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Airworthiness directives › 2005-14-09

AD 2005-14-09 Airworthiness Directives; Rolls-Royce plc Models RB211 Trent 768-60, Trent 772-60, and Trent 772B-60 Turbofan Engines

2005-07-25
2005-07-08
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Engine
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Models named: RB211 Trent 768-60, Trent 772-60, Trent 772B-60 turbofan. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Rolls-Royce plc (RR) Model RB211 Trent 768-60, Trent 772-60, and Trent 772B-60 turbofan engines with Engine Electronic Controllers (EECs) listed by P/N in the following Table 1: Table 1.—Affected EEC Part Numbers   EEC2000.06.BB.1 EEC2000-06-BE-1 EEC2000-06-BG-1 EEC2000-06-BH-1 EEC2000-06-BL-1 EEC2000-06-BM-1 EEC2000.07.BB.1 EEC2000-07-BE-1 EEC2000-07-BG-1 EEC2000-07-BH-1 EEC2000-07-BL-1 EEC2000-07-BM-1 These engines are installed on, but not limited to, Airbus A330 series airplanes.

Compliance

You are responsible for having the actions required by this AD performed before July 31, 2006, unless the actions have already been done. Removal From Service of EECs (f) Remove from service the EECs with part numbers listed in Table 1 of this AD. (g) Information on the EEC software changes can be found in Rolls-Royce Alert Service Bulletin No. RB.211-73-AE324, Revision 2, dated November 1, 2004. Alternative Methods of

Unsafe condition

This AD results from nine reports of loss of engine parameters displayed in the airplane cockpit, with the simultaneous loss of capability to change thrust of the affected engine. We are issuing this AD to prevent loss of airplane control after an aborted takeoff due to asymmetric thrust.

Read the original on the Federal Register →

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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1