EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL TRAINING MANUAL
COMBUSTION
CHAMBER
BORESCOPE
INSPECTION
Page 112
Sep 03
COMBUSTION SECTION
(ALL) :
Possible defects in the SAC dome area.
The following defects should be assessed with the AMM
serviceability limits :
- Cracks, or tears.
- Erosion.
- Distortion of internal parts.
- Missing material.
- Dirt buildup.
- Burn-through holes.
- Flaking of Thermal Barrier Coating (TBC).
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