Airworthiness directives › 2020-12-09
AD 2020-12-09 Airworthiness Directives; Airbus Helicopters
Models named: EC130B4, EC130T2. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus Helicopters Model EC130B4 and EC130T2 helicopters, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
An “affected part” is a TRB having P/N 350A333002.02 and a serial number specified in Appendix 4.A. of Airbus Helicopters Alert Service Bulletin EC130-04A007, Revision 0, dated July 18, 2018 (“ASB EC130-04A007”).
Unsafe condition
This AD was prompted by a report that a new manufacturing process for the tail rotor blades (TRBs) has been implemented, affecting the structural characteristics of the TRB and generating a new part number (P/N) for these blades. It was determined that a new life limit is needed for the new P/N TRBs. The FAA is issuing this AD to ensure the new P/N TRBs do not exceed their life limit, which could lead to loss of the TRB and subsequent loss of control of the helicopter.
Affected ADs
None.
Read the original on the Federal Register →
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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