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IT-1988-244 : Tail Rotor Drive - Tail Rotor Drive Shaft - Inspection / Modification

Number IT-1988-244
Issued by Italy  Italy
Issue date 1988-12-31
Effective date 1988-12-31
EASA approval number
ATA Chapter 65
Approval Holder
/ Type Designation
  • MECAER AVIATION GROUP SpA
    • NH-500D
Revision Not applicable
Correction Not applicable
Supersedure This AD supersedes AD 1987-031R3 (87-31 rev.3).
Publication(s) and related information Service Information Notices (SIN) DN-143, HN-2O6, or EN-31, each dated August 26, 1986. SIN HN-206.1, DN-143.1,EN-31-1 dated 28 November1986. SIN DN-95 dated 7 August 1981. SIN HN-I73 dated 2 November 1981. Breda Nardi Bollettino Tccnico BN-SOO-19 and BN-500-S9 rev.A. FAA AD 86-20-07.
Remarks Comments regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA;
E-mail: ADs [at] easa.europa [dot] eu

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