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US-2020-22-07 : Nacelle / Pylons - Excessive Pylon Pitch Vibrations - Rotorcraft Flight Manual - Revision

Number US-2020-22-07
Issued by United States of America  United States of America
Issue date 2020-11-11
Effective date 2020-11-18
EASA approval number
ATA Chapter 54
Approval Holder
/ Type Designation
  • BELL TEXTRON INC. (BTI)
    • 412
      • 412
      • 412CF
      • 412EP
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information Bell 412 RFM BHT-412-FM-1, Revision 26, dated August 19, 2020, RFM BHT-412-FM-2 RFM, Revision 13, dated August 19, 2020, or RFM BHT-412-FM-3 RFM, Revision 20, dated August 19, 2020; Bell 412EP RFM BHT-412-FM-4 RFM, Revision 37, dated August 19, 2020, or Bell 412EPI BHT-412-FM-5 RFM, Revision 9, dated August 19, 2020; Subaru Bell 412EPX BHT-412-FM-6 RFM, Revision 5, dated August 19, 2020. For a copy of this service information, contact Bell Textron, Inc., P.O. Box 482, Fort Worth, TX 76101; telephone 817-280-3391; fax 817-280-6466; or at https://www.bellcustomer.com.
Remarks At the time of adoption of this AD, the model 412CF is not validated in Europe. Comments regarding this AD should be referred to the Programming and Continued Airworthiness Information Section, Certification Directorate, EASA; E-mail: ADs [at] easa.europa [dot] eu

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