Commonwealth legislation

AD/ECUREUIL/55 Amdt 1 - MGB Suspension Bi-Directional Cross Beam

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Commonwealth

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legislative instrument

Plain English Summary

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This airworthiness directive requires owners/operators of Eurocopter AS350 (B/BA/B1/B2/D) helicopters fitted with specific MGB suspension cross‑beam parts to follow the manufacturer’s Service Bulletin (EUROCOPTER FRANCE SB No 05.00.28) and complete the required inspection/rectification within 30 flight hours after 4 September 1996. The rule responds to an in‑service crack report; aircraft with Mod No. 072720 already embodied are excluded. Operators pay for and schedule the work; the Civil Aviation Safety Authority enforces compliance.

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Current sections

Direct links to the current provisions in AD/ECUREUIL/55 Amdt 1 - MGB Suspension Bi-Directional Cross Beam.

AD/ECUREUIL/55 Amdt 1 - MGB Suspension Bi-Directional Cross Beam

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Eurocopter AS 350 (Ecureuil) Series Helicopters

AD/ECUREUIL/55

Amdt 1

MGB Suspension Bi-Directional Cross Beam 9/97

Applicability: Model AS 350, versions B, BA, B1, B2, and D, fitted with MGB suspension bi- directional cross beam P/N 350A38.1018, all dash numbers, on the complete cross beam assemblies P/N 350A38.0210, all dash numbers without Mod No. 072720 embodied.

Requirement: Action in accordance with EUROCOPTER FRANCE SB No 05.00.28.

Note: DGAC AD 96-156-071(B)R1 refers.

Compliance: Within 30 hours time in service after 4 September 1996; as applicable. Thereafter as specified in the requirement document.

The initial issue of this directive had effect from 4 September 1996 and the compliance remains unchanged. This amendment has effect from 14 August 1997.

Background: The manufacturer received an in-service report of a crack in the MGB suspension cross beam.

Amendment 1 alters the Applicability to remove certain modified assemblies, and reference the manufacturer’s definitive Service Bulletin.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/ECUREUIL/55 Amdt 1 - MGB Suspension Bi-Directional Cross Beam