TRANSMITTAL SHEET

CFM INTERNATIONAL

CFM56-5B SERVICE BULLETIN 72-0777 REVISION 1

ENGINE - FAN AND BOOSTER ASSEMBLY (72-21-00) - FAN BLADE REPLACEMENT FOR MID SPAN

SHROUD NON CONFORMING CONTOUR

APRIL 11, 2011

This page transmits Revision 1 to CFM56-5B Service Bulletin 72-0777 dated July 07, 2010.

This Service Bulletin has been revised to refer to the EASA Airworthiness Directive n° 2010-0212 and to the

A/C Service Bulletin Number A320-72-1035 in the paragraph reference.

This revision also introduces corrections on Fan Blade Serial numbers : S/N DE829421-8 allocated in error

on ESN 699826 instead of ESN 699849 and inversion of Fan Blade Serial numbers between ESN 699812

and ESN 699813.

Consequently, the following paragraphs have been updated:

1.C. Compliance, 1.F. Approval, 1.I. References and 4. Appendix A.

Engines that have previously complied with this Service Bulletin are not affected.

The vertical dash in the left-hand margin indicates change. A change, which does not affect the technical

content, may not be highlighted in the Transmittal Sheet.

This Service Bulletin is reissued in its entirety.

ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

CFM PROPRIETARY INFORMATION

The information contained in this document is CFM proprietary information and is disclosed in

confidence. It is the property of CFM and shall not be used, disclosed to others or reproduced

without the express written consent of CFM, including, but without limitation, it is not to be used in

the creation, manufacture, development, or derivation of any repairs, modifications, spare parts,

design, or configuration changes or to obtain FAA or any other government or regulatory approval

to do so. If consent is given for reproduction in whole or in part, this notice and the notice set

forth on each page of this document shall appear in any such reproduction in whole or in part.

The information contained in this document may also be controlled by U.S. export control laws.

Unauthorized export or re-export is prohibited.

All technical documentation and information contained herein, with respect to assembly and

disassembly, cleaning, inspection methods and limits, repair methods and limits, operational

limits, life limits and the like, have been developed and approved for use with engines and parts

that have been manufactured and/or approved by CFM and that have been maintained in

accordance with CFM technical documentation and recommendations. CFM has no contractual

or legal obligation for, nor knowledge of, non-CFM-approved parts and repairs. Accordingly, this

document is not intended to apply to non-CFM-approved parts and repairs.

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 1 of 34
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

1. PLANNING INFORMATION

A. Effectivity

CFM56-5B1/3, -5B2/3, -5B3/3, -5B4/3, -5B5/3, -5B6/3, -5B7/3, -5B8/3, -5B9/3

CFM56-5B3/3B1, -5B4/3B1

(1) The fan blades P/N 338-002-114-0 installed on CFM56-5B engines are affected.

(2) The engine and the fan blades serial numbers listed in paragraph 4.A - APPENDIX

A, Table 1 are affected.

B. Description

This Service Bulletin provides instructions to replace suspect fan blades listed in paragraph

4.A - APPENDIX A. Refer to figure 1.

C. Compliance

Category 2.

Do as soon as possible without effect on revenue service :

- Within 1600 flight hours for Airplanes with suspected Fan Blades installed on both Engines.

- Within 5000 flight hours for Airplanes with suspected Fan Blades installed on one Engine

only

REGULATORY ACTION: THIS SERVICE BULLETIN IS RELATED TO AN EASA

AIRWORTHINESS DIRECTIVE (AD). AIRWORTHINESS DIRECTIVE DETAILS ARE

INCLUDED IN THE REFERENCE SECTION.

NOTE: This Service Bulletin can be accomplished in shop or on wing.

D. Concurrent Requirements

None.

E. Reason

(1) Objective:

REPLACEMENT OF SUSPECTED FAN BLADES FROM THE FLEET.

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 2
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

To reduce IFSD probability in case of FOD .

(2) Condition:

Reduced surface of contact on adjacent blades in case of FOD event that could lead

to liberation of fan blade upper panel (above mid span shroud).

(3) Cause:

Non conforming geometry generated during manufacturing process and detected

during quality sampling.

The quality investigation isolated a production batch of 706 parts which are potentially

affected by this issue.

(4) Improvement:

Manufacturing process revised accordingly.

