CFM CFM56-2 - Page 52

EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL TRAINING MANUAL
REQUIREMENTS
BORESCOPE INSPECTION
Page 51
Sep 03
ENGINE
LOCATION
PORT No.
PORT SIZE
(MM)
WRENCH
SIZE
AREAS VIEWED
WITHOUT MOTORING TIME TO
REACH
-2/-3/-5A -5B/-5C -7B 100°F(38°C) 200°F(93°C)
COMBUSTION
CASE
S10 S10 S10 10 MM 1 1/4 HEX COMBUSTOR 3.5 hrs 2.0 hrs
HPT NOZZLE L/E & T/E 4.5 hrs 3.0 hrs
S11 S11 S11 10 MM 1 1/4 HEX HPT BLADE L/E 4.5 hrs 3.0 hrs
HPT SHROUD 4.5 hrs 3.0 hrs
S12 S12 S12 10 MM 7/8 HEX COMBUSTOR 3.5 hrs 2.0 hrs
S13 S13 S13 10 MM 7/8 HEX COMBUSTOR 3.5 hrs 2.0 hrs
S14 S14 S14 10 MM 7/8 HEX AND
S15 S15 S15 10 MM 7/8 HEX HPT NOZZLE L/E 4.5 hrs 3.0 hrs
S17 S16 S16 8 MM 7/8 HEX HPT BLADES T/E 4.5 hrs 3.0 hrs
S18 S17 S17 8 MM 7/8 HEX LPT STAGE 1 L/E 4.5 hrs 3.0 hrs
LPT CASE
S20 S18 S18 10 MM 9/16 HEX STAGE 1 T/E 4.5 hrs 3.0 hrs
STAGE 2 L/E 4.5 hrs 3.0 hrs
S21 S19 S19 10 MM 9/16 HEX STAGE 2 T/E
STAGE 3 L/E 4.5 hrs 2.0 hrs
S22 S20 S20 10 MM 9/16 HEX STAGE 3 T/E
STAGE 4 L/E 4.5 hrs 2.0 hrs
-5C ONLY
-- S21 -- 10 MM 9/16 HEX STAGE 4 T/E 4.5 hrs 2.0 hrs
STAGE 5 L/E
4.5 hrs 2.0 hrs
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