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Airworthiness directives › 2004-24-05

AD 2004-24-05 Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co KG (formerly Rolls-Royce plc), Models Spey 555-15, 555-15H, 555-15N, and 555-15P Turbojet Engines

2004-12-29
2004-11-24
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Engine
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Applicability*9

This AD applies to Rolls-Royce Deutschland Ltd. & Co KG (RRD) (formerly Rolls-Royce plc), models Spey 555-15, 555-15H, 555-15N, and 555-15P turbojet engines, with magnesium split low pressure (LP) compressor case, part number (P/N) EU.73418A installed. These engines are installed on, but not limited to, Fokker F.28 Mark 1000, Mark 2000, Mark 3000, and Mark 4000 series airplanes.

Compliance

You are responsible for having the actions required by this AD performed within 60 months after the effective date of this AD, unless the actions have already been done. Replacement of Magnesium Split LP Compressor Case With a Serviceable Compressor Case (f) Remove the magnesium split LP compressor case, P/N EU.73418A, from the engine and install a serviceable LP compressor case. Information on removing and replacing this P/N case can be found in RRD Service Bulletin No. Sp72-893, Revision 3, dated August 25, 2003. Alternative Methods of

Unsafe condition

This AD is prompted by several reports of bird ingestion and LP compressor stage 1 rotor blade failures that have resulted in penetration of the magnesium split LP compressor case and damage to the airplane. We are issuing this AD to prevent possible uncontained LP compressor stage 1 rotor blade failures that could result in damage to the airplane.

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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