EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL
TRAINING MANUAL
HIGH PRESSURE
COMPRESSOR
BORESCOPE
INSPECTION
Page 96
Sep 03
HIGH PRESSURE COMPRESSOR (HPC)
Inspection areas:
- The outer third of the rotor blade tip area and the
anti-erosion hard coating on the concave side.
- The squealer tips.
- The stage 1 blade stiffener near the tip of the blade.
- The blade locks on stages 4 to 9, which maintain the
blades in the circumferential slots.
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