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AD/ARRIUS/14 - Engine Electronic Control Units
Turbomeca Turbine Engines - Arrius SerieTurbomeca Turbine Engines - Arrius Series
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Turbomeca Turbine Engines - Arrius Series
| AD/ARRIUS/14 | Engine Electronic Control Units | 3/2008 DM |
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| Applicability: | Arrius 2B1, 2B1A, 2B2, 2K1 and 2K2 engines, all serial numbers. |
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| Note 1: These engines are known to be installed on, but not limited to, Eurocopter Deutschland EC135 and Agusta A109 twin-engine helicopters. | |
| Requirement: | 1. Determine if the serial number of the installed engine electronic control (EEC) units is listed in the Appendix to Turbomeca Service Bulletin (SB) N°319 73 2835 Update 1 dated 21 December 2006. |
| 2. If, as a result of the Requirement 1 determination, both EEC units installed on the helicopter’s engines are found to be listed in the Appendix to SB N° 319 73 2835 Update 1 modify at least one unit in accordance with the instructions of SB N° 319 73 2835 Update 1. | |
| 3. Modify all remaining affected EEC units in accordance with the instructions of SB N° 319 73 2835 Update 1. | |
| 4. EEC units with a serial number as listed in the Appendix to SB N° 319 73 2835 Update 1 may not be installed on any engine as a replacement spare, unless it has been modified in accordance with the instructions of SB N° 319 73 2835 Update 1. | |
| Later revisions of SB N° 319 73 2835 Update 1 approved by the European Aviation Safety Agency (EASA) are acceptable for compliance with the requirements of this Directive. | |
| Modifications accomplished before the effective date of this Directive in accordance with SB N° 319 73 2835 dated 9 November 2006 are acceptable for compliance with requirements of this Directive. | |
| Note 2: EASA AD 2008-0018 refers. | |
| Compliance: | For Requirements 1 and 2 - Within the next 100 hours time in service (TIS) or two months, whichever occurs first after the effective date of this Directive. |
| For Requirement 3 - Within 300 hours TIS or 12 months, whichever occurs first after the effective date of this Directive. |
| For Requirement 4 - After 7 February 2009. |
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