航空 发表于 2011-4-22 10:40:51

CFM Fan Frame Module IDG Acoustic Panel

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航空 发表于 2011-4-22 10:41:06

CFM56-7B WTT Meeting - September,26-27/2002 CFM / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 1<BR>IDG Acoustic Panel<BR>Fan Frame Module<BR>CFM56-7B WTT Meeting - September,26-27/2002 CFM / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 2<BR>IDG Acoustic Panel<BR>Background<BR>• Several cases of IDG panel failure on CFM56-7B Engines reported<BR>• Mechanical potting characteristics decrease through temperature and<BR>aging phenomenon<BR>Fan Frame Module<BR>CFM56-7B WTT Meeting - September,26-27/2002 CFM / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 3<BR>IDG Acoustic Panel<BR>Corrective actions<BR> New AMM limits<BR>– 500 cycles Service Extension allowed with panel removed (AMM72-<BR>23-02 Jun, 2001)<BR>– AMM revised in June, 2002<BR> Design improvement<BR>– Upper and inner skins material changed to increase temperature<BR>characteristics : From 120°C to 180°C<BR>– Panel Potting change for better behavior in high temperature<BR>environment conditions : From Minnesota to E3439<BR>– Manufacturing process changed to increase hole edge strength<BR>– SB72-362 approved, and to be issued in October, 2002<BR>– New part implemented on production engines in October, 2002<BR>Fan Frame Module

kinran 发表于 2011-6-4 23:07:27

:victory: :victory:

bocome 发表于 2011-7-31 05:04:50

CFM Fan Frame Module IDG Acoustic Panel

chutiankuo0832 发表于 2011-8-24 22:18:36

<h2>e Module IDG Acoustic Pane</h2>
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