CFM56-7B Low Pressure Turbine Stages 2-4 Seal Segments

Applicable Part Numbers: 338-112-708-0, 338-112-704-0, 338-112-709-0, 338-112-706-0, 338-121-602-0, 338-112-707-0, 338-112-705-0, 338-112-803-0, 338-112-805-0, 338-112-804-0

ATA: 72-54-12


  • Clean, NDT, Inspect
  • Repair 001: Repair of the Honeycomb Liner on the Stage 2-4 Seal Segments
  • Repair 001-A: Replacement of the Honeycomb Liner on the Stage 3-4 Seal Segments
  • Repair 003: Repair of Cracks by Filler Welding Stage 2-4 Seals
  • Repair 004: Replacement of the Anti-Rotation Lock on LPT Stage 4 Air Seal Segments
  • Repair 008: Replacement of the Anti-Rotation Lock on the Seal Air Seal Segment Stages 2 and 3
  • Repair 009: Weld Build Up of the Anti-Rotation Slot on the Outer Stationary Air Seal Stage 2 and 3
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