(3)On airplanes line number 720 and on, PRR 54530-155 added a phenolic
block and BMS 5-95 sealant on end of galley gutter (STA 1716.30). Refer
to Rapid Revision RR 92024-28 for more details.
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FUSELAGE -SECTION 46
FUSELAGE SECTION
STRAP AND FRAME
FRAME AND SHEAR TIE
Crown Frames, Stringers and Skin
Figure 1
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PLAN VIEW
PLUNGER TYPE DRAIN VALVE LEAF SPRING TYPE DRAIN VALVE
DETAIL I
PLUNGER TYPE DRAIN VALVE LEAF SPRING TYPE DRAIN VALVE
DETAIL II
NOT INSTALLED ON ALL AIRPLANES
Section 46 External Drains
Figure 1
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DETAIL I
SECTION A-A
APPLYBMS 3-23, TYPE II TO ALL STRUCTUREWITHIN2 INCHESOF, ANDINCLUDINGBODYSKIN. OVERSPRAYALLOWED. NO FINISH ALLOWEDON OPEN FACE OF DOOR FRAMESOR SCUFFPLATE. Section 46 Door Openings Figure 1 SECTION B-B
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Section 46 Wing to Body Fairing
Figure 1
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CORROSION PREVENTION MANUAL
AFT PRESSURE BULKHEAD
1. General
A. The aft pressure bulkhead at station 1720 consists of web panels with stiff-eners on the forward face. The pressure bulkhead forms the rear of the pres-surized structure of the fuselage. Corrosion protection for the aft pressure
bulkhead consists of chromic acid anodize surface treatment, a coat of BMS
10-11, type I, primer and, on the pressurized side, a coat of BMS 10-11,
type II, enamel. All structure attached to the pressure bulkhead web is fay
sealed with BMS 5-95. All fasteners that penetrate the bulkhead break ring
are installed with wet sealant and are fillet sealed on the aft face of the
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