.

 S 016-171

 (2)  
Internal access to the outboard side of dry bay three is through access door 541BB or 641BB.

 S 016-170

 (3)  
Internal access to the inboard side of dry bay three is through access door 531CB or 631CB.

 S 806-172

 (4)  
Note that dry bay three extends further aft than the other dry bays (Fig. 613).

 S 796-173

 (5)  
Find the external leak points.

 (a)  
After the external leak points are found, find the internal leak points with the air pressure and bubble procedure found in the task: "Leak Detection in the Dry Bay" (above).

 (b)  
Use Fig. 616, View D, to help to find the internal leak points.

 S 796-174
 (6)  
The internal leak points are usually found at one of these
 locations:

 (a)  
At the edge of the dry bay three access door, or at one of the door attachment fasteners.

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 28-11-00
 ALL  ú ú 01 Page 655 ú May 28/00

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757 MAINTENANCE MANUAL
 (b)  
At a fillet seal common to the upper or lower chord of the inboard or the outboard rib.

 (c)  
At a fillet seal common to the upper or lower wing skin and the forward or aft side of a stringer.
　
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