Airworthiness directives › 2023-24-09
AD 2023-24-09 Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Engines
Models named: Arrius 2R. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Safran Helicopter Engines, S.A. (type certificate previously held by Turbomeca S.A.) Model Arrius 2R engines.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD: Perform all required actions within the compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2022-0265R1, dated January 6, 2023 (EASA AD 2022-0265R1).
Unsafe condition
This AD was prompted by reports of inconsistencies between the torque (TQ) and measured gas temperature (MGT) conformation values recorded in the avionics and the TQ and MGT conformation values recorded on the engine log cards following replacement of the M01 or M02 modules installed on the engine. The FAA is issuing this AD to address inconsistencies between the TQ and MGT conformation values recorded. The unsafe condition, if not addressed, could result in reduced control of the helicopter due to one or more of the following: a power non-availability; a high-pressure blade rupture with consequent power loss and release of low-energy debris; or an overpassing of the helicopter transmission limit.
Affected ADs
None.
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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