CFM CFM56-2 - Inspection of DAC Outer Liner; Inspection of DAC Inner Liner

EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL TRAINING MANUAL
COMBUSTION
CHAMBER
BORESCOPE
INSPECTION
Page 118
Sep 03
COMBUSTION SECTION
(-5B, -7B) :
Inspection of DAC outer liner.
The outer liner has a dome band and 4 panels.
Panel 1 features 2 igniter holes (with ferrules), and small
dilution holes.
Panel 2 features 5 borescope holes and 2 small dilution
holes near the igniters.
Inspection of DAC inner liner.
The inner liner has a dome band and 4 panels.
Panel 2 features small dilution holes.
There are many lm cooling holes under the overhang
between each panel of the inner and outer liners.
Both inner and outer liners have a thermal barrier coating
(TBC) on their inner surface.
TOC