Commonwealth legislation

AD/BELL 206/49 - Hydraulic Servo Actuator Servo Valve Drive Locknut - Inspection

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This Act has been repealed and is no longer in force. It is retained for historical reference.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 this requires: This Airworthiness Directive mandates an inspection of the drive locknut on the hydraulic servo actuator's servo valve for all Bell 206 series helicopters.

Who must comply: Owners and operators of Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 series helicopters (all models).

Action required: Inspect the drive locknut at the next scheduled daily or overnight maintenance inspection. The specific technical procedures are detailed in Bell Service Bulletin No. 206-06-73-2 (and Agusta SB No. BT206-61 where applicable).

Why it exists: This safety directive prevents potential failures in the helicopter's hydraulic flight control system that could compromise airworthiness.

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AD/BELL 206/49 - Hydraulic Servo Actuator Servo Valve Drive Locknut - Inspection

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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 Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters

AD/BELL 206/49 Hydraulic Servo Actuator Servo Valve

Drive Locknut - Inspection

6/73

Applicability: All models.

Document: Bell SB No. 206-06-73-2.

Note: Agusta SB No. BT206-61 refers.

Compliance: At next daily or overnight inspection after 24 May 1973. Background: AD/Agusta 206/35 equivalent.

Source text

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