Fan Rotor Module
**** Hidden Message ***** February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 1<BR>Fan Rotor Module<BR>February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 2<BR>Problem:<BR>• Flaking of dovetail coating on Fan Blades (PN 340-001-022-0); subsequent<BR>wear of blade and disk slot<BR>• ~1500 engines affected<BR>Corrective Actions:<BR>• Periodic fan blade and disk lubrication per CESM005<BR>• Fleet upgrade to the undercut fan blade dovetail geometry<BR> PN 340-001-026 (new) and PN 340-001-027 (reworked) per SB 72-253<BR>Fleet Support:<BR>• Fan blade rotable pool increased to 100 sets since Sept.01<BR>• Three substantiated rework sites (APS, Chem-tronics, SNS StQuentin)<BR>Retrofit Status:<BR>• As of Jan 02, 1st relube on 63%, undercut on 37% of affected fleet<BR>• Steady implementation with current avg. rate ~60 sets/month<BR>Fan Blade Upgrade - Program Status<BR>Fan Rotor Module<BR>February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 3<BR>CFM56-7B FAN PROGRAM IMPLEMENTATION<BR>as of January 02<BR>1489<BR>153<BR>458<BR>504<BR>374<BR>932<BR>116<BR>345 332<BR>139<BR>552<BR>82<BR>202 207<BR>61<BR>0<BR>200<BR>400<BR>600<BR>800<BR>1000<BR>1200<BR>1400<BR>1600<BR>Fleet >5000 3000-5000 1500-3000 <1500<BR>#engines<BR>#engines<BR>1st Rel.<BR>Undercut<BR>ECSN<BR>Fan Rotor Module<BR>February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 4<BR>Fan Blade Hot Re-form Repair<BR>• Repair 15-93392 approved<BR>• Repair site operational since Dec 2001<BR>• One page repair implemented in the Engine Shop Manual<BR> Referenced #007<BR> Current repair requests form tolerance defects defined for production<BR>parts<BR>– To date 15 fan blades over 60 received have been repaired,<BR>and released<BR>• Design office analysis on-going to open form tolerance criteria<BR>Fan Rotor Module<BR>February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 5<BR>Fan Blade Patch Repair<BR>• Patch repair in progress<BR> Patch definition available<BR> Hardware available for validation by Apr 2002<BR> Ingestion, and Vibratory certification tests scheduled<BR>3rd Qtr 2002<BR>• First Source operational in 2003<BR>Fan Rotor Module<BR>February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 6<BR>Blamap: Software for CFM56-7B Fan Blade mapping<BR>• Version 1.1<BR> Improvement on blade pair moment weight test difference<BR> Get rid of “Window 3.11” environment<BR> Delivered in Oct 2001<BR>• Version 2.0<BR> All CFM engine capability<BR> Blamap V 2.0 will be available for Window 95/98/2000/millennium<BR> Target date: 3rd Qtr 2002<BR>• These tool cannot be implemented on a server<BR> Software code is not compatible, would require a complete rework<BR>• Help Guide<BR> Notice to be written to guide airlines, and explain all tool functions<BR>• Implementation of Blamap Tool on the CFM Web under evaluation<BR>Fan Blade BLAMAP Tool Status<BR>Fan Rotor Module 谢谢LZ分享！ :victory: :victory: Fan Rotor Module <h2>e Module IDG Acoustic Pane</h2>
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