TRANSMITTAL INFORMATION
REVISION 2 TO SERVICE BULLETIN 72-0105
Revision 2 is issued to update paragraph 2.A., Material - Price and Availability.
Revision 1 was issued December 14, 2012. The original was issued on the October 12, 2012. Revision bars in the left margin identify changes.
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
None.
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
 
2305M58G01/ G05/G06/G07
(X)
-
(-)
-
Turbine Center Frame Assembly
(SIN 92500)
2305M58G01/ G05/G06/G07
(X)
 
.2301M14P02
15-091, 72-54-00

(1)
Q
(-)
Q
Bearing, No. 4 Cylindrical Roller
(SIN 01400)
.2301M14P02
15-091, 72-54-00

(1)
 
.2373M84P02
15-091A, 72-54-00

(ALT)
Q
(-)
Q
Bearing, No. 4 Cylindrical Roller
(SIN 01400)
--
(-)
 
This Service Bulletin introduces an alternate No. 4 cylindrical roller bearing that is fabricated by another manufacturer.
 
CID: 547802-1
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M71G02
(X)
-
(-)
-
Gearbox, Accessory
2305M71G02
(X)
 
.2349M77G01
05-300A , 72-64-00

(1)
Q
(-)
Q
Adapter, Fuel
(SIN 038AP)
.2312M42G02
05-300, 72-64-00

(1)
 
.2349M77G02
05-300B, 72-64-00

(1)
Q
(-)
Q
Adapter, Fuel
(SIN 038AP)
.2349M77G01
05-300A, 72-64-00

(1)
 
2305M30G04
(X)
-
(-)
-
Fan Hub Module
2305M30G04
(X)
 
.2305M33G02
01-010A, 72-25-00

(1)
Q
(-)
Q
Transfer Gearbox
(SIN 03200)
.2305M33G01
01-010, 72-25-00

(1)
 
2305M33G02
(X)
-
(-)
-
Transfer Gearbox
2305M33G02
(X)
 
.2312M19G02
01-170A, 72-62-00

(1)
Q
(-)
Q
Support, Horizontal Shaft
(SIN 032A1)
.2312M19G01
01-170, 72-62-00

(1)
 
.2312M19G03
01-170B, 72-62-00

(1)
Q
(-)
Q
Support, Horizontal Shaft
(SIN 032A1)
.2312M19G02
01-170A, 72-62-00

(1)
 
This Service Bulletin introduces a new fuel adapter that has an additional machining operation to improve clearance with adjacent hardware.
This Service Bulletin also introduces a new horizontal shaft support that has an additional machining operation to improve clearance with adjacent hardware.
 
CID: 573320, 547345, 547353
 
New Part Number
Qty/ Eng
Unit ($) Price
Pkg Qty
Lead Time Days
Part Name
Old Part Number/ IPC Location
Qty/ Eng
 
2305M63G01
(X)
-
(-)
-
Frame Assembly, Turbine Rear
(SIN 94000)
2305M63G01
(X)
 
.2331M77P01
01-020, 72-57-00

(1)
Q
(-)
Q
Seal, Stationary Outer
(SIN 01559)
.2331M77P01
01-020, 72-57-00

(1)
 
.2332M87G01
01-020A, 72-57-00

(ALT)
Q
(-)
Q
Seal, Stationary Outer
(SIN 01559)
--
(-)
 
This Service Bulletin introduces an alternate stationary outer seal that is made from three-piece forged stocks and two-piece sheet metal.
 
CID: 942598
3.ACCOMPLISHMENT INSTRUCTIONS
A.No change.