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Airworthiness Directive

AD 2021-03-06: Main Rotor Gearbox

Airworthiness Directives; Airbus Helicopters

Effective
Apr 1, 2021
Published
Feb 25, 2021
Registered aircraft
3

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Aircraft

  • Airbus Helicopters EC 155B1
  • Only with: Equipped with magnetic plugs P/N 1B7807 or P/N 704A34543017 (electrical), or P/N 365A32-1711-00 (non-electrical), installed in the main gearbox (MGB) pump intake.
  • Only with: Equipped with magnetic plugs P/N 1B7807 or P/N 704A34543017 (electrical), or P/N 365A32-1711-00 (non-electrical), installed in the main gearbox (MGB) pump intake.

Applicability

From the AD text
This AD applies to Airbus Helicopters Model SA-365N, SA-365N1, AS-365N2, AS 365 N3, EC 155B, and EC155B1 helicopters, certificated in any category, equipped with magnetic plugs, part number (P/N) 1B7807 or P/N 704A34543017 (electrical), or P/N 365A32-1711-00 (non-electrical), as applicable, installed in the main gearbox (MGB) pump intake.

Read the AD in the Federal RegisterReport an error on this page