PW4000 No. 4 Bearing Cover Assembly

Applicable Part Numbers: 51A478-01, 50A191-001, 50A191, 50A655-01

ATA: 72-54-83


  • Clean, NDT, Inspect
  • Repair 001: Helical Coil Insert Repair
  • Repair 002: Damaged Thread Holes Plug Weld Repair
  • SB 72-385: Modification to include jackscrew holes
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