EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL TRAINING MANUAL
HIGH PRESSURE
COMPRESSOR
BORESCOPE
INSPECTION
Page 100
Sep 03
HIGH PRESSURE COMPRESSOR (HPC)
(ALL) :
Possible defects:
When the HPC blades are inspected, the following
defects should be evaluated with the AMM serviceability
limits :
- Cracks, or tears.
- Nicks and scratches.
- Dents.
- Erosion.
- Tip curl.
- Pits.
- Distortion of leading and/or trailing edges.
- Missing material.
- Dirt buildup.
- Cracks in blade locking lugs.
- Missing, or loose locking lugs.