Airworthiness directives › 2013-01-07
AD 2013-01-07 Airworthiness Directives; Turbomeca S.A. Turboshaft Engines
Applicability*9
This AD applies to all Turbomeca S.A. Arriel 2D turboshaft engines.
Compliance
After the effective date of this AD, do not install any HMU onto any engine, or install any engine onto any helicopter, unless in compliance with the requirements of paragraph (e) of this AD.
Required actions
The Manager, Engine Certification Office, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request.
Unsafe condition
Unless already done, replace the HMU with an HMU eligible for installation: (1) Before the HMU exceeds 800 operating hours since new; or (2) Within 800 operating hours since last replacement of the low-pressure pump spindle wheel assembly, high-pressure pump complete sleeve, bearings/pinions (matched assembly), and sleeve assembly.
Affected ADs
None.
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