1.PLANNING INFORMATION
A.Effectivity
* * * FOR GEnx-1B54, -1B58, -1B64, -1B67, -1B70
B.Description
This Service Bulletin identifies new spare parts that are interchangeable with the old parts they replace.
C.Compliance
Category 8
Spare Parts Release.
D.Approval
This Service Bulletin contains no modification information that revises the approved configuration and therefore does not require FAA approval.
E.References (Use the latest version of this document)
GEK 112864, GEnx-1B Engine Illustrated Parts Catalog (EIPC)
2.MATERIAL INFORMATION
A.Material - Price and Availability
Old parts will be supplied until inventory is depleted.
NOTE:
Prices can change. For Unit Price or Lead Time, Q = Quote.
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M53G09
(X)
-
(-)
-
HPC Module Assembly, VSV Actuator System
2305M53G09
(X)
 
.2302M68G02
10-180A, 72-30-00
(1)
Q
(-)
Q
Case, Stage 5 Aft
(SIN 080AJ)
.2302M68G01
10-180, 72-30-00
(1)
 
.2302M70G05
10-200A, 72-30-00
(1)
Q
(-)
Q
Case, Stage 5-6 Aft
(SIN 080AM)
.2302M70G02
10-200, 72-30-00
(1)
 
.2302M71G05
10-220A, 72-30-00
(1)
Q
(-)
Q
Case, Stage 6-7 Aft
(SIN 080AR)
.2302M71G02
10-220, 72-30-00
(1)
 
.2302M72G05
10-230A, 72-30-00
(1)
Q
(-)
Q
Case, Stage 7-8 Aft
(SIN 080AS)
.2302M72G02
10-230, 72-30-00
(1)
 
.2302M74G05
10-260A, 72-30-00
(1)
Q
(-)
Q
Case, Stage 8-9 Aft
(SIN 080CS)
.2302M74G02
10-260, 72-30-00
(1)
 
.2364M64G04
10-270A, 72-30-00
(1)
Q
(-)
Q
Case, Stage 9-10
(SIN 080CT)
.2364M64G01
10-270, 72-30-00
(1)
 
This Service Bulletin introduces new stages 5-10 cases to make the assembly easier.
 
CID: 547888
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M56G06
(X)
-
(-)
-
Nozzle Assembly, HPT Stage 2
2305M56G06
(X)
 
.2300M61G11
01-372A, 72-52-00
(41)
Q
(-)
Q
Nozzle, HPT Stage 2
(SIN 174A0)
.2300M61G07
01-372, 72-52-00
(41)
 
.2300M61G07
01-372B, 72-52-00
(ALT)
Q
(-)
Q
Nozzle, HPT Stage 2
(SIN 174A0)
--
(-)
 
.2300M61G12
01-382A, 72-52-00
(1)
Q
(-)
Q
Nozzle, HPT Stage 2
(SIN 174A1)
.2300M61G08
01-382, 72-52-00
(1)
 
.2300M61G08
01-382B, 72-52-00
(ALT)
Q
(-)
Q
Nozzle, HPT Stage 2
(SIN 174A1)
--
(-)
 
This Service Bulletin introduces a new HPT stage 2 nozzle that is manufactured from a different material.
 
CID: 547891
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2376M54G01/G02
(X)
-
(-)
-
Combustor Diffuser Assembly
2376M54G01/G02
(X)
 
.2081M90P03
01-060, 72-41-00
(120)
Q
(-)
Q
Bolt, Shear
(SIN 12024)
.2081M90P03
01-060, 72-41-00
(120)
 
.2081M90P04
01-060A, 72-41-00
(ALT)
Q
(-)
Q
Bolt, Shear
(SIN 12024)
--
(-)
 
This Service Bulletin introduces an alternate shear bolt with a square head rather than a D-head.
 
CID: 573038
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2376M45G02
(X)
-
(-)
-
Combustor Nozzle Diffuser Assembly
2376M45G02
(X)
 
.2445M58P02
01-070A, 72-40-00
(4)
Q
(-)
Q
Nut Shield, FINS
(SIN 17204)
.2303M28P01
01-070, 72-40-00
(4)
 
2376M54G01/G02
(X)
-
(-)
-
Combustor Diffuser Assembly
2376M54G01/G02
(X)
 
.2303M16G05
01-160A, 72-41-00
(1)
Q
(-)
Q
Vane, Stage 10 Outlet Guide
(SIN 08001)
.2303M16G02
01-160, 72-41-00
(1)
 
This Service Bulletin introduces a new FINS shield nut and new stage 10 outlet guide vanes manufactured from flash welded ring material.
 
CID: 573120
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M15G04
(X)
-
(-)
-
Assembly, Fan Stator Module
2305M15G04
(X)
 
--

(-)
-
(-)
-
Plate, Patent
(SIN 00602)
.102A559P01
01-540, 72-00-01
(1)
 
This Service Bulletin deletes the patent plate, which is no longer needed.
 
CID: 573137
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M10G03
(X)
-
(-)
-
GEnx Engine Assembly
2305M10G03
(X)
 
.AS3580-4-18
30-130A, 72-00-00
(48)
Q
(-)
Q
Bolt, Machine
(SIN 83721)
.AS3580-4-12
30-130, 72-00-00
(48)
 
.AS3580-4-12*
30-130B, 72-00-00
(ALT)
NP
(50)
10
Bolt, Machine
(SIN 83721)
--
(-)
 
NP = Not Provisioned
*Part not supplied by GE Engine Services Distribution L.L.C. Procure through local purchase.
 
This Service Bulletin introduces a new machine bolt as an alternate part to simplify the assembly process.
 
CID: 573167
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M53G09
(X)
-
(-)
-
HPC Module Assembly, VSV Actuator
2305M53G09
(X)
 
.AS3237-14*
10-190A, 72-30-00
(64)
NP
(15)
30
Bolt, Machine
(SIN 080F5)
.AS3580-4-16
10-190, 72-30-00
(64)
 
.AS3237-18*
10-250A, 72-30-00
(24)
NP
(5)
30
Bolt, Machine
(SIN 080F6)
.AS3580-4-20
10-250, 72-30-00
(24)
 
.AS3237-12*
10-070A, 72-30-00
(78)
NP
(50)
30
Bolt, Machine
(SIN 080FJ)
.AS3580-4-14
10-070, 72-30-00
(78)
 
NP = Not Provisioned
*Part not supplied by GE Engine Services Distribution L.L.C. Procure through local purchase.
 
This Service Bulletin standardizes the bolt configurations on the compressor.
 
CID: 573170
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M58G05
(X)
-
(-)
-
Turbine Center Frame Assembly
2305M58G05
(X)
 
.2347M35G01
10-300A, 72-54-00
(26)
Q
(-)
Q
Nozzle, LPT Stator
(SIN 936A1)
.2306M91G01
10-300, 72-54-00
(26)
 
.2347M35G02
10-310A, 72-54-00
(8)
Q
(-)
Q
Nozzle, LPT Stator
(SIN 936A2)
.2306M91G02
10-310, 72-54-00
(8)
 
This Service Bulletin introduces a new low pressure turbine (LPT) stator nozzle manufactured from a different material.
 
CID: 573197
3.ACCOMPLISHMENT INSTRUCTIONS
A.No change.