EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL TRAINING MANUAL
LOW PRESSURE
TURBINE
BORESCOPE
INSPECTION
Page 154
Sep 03
LOW PRESSURE TURBINE (LPT)
(ALL) :
Possible defects on last stage blades.
In addition to the regular defects previously described,
the following can also be found on the last stage blades:
- No more axial preload on the tip shroud assembly.
- Tip shroud interlock wear.
- Wear on the lateral faces of the tip shroud.
- Tip shroud not ush.
- Peeling airfoil surfaces on leading and trailing
edges.
- Tip shrouds unlatched.
- Tip shrouds shingled.
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