(5) Substantiation:

Substantiation is by analysis.

F. Approval

The technical content of this document is approved by the FAA and under the authority of

DOA n° EASA.21J.086.

The technical content of this Service Bulletin has been approved under the authority of the

EASA Design Organization Approval N° EASA.21J.031."

G. Manpower

No additional man-hour is necessary to do this Service Bulletin.

H. Weight and Balance

Weight and balance are not change.

I. References

CFM56-5B Engine Shop Manual , CFMI-TP.SM.9

A318/A319/A320/A321 Aircraft Maintenance Manual

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 3
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

PQAR SN 175 Rev 1

EASA AD 2010-0212 dated October 18, 2010

This Service Bulletin is covered by A/C Service Bulletin Number A320-72-1035

NOTE: Under no circumstances shall the modified equipment, resulting from the

application of this SB, be installed on the aircraft type unless the corresponding

modification, and if applicable, its aircraft SB are approved.

J. Publications Affected

None.

K. Interchangeability

Physical and functional interchangeabilities are not affected.

L. Software Accomplishment Summary

None.

2. MATERIAL INFORMATION

A. Material - Price and Availability

(1) Parts necessary to do this Service Bulletin:

Part Number

Qty/

Eng Part Name

Unit

$ Price

Pkg

Qty

Lead

Time

Days

338-107-502-0 (AR) BLADE PAIR

SET-FAN ROTOR

STG 1

47,830 (1) -

NOTE: Prices can change.

(2) Other Spare Parts:

None

(3) Consumables:

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 4
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

None.

B. Industry Support Information

Fan Blades to be ordered at no cost.

Please contact your CSM for informations.

C. Configuration Chart

None.

D. Disposition of Parts

Ship all the removed blades with documentation referencing S/B 72-0777 to:

CFM International SA

C/O Snecma

Magasin Retour Clients

Centre de Villaroche

Batiment 5A sud

77550 MOISSY CRAMAYEL

FRANCE

E. Tooling - Price and Availability

None.

3. ACCOMPLISHMENT INSTRUCTIONS

NOTE 1: Changes introduced by this Service Bulletin have no effect on the removal and

installation of the fan blade.

NOTE 2: If an engine fitted with fan blades from the suspect population encounters a bird

strike, or has already encountered or shows evidence of having encountered a bird

strike since EIS, please contact the CFM Customer Support Center for additional

recommendations

A. IN SHOP:

(1) Remove the suspected fan blade. Refer to Engine Shop Manual , ATA 72-00-21,

REMOVAL.

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 5
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

(2) Install the replacement fan blade. Refer to Engine Shop Manual , ATA 72-00-21,

INSTALLATION.

B. ON WING:

(1) Remove the suspected fan blade. Refer to Aircraft Maintenance Manual , ATA

72-21-00, REMOVAL OF THE FAN ROTOR BLADES, TASK 72-21-00-000-007.

(2) Install the replacement fan blade. Refer to Aircraft Maintenance Manual , ATA

72-21-00, INSTALLATION OF THE FAN ROTOR BLADES, TASK 72-21-00-400-007

(3) Alternative procedure : Replace the fan rotor blades in pairs or individually :

(a) Replace the fan rotor blades in pairs. Refer to Aircraft Maintenance Manual ,

ATA 72-21-00, REPLACEMENT OF THE FAN ROTOR BLADES IN PAIRS,

TASK 72-21-00-300-028.

(b) Replace the individual fan rotor blades. Refer to Aircraft Maintenance Manual ,

ATA 72-21-00, REPLACEMENT OF THE INDIVIDUAL FAN BLADES, TASK

72-21-00-300-029.

