2. Corrosion Prevention
A. Make regular checks of the nacelle strut skins for corrosion under the
fiberglass heat shields. Refer to SB 54-0022 for more details.
B. Corrosion may occur on the lug which holds the strut to wing fitting bush-ings. PRR 54530-78 provides for larger diameter bushings in strut to wing
fittings. Refer to SB 757-54-0026 for more details.
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LEFT STRUT SHOWN
RIGHT STRUT OPPOSITE
Nacelle Strut
Figure 1
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CORROSION PREVENTION MANUAL
CHAPTER
55
STABILIZERS
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CORROSION PREVENTION MANUAL FUSELAGE -SECTION 46
AREA PROBLEM INDEX PREVENTION VOLUME 2 REWORK VOLUM E 3 TERMINATING ACTION (IF ANY)
Horizontal Stabilizers Corrosion of the skin, spars, trailing edge beam and center sec-tion 55-10-01 55-10-01
Elevator Corrosion of aluminum collars at bolts between ribs and spars 55-20-01 SB 55-0009
Vertical Stabilizers Corrosion of the skin, spars, torque boxes and leading edge inte-rior surfaces 55-30-01 55-30-01
Rudder Corrosion of aluminum collars at bolts between ribs and spars 55-40-01 SB 55-0009
SPECIFIC CORROSION PROBLEMS Figure 1 -STABILIZERS
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CORROSION PREVENTIONMANUAL
HORIZONTAL STABILIZER
1. General
A. Areas of possible corrosion are the auxiliary, front, and rear spars, trail-ing edge beam, and inspar skin.
2. Corrosion Prevention
A. Make periodic inspections (Ref Volume 1, 20-20-00) of the stabilizer struc-ture for corrosion and to make sure that the protective finishes stay ser-viceable.
B. If you find corrosion (bulges of the skin, or white deposits of corrosion
products at fastener heads or joint edges) refer to Structural Repair Manual
for corrosion removal.
C. For minor corrosion, to reduce the downtime of the airplane, clean off the 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 防腐手册 CORROSION PREVENTION MANUAL(46)
