Commonwealth legislation

AD/AS 355/47 Amdt 1 - MGB Suspension Bi-Directional Cross Beam

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This airworthiness directive requires owners/operators of Eurocopter AS 355 (E, F, F1, F2, N) helicopters fitted with a specific MGB suspension cross beam (P/N 350A38.1018) to carry out the inspection/repair actions set out in the manufacturer’s service bulletin. It applies to assemblies without Mod No. 072720 and must be complied with within 30 flight hours after 4 September 1996. The amendment narrows which assemblies are covered and points operators to the definitive service instructions.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/AS 355/47 Amdt 1 - MGB Suspension Bi-Directional Cross Beam.

AD/AS 355/47 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

View image in the official source
Eurocopter AS 355 (Twin Ecureuil) Series Helicopters

AD/AS 355/47

Amdt 1

MGB Suspension Bi-Directional Cross Beam 9/97

Applicability: Model AS 355, versions E, F, F1, F2, and N, fitted with a MGB suspension bi- directional cross beam P/N 350A38.1018, all dash numbers installed 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 AS 355 SB 05.00.29.

Note: DGAC AD 96-155-053(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/AS 355/47 Amdt 1 - MGB Suspension Bi-Directional Cross Beam