Commonwealth legislation

AD/ECUREUIL/30 - Main Rotor Sleeve Beams

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

What it does: This directive orders operators of Eurocopter AS 350 helicopters to inspect the main rotor sleeve beams (the structural components that hold the rotor blades to the hub) for dangerous cracks.

Who it affects: Anyone operating AS 350 model helicopters (also known as Ecureuil or Squirrel helicopters)—including charter companies, emergency services, police, and private owners.

What must be done: If you notice sudden or repeated blade tracking problems (when rotor blades aren't rotating in the same smooth plane), you must inspect the sleeve beams before the next flight. The inspection must follow the manufacturer's Service Bulletin 01.16 (a technical instruction manual from the maker).

Why it matters: The manufacturer reported cracks forming in the blade attachment areas. These cracks could weaken the rotor system and potentially cause catastrophic rotor failure during flight.

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AD/ECUREUIL/30 - Main Rotor Sleeve Beams

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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 350 (Ecureuil) Series Helicopters

AD/ECUREUIL/30 Main Rotor Sleeve Beams 5/86

Applicability: All model AS 350 helicopters.

Requirement: Inspect the Main Rotor Sleeve Beams in accordance with Aerospatiale Telex Service Bulletin 01.16.

Compliance: Before the next flight following discovery of a sudden or repeated blade tracking problem.

Background: The manufacturer reports cracking in the blade attachment area of the main rotor sleeve beams.

Source text

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