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 6
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Fan Blade Location

Figure 1

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 7
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

4. A - APPENDIX A

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE684101-R 1

DE828351-8 6

DE827863-1 13

DD113155-E 16

DE827174-M 20

DE828201-U 23

DE828341-P 24

DE827896-U 30

DE827437-H 34

699533

DE827852-H 35

DE827986-B 2

DE682599-9 3

DE346262-9 4

DE683713-G 6

DE826912-4 7

DE827025-9 9

DE827682-3 10

DD110114-J 11

DE827993-W 12

DE825567-1 13

DE828043-R 15

DD700856-L 16

DE346575-H 17

DE683438-W 18

DE684283-H 19

DE074917-E 20

DE827962-1 21

699534

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 8
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE681255-J 24

DE075614-K 25

DE825454-L 26

DE074542-M 27

DE076789-R 28

DE681944-D 29

DE681745-E 31

DE828407-J 33

DE075108-6 34

DE827715-H 35

699534

DE073706-3 36

DE684002-R 1

DE828135-7 12

699537

DE825463-6 17

699550 DE828768-U 5

DE829262-7 20

DE827709-E 5

DE827642-5 8

DE827836-Y 15

DE827624-4 17

DE827984-D 21

699551

DE826125-P 23

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 9
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE826608-G 1

DE828126-M 4

DE828214-8 5

DE826607-H 9

DE827918-V 12

DE828501-P 14

DE828212-A 23

DE828205-N 32

699552

DE827488-E 36

DE828963-Y 5

DE828773-1 23

DE828674-1 24

DE828530-8 30

DE828675-0 31

699553

DE829162-8 35

DE828798-A 1

DE829159-G 2

DE829211-T 7

DE828474-3 10

DE828596-E 14

DE829203-9 28

DE828770-4 31

DE828964-W 32

699556

DE829217-K 35

DE684000-U 9

DE826574-3 14

DE827719-W 15

699558

DE827985-C 16

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 10
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE826862-H 8

DE827523-6 13

DE827845-0 14

DE827702-6 16

DE826429-G 19

DE826995-C 23

DE827835-F 26

DE825694-G 28

699559

DE682382-J 36

DE828113-A 10

DE825457-H 11

DE827706-2 12

DE826492-5 14

DE684100-T 19

DE825468-1 25

699562

DE684001-T 27

DE828587-W 17

DE829286-2 22

DE829892-Y 26

699563

DE829119-J 28

DE829699-R 1

DE828386-G 5

DE828629-W 12

DE829301-A 14

DE828847-V 15

DE829101-C 23

699564

DE828647-Y 29

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 11
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829082-8 1

DE828736-0 3

DE829054-N 4

DE828958-A 5

DE828589-U 6

DE829333-M 7

DE828430-9 8

DE828529-Y 9

DE829216-L 10

DE827801-6 11

DE828931-3 12

DE829189-0 13

DE828811-5 14

DE829125-7 16

DE829113-R 17

DE829088-2 18

DE829118-K 20

DE828663-H 22

DE828886-U 23

DE828677-D 24

DE828379-E 25

DE828524-K 27

DE828996-A 28

DE828669-U 32

DE829084-6 33

DE828772-2 34

DE829193-L 35

699572

DE828857-C 36

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 12
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE827677-W 2

DE827911-K 10

DE827526-3 17

DE827208-5 32

699573

DE827639-W 36

DE684003-P 1

DE826570-7 6

DE682864-V 11

DE827294-K 12

DE825458-G 14

DE828211-B 15

DE827697-V 18

DE828210-C 32

699575

DE827710-N 35

DE827988-9 7

DE827837-W 8

DE683999-K 27

699576

DE827339-G 31

DE828724-H 3

DE828734-2 10

DE828775-E 12

DE829006-8 14

DE828393-4 17

DE828909-U 21

DE829294-J 22

DE828757-D 23

DE828607-G 24

DE828583-H 30

699579

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 13
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829154-M 31

DE828999-7 32

DE828428-G 34

699579

DE828723-J 35

DE829029-4 12

DE828627-F 15

DE829212-R 17

DE828542-L 18

DE826899-9 24

DE828862-G 30

DE828419-1 34

699580

DE829335-K 35

DE828782-G 4

DE829157-J 16

DE829328-2 22

699582

DE828993-D 34

DE828544-J 2

DE828746-Y 3

DE829303-8 4

DE829001-D 5

DE826849-U 8

DE828940-J 9

DE829290-N 10

DE828610-8 12

DE828843-G 15

DE829300-B 16

DE828478-E 18

DE828673-2 21

699584

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 14
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE828394-3 24

