1.PLANNING INFORMATION
A.Effectivity
* * * FOR GEnx-1B54, -1B54/P1, -1B58, -1B58/P1, -1B64, -1B64/P1, -1B67, -1B67/P1, -1B70, -1B70/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1
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
GEK 112862, GEnx-1B Cleaning, Inspection, and Repair Manual (CIR)
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
 
GEnx-1B54/P1, -1B58/P1, -1B64/P1, -1B67/P1, -1B70/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1
 
2305M32G03
(X)
-
(-)
-
Gearbox, Inlet
(SIN 03000)
2305M32G03
(X)
 
.2301M12P01
01-100, 72-61-00
(1)
-
(-)
-
Bearing, No. 3 Ball
(SIN 030A7)
.2301M12P01
01-100, 72-61-00
(1)
 
.2413M24P01
01-100A, 72-61-00
(ALT)
Q
(-)
Q
Bearing, No. 3 Ball
(SIN 030A7)
--
(-)
 
This Service Bulletin introduces an alternate No. 3 ball bearing in order to enhance spare part availability by validating a new vendor.
 
CID: 547469-2
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
GEnx-1B54, -1B58, -1B64, -1B67, -1B70
 
2305M53G09
(X)
-
(-)
-
Module Assembly, HP Compressor
(SIN 00108)
2305M53G09
(X)
 
.4150T26P03
10-170A, 72-30-00
(48)
Q
(-)
Q
Nut, Breakaway
(SIN 08040)
.4150T26P02
10-170, 72-30-00
(48)
 
This Service Bulletin introduces a new breakaway nut that has new length and diameter dimensions, and a chamfer feature to make sure that the counterbore of the stage 6 and stage 9 high pressure compressor (HPC) aft inner cases and the breakaway nut fit correctly.
 
CID: 547757
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
GEnx-1B54, -1B58, -1B64, -1B67, -1B70
 
2305M53G06/G09
(X)
-
(-)
-
Module Assembly, HP Compressor
(SIN 00108)
2305M53G06/G09
(X)
 
.2302M69G06
10-080A, 72-30-00
(1)
Q
(-)
Q
Case, Extension
(SIN 080AL)
.2302M69G03
10-080, 72-30-00
(1)
 
This Service Bulletin introduces a new extension case that has incorporated improved manufacturing processes and tolerances.
 
CID: 547877
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
GEnx-1B54, -1B54/P1, -1B58, -1B58/P1, -1B64, -1B64/P1, -1B67, -1B67/P1, -1B70, -1B70/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1
 
2305M53G06/ G09/G11/G12
(X)
-
(-)
-
Module Assembly, HP Compressor
(SIN 00108)
2305M53G06/ G09/G11/G12
(X)
 
.4150T26P04
10-170B, 72-30-00
(48)
Q
(-)
Q
Nut, Breakaway
(SIN 08040)
.4150T26P03
S/B 72-0109
(48)
 
This Service Bulletin introduces a new breakaway nut that has reduced shear torque to make sure that the hexagonal collar breakaway is more consistent during assembly.
 
CID: 573423
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
GEnx-1B54, -1B54/P1, -1B58, -1B58/P1, -1B64, -1B64/P1, -1B67, -1B67/P1, -1B70, -1B70/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1
 
2305M53G12
(X)
-
(-)
-
Module Assembly, HP Compressor
(SIN 00108)
2305M53G12
(X)
 
.4150T26P03
(48)
-
(-)
-
Nut, Breakaway
(SIN 08040)
.4150T26P03
S/B 72-0109
(48)
 
.2383M98P01
10-170C, 72-30-00
(ALT)
*
(-)
-
Nut, Breakaway
(SIN 08040)
--
(-)
 
*Not sold by GE Aircraft Engines.
This Service Bulletin introduces a new alternate breakaway nut P/N 2383M98P01 that can be made from breakaway nut P/N 4150T26P02 and is equivalent to the new make breakaway nut P/N 4150T26P03.
 
CID: 573639
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
GEnx-1B54, -1B54/P1, -1B58, -1B58/P1, -1B64, -1B64/P1, -1B67, -1B67/P1, -1B70, -1B70/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1
 
2305M15G04/G05
(X)
-
(-)
-
Assembly, Fan Stator Module
(SIN 00103)
2305M15G04/G05
(X)
 
.AS3238-14
05-720A, 72-00-01
(2)
*
(-)
-
Bolt, Machine
(SIN 65H21)
.AS3238-12
05-720, 72-00-01
(2)
 
*Not sold by GE Aircraft Engines.
This Service Bulletin introduces machine bolts. FADEC retention lanyard mounting bolts are being lengthened to make sure that at least two threads are always visible beyond the end of the nutplate under any stackup condition.
 
CID: 573657
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
GEnx-1B54, -1B54/P1, -1B58, -1B58/P1, -1B64, -1B64/P1, -1B67, -1B67/P1, -1B70, -1B70/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1
 
.1443M45P01
05-175, 79-22-30
(AR)
6.00
(25)
5
Strap, Tiedown Metallic
(SIN 4619H)
(SPD)
--
(-)
 
This Service Bulletin introduces a new spare parts drawing (SPD) tiedown metallic strap that is released to support the repair of oil vent manifold P/N 2506M09G01. Refer to the GEnx-1B CIR, 72-09-81, INSPECTION 001, Subtask 72-09-81-350-067.
 
CID: 573690
3.ACCOMPLISHMENT INSTRUCTIONS
A.No change.