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February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 1 Fan Disk Repair February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 2 Fan Disk Repair Slot machined February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 3 Rework Overview Before Reworked New Shim Rework Definition: • Slot = 0.017 inch machined • Addition of shims coated with Molydag Varnish • New spacer geometry to fit the machined slot, and new shim New Spacer Fan Disk Repair February 2002 WTT face to face CFMI / Boeing Proprietary Information - Unauthorized Disclosure, Use, or Export are Prohibited 4 • Rework Validation Plan Fan disk rework late compared to scheduled plan due to certification / validation efforts Rework documents approved by the agencies in Dec 2001 First rework site validation – Machining process and toolings Complete – 3D measurement tooling available Complete – First disk machined and inspected Feb 02 – Shim and spacer parts available Mar 02 First rework source operational early 2Q 2002 Fan Disk Repair |
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