DE828420-R 25

DE829265-4 26

DE829215-M 28

DE828488-W 29

DE828383-K 30

DE829087-3 31

DE828602-M 33

699584

DE829287-1 34

699592 DE828920-K 30

DE827641-6 34

DE826582-K 2

DD106356-T 4

DE827990-G 5

DE684004-N 10

DE828591-4 13

DE828216-6 15

DE827915-F 30

DE827853-G 32

699599

DE828822-J 33

DE829950-H 4

DE826605-K 19

DE829073-N 26

699615

DE829116-M 35

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 15
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE830018-9 1

DE829555-G 13

DE829953-Y 15

DE830014-D 17

DE828536-2 20

DE829484-2 26

DE828756-E 27

DE829180-9 28

DE829955-V 29

699634

DE828989-N 34

DE829583-2 6

DE829911-J 8

DE684095-2 9

DE829551-L 13

DE829305-6 17

699635

DE829835-Y 27

DE829053-P 5

DE828623-K 6

DE830023-W 8

DE828884-W 9

DE828885-V 18

DE829166-4 19

DE828748-V 21

DE829854-Y 27

DE830005-V 29

DE828990-1 31

699637

DE829895-U 36

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 16
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829710-M 1

DE829482-4 9

DE828874-E 11

DE829910-K 13

DE828973-E 15

DE829865-D 17

DE829479-V 18

DE828921-J 27

DE829202-A 28

DE829331-P 30

DE830020-G 31

DE830011-1 33

DE829542-5 34

699642

DE828987-R 36

DE829405-5 6

DE830009-P 9

DE829038-K 11

DE829697-U 17

DE829137-K 19

DE829703-4 21

DE829827-D 29

699645

DE829185-4 35

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 17
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829869-9 1

DE829952-F 8

DE828639-D 10

DE828781-H 13

DE829151-R 19

DE829554-H 20

DE829475-G 21

DE830006-U 29

DE829399-V 35

699647

DE829860-3 36

DE829709-D 10

DE829894-V 12

DE829489-C 20

DE829858-T 27

DE829589-B 32

699651

DE829480-6 36

DE828720-M 1

DE829958-R 13

DE828942-G 16

DE828388-Y 17

DE829483-3 18

DE829965-C 19

DE830126-R 20

DE829948-A 21

DE829041-B 23

DE828709-W 25

699652

DE828790-3 27

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 18
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE830062-V 1

DE829531-M 2

DE829253-M 8

DE830058-7 10

DE829872-F 11

DE829556-F 19

DE828896-B 27

699653

DE829956-U 28

DE830124-U 1

DE829868-A 7

DE829847-C 9

DE829885-C 13

DE829410-R 17

DE829587-D 24

DE828810-6 29

699655

DE829581-4 32

DE829961-1 2

DE829873-Y 13

DE829708-E 15

699657

DE829960-2 31

DE829606-2 5

DF099945-P 17

DE830180-V 19

DE684157-1 20

DF099872-B 24

699659

DE829861-2 25

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 19
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829707-0 4

DE829530-N 5

DE829487-E 9

699661

DF099993-8 30

DE828881-G 10

DE829599-T 17

DE829957-T 20

699662

DE829852-G 21

DE828749-U 1

DE829909-B 4

DE830053-C 7

DE829488-D 9

DE829153-N 15

DE829074-M 18

DE829904-1 19

DE830007-T 20

DE828624-J 25

699664

DE828882-F 36

DE829608-0 2

DE829845-E 3

DE829603-5 4

DE829901-4 6

DE829031-U 9

DE828682-H 21

DE829582-3 25

DE828421-P 27

DE829213-P 28

DE828382-L 33

699668

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 20
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

699668 DE830095-8 36

DE684165-H 1

DE829824-1 8

DE684168-Y 17

DE348520-9 19

699673

DF100166-V 36

699679 DE829070-T 5

DE830010-2 35

699681 DE682547-W 13

DE828600-P 2

DE829214-N 30

699686

DE828774-0 35

699695 DF100066-W 12

699700 DE828961-G 23

DE684162-L 1

DE828762-H 5

DF099996-5 18

DE829638-W 20

699704

DE830240-W 27

699705 DE830047-P 13

DF099878-5 33

699706 DE829485-1 34

DE829562-4 35

699714 DE829336-J 4

699721 DF099932-C 13

699722 DE828200-V 15

DE829124-8 23

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 21
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE830255-8 4

