S 016-005

 (3)  
Do the Remove the Wing Leading Edge Duct procedure to remove the necessary pneumatic ducts for access (AMM 36-11-01/401).

 S 036-004

 (4)  
Remove the wire bundle clamps as necessary.

 S 026-003

 (5)  
Remove the applicable dry bay access panel or nut on the dry bay access panel, if installed, in the subsequent table to get access to the left or right dry bays (Fig. 601).

 NOTE:____Each access panel is installed with BMS 5-95 sealant. The sealant is put over parting adjent on the front spar to permit removal of the panels.
 DRY BAY ACCESS PANEL____________________ DRY BAY 532GZ 1 (LEFT) 532EZ 2 (LEFT) 532CZ 3 (LEFT) 532AZ 4 (LEFT) 632GZ 1 (RIGHT) 632EZ 2 (RIGHT) 632CZ 3 (RIGHT) 632AZ 4 (RIGHT)
 S 296-004
 (6)  
Insert the borescope through the applicable access hole to inspect for leaks.

 S 796-005

 (7)  
If there is a leak into the dry bay area repair the leak as shown in AMM 28-11-00/801.

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 28-11-07
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A

757
MAINTENANCE MANUAL

 S 726-003
 (8)  
An additional test to check drain path of the No. 1 dry bay follows:

 (a)  
Remove the access door 532GZ or 632GZ for the No. 1 dry bay.

 (b)  
Pour 8 to 10 ounces (500 ml) of clean water into the No. 1 dry bay, between the lower stringer 13 and the front spar.

 (c)  
If the water does not drain from the forward drain hole of the No. 3 dry bay, the drain path for dry bay No. 1 is blocked.

 (d)  
If the water drains from the drain hole in the No. 2 dry bay, there is water leakage from under the moisture dam.

 (e)  
If the water drains from the aft drain hole of the No. 3 dry bay, the groove under the No. 12 lower stringer (in dry bay No. 3) is not sealed correctly.

 (f)  
If the No. 1 dry bay does not drain correctly, refer to Boeing Service Letter 757-SL-57-5 for more information.

 S 416-006
 (9)  
Apply a new bead of BMS 5-95 sealant to the applicable dry bay access panel on the front spar (AMM 51-31-01/201).

 S 426-007

 (10)
 Install the applicable dry bay access panel or nut on the dry bay access panel.

 S 426-008

 (11)
 Install the fasteners for the applicable dry bay access panel.

 S 416-009

 (12)
 Install the wire bundle support brackets as necessary.
　
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