ceb a-73

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January 7, 2013Revision 1March 25, 2013

M250--C30R/3 Series CEB A--73--3137M250--C40B CEB A--73--5040M250--C47 Series CEB A--73--6056

ECOPYRIGHT 2013 Rolls--Royce Corporation

ENGINE FUEL AND CONTROL -- ELECTRONIC CONTROL UNITASSEMBLY

1. PLANNING INFORMATION

A. Effectivity

(1) Engines

All Rolls--Royce M250--C47, C40, C30R/3 Series engines with Goodrich Pump and EngineControl Systems, Inc. (GPECS) Model EMC--35A and 35R Electronic Control Units (ECU)listed below are potentially affected by this bulletin.

The below ECU model 35R part numbers within the serial number range of JG06ANU1004through JG12ANU1421 are affected by this bulletin.

Rolls--Royce Engine Rolls--Royce ECU Part Number GPECS Part Number

M250--C47B 23080490 115220--1A5--20

23088484 115220--1A5--23

23088856 115220--2A5--23

M250--C47M 23080491 115230--1A5--50

23088905 115230--1A5--51

23089311 115230--2A5--51

In addition, the below serial numbers are affected if the ECUs have complied with the bulletinslisted below (ECU A to R conversion upgrade).

ECU Serial Number Range Previously CEB complied with

JG5ALK0887 through Rolls--Royce CEB 73--6048 GPECS Service Bulletin 73--1JG5ALK0887 throughJG5ALK1006

Rolls Royce CEB 73 6048 GPECS Service Bulletin 73 1

JG6ALW0095 through Rolls--Royce CEB 73--6048 GPECS Service Bulletin 73--3JG6ALW0095 throughJG9ALW010

Rolls Royce CEB 73 6048 GPECS Service Bulletin 73 3

The below ECU model 35A part numbers are affected by this bulletin.

Rolls--Royce Engine Model Rolls--Royce Part Number GPECS Part Number

M250--C30R/3 23072950 113999--4A3--7102

23088851 113999--5A3--7102

M250--10408 113999--6A3--7200

COMMERCIAL ENGINEBULLETIN

EXPORT CONTROLLEDALERT

Rolls-RoyceCOMMERCIAL ENGINE BULLETIN

EXPORT CONTROLLED

ALERT

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M250--C40B 23075229 114200--4A1--4303

23075229 114200--4A2--4303

23088849 114200--5A1--4303

23088849 114200--5A2--4303

M250--C30R/3M 23074015 114215--3A2--8000

23088853 114215--4A2--8000

M250--C47B 23072790 114395--2A1--5202

M250--C47M 23072949 113920--4A4--6002

The above part numbers with the below serial numbers are affected.

Rolls--Royce Part Numbers Serial Number Range

2307295023088851M250--10408

JG5AMA0478 through JG12AMA0934,JG7AMA0005, JG7AMA0052, JG8AMA0119,JG8AMA0249, JG0AMA0330, JG1AMA0349,JG1AMA0363, JG2AMA0404, JG3AMA0430,JG3AMA0432, JG4AMA0460

2307522923088849

JG5AME0512 through JG8AME0556,JG6ALK0164, JG9AME0376, JG9AME0381,JG0AME0422, JG1AME0430

2307401523088853

JG5ANJ025 through JG11ANJ087,JG99ANJ007, JG1ANJ018

23072790 JG5ALK0887 through JG5ALK1006,JG6ALK0211, JG6ALK0240, JG7ALK0367,JG8ALK0566, JG9ALK0573

23072949 JG6ALW0095 through JG9ALW0102

NOTE: Units with a T marked on the dataplate in the inspection stamp area havepreviously complied with this bulletin.

B. Reason

Rolls--Royce has become aware of a potential quality issue that can exist in the transformer on theECU Power Circuit Card Assembly.

C. Description

This CEB provides instructions to return affected ECUs to GPECS.

D. Approval

Technical aspects are FAA approved.

E. Compliance

Compliance Code 2.

A. C30R/3 Series engine and C47 Series engines. ECUs with less than 250 hours Time SinceNew, comply no later than 250 hours Total Time.

B. All other ECUs next time the ECU is at GPECS for repair.

Rolls-RoyceCOMMERCIAL ENGINE BULLETIN

EXPORT CONTROLLED

ALERT

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F. Interchangeability -- Not affected

G. Material Availability -- Not affected

H. Tooling -- Not applicable

I. Weight and Balance -- Not affected

J. Electrical Load Data -- Not affected

K. References

(1) CSP 21000 Operation and Maintenance Manual, M250--C40B (OMM)

(2) CSP 21001 Operation and Maintenance Manual, M250--C47B (OMM).

(3) CSP 21003 Operation and Maintenance Manual, M250--C30R/3 (OMM).

(4) CSP 21004 Operation and Maintenance Manual, M250--C47M (OMM).

(5) CSP 21006 Operation and Maintenance Manual, M250--C30R/3M (OMM)

(6) CSP 23001 Illustrated Parts Catalog, M250--C40B, --C47B and C47M (IPC)

(7) CSP 23003 Illustrated Parts Catalog, M250--C30R/3, --C30R/3M (IPC).

L. Other Publications Affected -- None

M. Prerequisites -- None

2. ACCOMPLISHMENT INSTRUCTIONS

A. Replace ECU

(1) Install a new or repaired ECU.

3. MATERIAL INFORMATION

INSTRUCTIONS/DISPOSITION NOTES

A. Send to Goodrich Pump and Engine Control Systems, Inc. For Service Bulletin 73--6 and73--18.

Goodrich Pump and Engine Control Systems, IncTalcott RoadWest Hartford, CT 06110Point of contact:Russell AndersonPhone: 860--231--2785FAX: 860--231--2781

CUSTOMER SUPPORTROLLS-ROYCE

SUBJECT: ENGINE FUEL AND CONTROL ELECTRONIC CONTROL UNIT ASSEMBLYCEB A-73-6056 Revision 1.pdfCEB-cover letter-R1_WP240788.pdfceb_73-3137_r1_WP240788.pdf

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