Commonwealth legislation

AD/LTS/4 Amdt 1 - Gas Producer Turbine

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Commonwealth

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legislative instrument

Plain English Summary

4/10 complexity

This Airworthiness Directive requires owners/operators of Lycoming LT101 turbine engines without metal blade dampeners to install specified improved Gas Producer Turbine rotor assemblies (listed part numbers) following Lycoming Service Bulletin LT 101-72-50-0079 Rev.1.

Compliance differs by model: LT101-700 engines must be retrofitted by a combination of operating-hour and calendar deadlines; LT101-600 engines must comply per the Service Bulletin. Owners pay for parts and installation; CASA enforces the mandate and references FAA AD 86-10-04.

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AD/LTS/4 Amdt 1 - Gas Producer Turbine

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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AlliedSignal (Lycoming) Turbine Engines - LTS 101 Series

AD/LTS/4

Amdt 1

Gas Producer Turbine 9/86

Applicability: All LT101 engines with G.P. Turbine Rotor assemblies which do not have metal blade dampeners incorporated.

Requirement: Install improved Gas Producer Turbine Rotor assemblies P/N 4-111-050 -37/-38/ - 39/-40/-41/-42/-43/-44/-45/-46/-47/-49/-50 and -51 in accordance with Lycoming Service Bulletin No. LT 101-72-50-0079 Rev. 1.

Note: FAA AD 86-10-04 Amdt 39-5299 refers.

Compliance: 1. For LT101-700 Series engines: Prior to G.P. Turbine achieving 300 total operating hours in service or within 200 turbine operating hours after 27 January 1986 whichever is the greater but not later than 31 October 1986.

For LT101-600 Series engines: In accordance with the Requirement Document. Background: This Directive is amended to reflect the manufacturer's Revision 1 to SB LT 101-72-

50-0079 and to reference FAA AD 86-10-04 Amdt 39-5299. The FAA AD has tightened the manufacturer's compliance statement by imposing a calendar time limit for embodiment. This Directive is amended to incorporate a latest date for embodiment and add additional gas producer turbines by Pt/No.

Source text

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

1 AD/LTS/4 Amdt 1 - Gas Producer Turbine