DF100233-1 5

DF100174-E 9

699726

DE829117-L 24

699727 DF099939-5 7

DF099992-9 6

DF100243-F 9

DF100685-N 17

DF100538-8 19

DF099902-W 21

DE830241-V 28

699729

DF100054-1 29

DF100301-J 3

DF099998-3 5

DE684276-0 9

DF100204-G 10

DF100428-R 12

DF099863-T 20

699731

DF100218-C 36

699735 DF099944-R 11

DE828853-1 7

DE830097-6 9

DE829616-G 22

DE829552-K 25

DE829879-P 27

DE828871-2 28

DE830015-C 31

699736

DE829538-Y 33

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 22
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DF099941-V 2

DF099946-N 3

DF100230-4 14

DF100051-4 15

DD105414-E 27

699740

DF100431-1 32

DE828875-D 10

DE684169-W 12

DF100433-E 14

DF100006-G 27

DF100605-U 28

699744

DF100451-0 33

DF099987-K 3

DF100202-J 11

DF100552-D 17

DF099936-8 18

699746

DF099935-9 33

DF100056-E 1

DE829848-B 12

DF100573-B 14

DF100180-H 16

DF100062-H 20

DF100001-M 27

699748

DF100447-R 34

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 23
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829071-R 2

DF100002-L 3

DF100172-1 8

DE829476-F 17

DE830251-C 28

DE829523-5 29

699749

DE829199-Y 36

DF100226-W 2

DE829891-F 12

699750

DF100232-2 18

DE830248-L 3

DE826446-J 11

DE829585-0 13

DF100160-J 18

DF100245-W 19

DF100156-D 30

699757

DF100545-T 33

DE829563-3 6

DE829954-W 10

DE829641-5 17

DE829876-U 19

DE828786-V 28

DE828754-1 31

699759

DE829831-J 36

DF100341-G 10

DE830253-A 20

DF100613-D 26

699760

DF099910-0 27

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 24
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

699767 DE075576-F 19

DE828751-4 2

DE828537-1 6

DE829326-4 10

DE828849-T 13

DE829291-M 20

DE829003-B 22

699769

DE828613-5 33

699777 DF100546-R 35

699779 DF100131-4 36

DF099942-U 2

DE830305-R 3

DF100238-B 6

DE829812-J 7

DE830258-5 9

DE830189-J 11

699784

DF100541-Y 19

DF099874-9 3

DF100331-2 9

DF099865-P 10

DE830244-R 12

DF099990-B 21

DF100201-K 28

699786

DF100345-V 29

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 25
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE830194-8 1

DF100473-C 2

DE830249-K 9

DF100064-F 10

DF100330-3 17

DF100581-V 19

699788

DF100055-0 22

DE829951-G 1

DE828568-W 3

DE828622-L 5

DE830136-9 10

DE829959-P 18

DE829481-5 19

DE829856-V 27

DE829906-E 28

DE829537-F 29

699789

DE828667-W 31

DF099938-6 12

DF100211-4 18

DE829510-P 25

699790

DF100004-J 36

DE684159-E 1

DF100540-F 6

DF100454-C 8

DF100574-A 17

DE684170-7 19

699791

DF100479-6 28

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 26
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE830334-9 1

DF100490-E 5

DF100906-N 6

DE829519-Y 15

DF100401-H 16

DF100175-D 17

DF099903-V 19

DE829524-4 26

DE829648-D 27

DE830186-M 28

699793

DE830313-B 29

DF100022-K 2

DE829897-R 4

DF100162-G 6

DF100690-C 10

DF100858-4 16

DF100675-8 18

DF100329-R 20

DE829808-D 24

DF100548-N 25

DF100838-5 35

699794

DF101008-E 36

DE829809-C 14

DF100462-W 23

DE830339-4 24

DE829807-E 26

DF100023-J 30

699798

DE829527-1 33

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 27
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE829813-H 7

DF099904-U 15

DF100163-F 21

DF100535-B 24

699800

DF100145-Y 36

DF101184-D 14

DF100986-J 23

DF100482-V 24

DF100164-Y 34

699802

DF101120-5 36

DF099906-R 2

DE828992-E 15

DF100537-9 23

DF099901-Y 27

699803

DF100216-E 35

DF100063-G 1

DF100578-6 8

DE830195-7 9

DE830254-9 30

DF100213-2 31

699805

DF100207-W 36

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 28
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DF100147-V 1

