(4)Airplanes  line number 258 and on have a drainage gutter per PRR 59816 in 
the cargo floor, near station 337.5. The gutter is the full width of the 
airplane and has a screened high-flow drain at each end.
(5)On airplanes line number 328 and on, PRR 54313 added BMS 3-26 corrosion 
preventive compound on top of the BMS 3-23 compound in the bilge area 
aft of the forward pressure bulkhead.
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Section 41 Fuselage 
Figure 1 (Sheet 1)
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DETAIL III
Section 41 Fuselage 
Figure 1 (Sheet 2)
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DETAIL IV
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DETAIL V
Section 41 Fuselage 
Figure 1 (Sheet 3)
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CORROSION PREVENTION MANUAL 
SECTION 41 -EXTERNAL DRAINS
DETAIL I 
DETAIL II 
Section 41 External Drains 
Figure 1 (Sheet 1)
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CORROSION PREVENTION MANUAL 
SECTION 41 -EXTERNAL DRAINS
DETAIL III
PLUNGER TYPE DRAIN VALVE 
LEAF SPRING TYPE DRAIN VALVE
LINE NO. 55 AND ON, PLUS AIRPLANES INCORPORATING SB 757-53-0008 DETAIL VI 
Section 41 External Drains 
Figure 1 (Sheet 2)
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FUSELAGE -SECTION 41
DETAIL I 
Section 41 Nose Landing Gear Wheel Well 
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FUSELAGE -SECTION 41
PASSENGER DOOR (TYP) DETAIL I 
SECTION A-A 
APPLY BMS 3-23, TYPE II TO ALL 
STRUCTUREWITHIN 2 INCHES OF, 
AND INCLUDING BODY SKIN. 
OVERSPRAY ALLOWED.
NO FINISH ALLOWED ON OPEN FACE 
OF DOOR FRAMES OR SCUFFPLATE.
SECTION B-B 
Section 41 Door Openings 
Figure 1
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