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Airworthiness directives › 2013-23-17

AD 2013-23-17 Airworthiness Directives; Rolls-Royce plc Turbofan Engines

2013-12-11
2013-11-26
39-17672
FAA-2013-0750
Engine
—

Applicability*9

This AD applies to Rolls-Royce plc (RR) RB211-535E4-37, -535E4-B-37, -535E4-C-37, RB211 Trent 768-60, 772-60, and 772B-60 turbofan engines with turbine disc part numbers (P/Ns) and serial numbers (S/Ns) listed in Table 1 to paragraph (c) of this AD. Table 1 to Paragraph (c)—New Reduced Cyclic Life Limits for High-Pressure (HP)/Intermediate-Pressure (IP) Turbine Discs Engine P/Ns S/Ns New reduced cyclic life limit RB211-535E4-37,-535E4-B-37, -535E4-C-37 UL39767 LDRCZ19900 11,400 flight cycles (FCs).   UL39767 LDRCZ19903   UL39767 LDRCZ19904 RB211 Trent 768-60, 772-60, and 772B-60 FK26893 LDRCZ19901 8,687 FCs.   FK26893 LDRCZ20081   FK26893 LDRCZ20082   FK26893 LDRCZ20084   FK26893 LDRCZ20088   FK26893 LDRCZ20089   FK26893 LDRCZ20090   FK26893 LDRCZ20093   FK26893 LDRCZ20094   FK26893 LDRCZ20097   FK26893 LDRCZ20099   FK26893 LDRCZ20100   FK20795 or FW53118 LDREB12176 9,270 FCs.   FK20795 or FW53118 LDREB12177   FK20795 or FW53118 LDREB12178   FK20795 or FW53118 LDREB12179   FK20795 or FW53118 LDREB12180

Compliance

The Manager, Engine Certification Office, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request.

Required actions

(1) For more information about this AD, contact Frederick Zink, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA 01803; phone: 781-238-7779; fax: 781-238-7199; email: frederick.zink@faa.gov . (2) Refer to MCAI European Aviation Safety Agency AD 2012-0155, dated July 18, 2013. You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. FAA-2013-0750. (3) Rolls-Royce plc, Alert Non-Modification Service Bulletin No. RB.211-72-AH215, dated December 6, 2012 and RB.211-72-AH152, Revision 1, dated July 3, 2013, which are not incorporated by reference in this AD, can be obtained from RR using the contact information in paragraph (g)(4) of this AD. (4) For service information identified in this AD, contact Rolls-Royce plc, Corporate Communications, P.O. Box 31, Derby, DE24 8BJ, UK; phone: 44-0-1332-242424; fax: 44-0-1332-249936; email: http://www.rolls-royce.com/contact/civil_team.jsp . (5) You may view this service information at the FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA. For information on the availability of this material at the FAA, call 781-238-7125.

Unsafe condition

Comply with this AD within the compliance times specified, unless already done. (1) Remove from service, within 30 days, any HP or IP disc identified in Table 1 to paragraph (c) of this AD that has exceeded the new cyclic life limit, or before the disc accumulates flight cycles that equal the new reduced cyclic life limit listed in Table 1 to paragraph (c) of this AD, whichever is later. (2) Do not approve for return to service any engine with any installed HP or IP turbine disc listed in Table 1 to paragraph (c) of this AD, if the disc exceeds the new reduced cyclic life limit listed in Table 1 to paragraph (c) of this AD.

Affected ADs

None.

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