DF100392-D 2

DE830316-8 6

DF100292-E 14

DE828877-B 19

DF100926-M 22

DF100865-M 24

699806

DF101058-U 32

DF100426-U 1

DE830250-D 10

DF100200-L 12

DF100661-V 13

DE684167-F 19

DE830304-T 20

DF100445-U 21

DF100402-G 27

699807

DF100215-0 28

DE829822-3 5

DF100240-J 7

DF101090-H 11

699808

DE828650-6 28

DF100395-A 3

DF100171-2 7

699810

DF100835-8 13

DE828643-J 1

DF100013-4 2

DF100016-1 13

699811

DE829924-0 24

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 29
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

699812 DF101270-G 14

DF100256-C 25

DF100955-6 5

DF101009-D 6

DF101174-W 12

699813

DE829818-V 15

699814 DF100859-3 14

DF101185-C 25

DF101062-2 6

DF101047-D 12

DE830171-C 14

699815

DF100761-U 16

DF102671-B 10

DE830301-W 13

DF101138-U 19

699816

DF102619-6 36

DF101224-0 14

DF101205-0 23

DF102646-N 27

DF102171-1 32

DF101141-3 33

699817

DF101168-A 35

DF100718-7 14

DF100985-K 32

699818

DF100912-B 33

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 30
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DF100394-B 2

DE829650-L 3

DF099969-J 13

DF100186-U 24

DE827530-P 25

699822

DF100842-T 27

699824 DF101015-G 25

699825 DF100756-7 2

DF101100-6 8

699826 DF100140-K 29

DF100337-B 1

DE829526-2 10

DF100536-A 14

DF100169-R 18

699827

DF100165-W 34

DF101171-G 1

DF101024-2 9

DF100741-V 11

DF100601-F 12

699829

DF100303-G 15

DF100178-A 4

DF100849-J 5

DF100227-V 28

699831

DF101218-U 31

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 31
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DE826320-U 9

DF100714-B 14

DF101036-Y 15

DF101052-H 19

DF102764-N 22

DE828599-B 23

DF101034-G 26

699832

DF101695-M 33

DF100778-4 1

DF101164-E 6

DF100816-8 7

DF101041-4 9

DF100359-8 11

DF102663-R 17

699834

DF101027-E 20

DF100744-R 8

DF101060-4 15

DF102662-T 18

699837

DF101003-4 28

DE829421-8 14

DE830333-A 25

DE830192-A 30

699849

DE829520-8 36

699850 DF100949-H 8

DF100732-C 18

699860 DE830051-E 2

DF102257-A 15

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 32
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

699861 DF100909-K 8

DF100972-8 29

DF100922-T 15

DF100883-N 17

DF100837-6 19

DF101037-W 25

DE826411-A 28

DF101199-N 34

699867

DF100876-5 35

DF100995-4 1

DF100009-W 6

DF099869-K 7

DF099943-T 13

DE829811-K 14

DF100997-2 15

DF100403-F 17

DF100012-5 21

DF100450-1 32

699868

DF100544-U 35

DF101910-V 3

DF102661-U 12

DE826326-L 20

DF102028-V 21

DF102494-9 31

699869

DF100824-R 33

699873 DF100963-N 17

DF101158-T 32

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 33
ENGINE - Fan and Booster Assembly (72-21-00) - Fan Blade replacement for mid span shroud non

conforming contour

Table 1

List of fan blades 338-002-114-0 suspected by engines

Engine S/N Fan Blade S/N

Fan Blade installed

position

DF100753-A 2

DF101609-7 3

DF100118-D 5

DF100870-B 7

DF102843-P 8

DF102493-A 16

DF101157-U 20

DF101994-K 21

DF102013-3 23

DE684146-H 29

DF101842-A 30

DF100993-6 31

DF101702-D 32

699877

DF101993-L 33

699882 DF102228-T 22

DF101240-3 9

DF101398-M 10

DF101227-C 11

DF102669-J 13

DF100758-5 14

DF101976-J 17

DF101937-K 21

DF101280-1 22

DF101769-3 23

DF101729-5 27

699887

DF101178-R 34

July 07, 2010 CFM56-5B S/B 72-0777

Revision 1, April 11, 2011 PAGE 34