Airworthiness directives › 2012-23-12
AD 2012-23-12 Airworthiness Directives; Turbomeca S.A. Turboshaft Engines
Applicability*9
This AD applies to Turbomeca S.A. models Arriel 1E2, 1S, and 1S1 turboshaft engines with FCUs manufactured, repaired, or overhauled on or before March 31, 2008.
Compliance
After the effective date of this AD, do not install any FCU manufactured, repaired, or overhauled on or before March 31, 2008, onto any Turbomeca S.A. model Arriel 1E2, 1S, and 1S1 turboshaft engine, unless the FCU 3-way union plug has passed the one-time inspection and torque check required by this AD.
Required actions
If you performed the inspections and corrective actions required by this AD using the original issue or any version up to and including Version D of Turbomeca S.A. MSB No. 292 73 0817 before the effective date of this AD, you have met the requirements of this AD.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done. Within 100 operating hours from the effective date of this AD, perform a one-time inspection of the plug installed in the FCU 3-way union, part number 9 932 30 706 0. (1) If the FCU 3-way union plug is unpainted, verify the plug is torqued to between 1.3 and 1.5 daN.m, in accordance with Turbomeca S.A. Mandatory Service Bulletin (MSB) No. 292 73 0817, Version D, dated February 29, 2012, before further flight. (2) If the FCU 3-way union plug has any red paint on it, replace it with a serviceable plug and torque the plug to between 1.3 and 1.5 daN.m, in accordance with Turbomeca S.A. MSB No. 292 73 0817, Version D, dated February 29, 2012, before further flight.
Affected ADs
This AD supersedes AD 2009-03-04, Amendment 39-15805 (74 FR 7796, February 20, 2009.
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