Commonwealth legislation

AD/PHZL/37 - Hard Alloy Blades - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

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This AD requires operators and maintenance organisations to inspect specific Hartzell alloy propeller blades identified by an “H” suffix (with some serial-number ranges excluded) if each blade has under 1,000 hours TIS. Inspections must follow Hartzell Service Bulletin No. 105A and be completed within 100 hours TIS after 31 July 1974, imposing scheduling, record-checking and inspection costs on affected operators.

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Current sections

Direct links to the current provisions in AD/PHZL/37 - Hard Alloy Blades - Inspection.

AD/PHZL/37 - Hard Alloy Blades - Inspection

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Propellers - Variable Pitch - Hartzell

AD/PHZL/37 Hard Alloy Blades - Inspection 7/74

Applicability: All blades identified with the letter “H” after the blade design number as follows: T10173H( )-( ), T10176H( )-( ), T10178H( )-( ) and T10282H ( )-( ), excluding the

following Serial numbered propellers:

HC-B3TN-2, S/N AG-275 and above. HC-B3TN-3, S/N BU-4624 and above.

HC-B3TN-5, S/N BV-2210, BV-2213, BV-2214, BV-2216 and above.

HC-B3TN-7, S/N CV-7 and above. HC-B3TF-7, S/N EX-3 and above. HC-B4TN-3, S/N EA-255 and above. HC-B4TN-5, S/N CD-62 and above.

Document: Hartzell SB No. 105A.

Compliance: For blades with less than 1000 hours time in service, within 100 hours time in service after 31 July 1974.

Note: Blades with more than 1000 hours time in service are not affected by this Directive.

Source text

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

1 AD/PHZL/37 - Hard Alloy Blades - Inspection