Commonwealth legislation

AD/DO-27/6 - Fuel and Oil Hose Assemblies - Inspection

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive requires owners/operators of Dornier DO‑27 aeroplanes fitted with German Standard LN9226 fuel/oil hoses with Technochemie end fittings (installed or supplied by Dornier between 1 Dec 1964 and 1 Sep 1965 and not returned to Dornier) to inspect those hose assemblies for internal damage and bore obstruction, following Dornier Technical Bulletin No. 27‑29 Second Edition. Inspections must meet the deadlines in the AD: installed hoses within 100 hours after 2 Nov 1967; spare hoses before installation and once within their first 100 hours.

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AD/DO-27/6 - Fuel and Oil Hose Assemblies - Inspection

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Dornier DO-27 Series Aeroplanes

AD/DO-27/6 Fuel and Oil Hose Assemblies - Inspection NK

Applicability: All Dornier DO-27 series aeroplanes equipped with German Standard LN9226 fuel and oil system hoses that:

(a) have Technochemie end fittings,

(b) were installed or supplied as spares by the Dornier factory between 1 December 1964 and 1 September 1965; and

(c) have not subsequently been returned to Dornier for checking.

Requirement: Inspect affected fuel and oil system hose assemblies for internal damage and obstruction of the bore as specified in Dornier TB No. 27-29 Second Edition. German AD No. 65-85 also refers to this subject.

Note: Dornier TB No. 28-26A provides information on the means of identification of Technochemie end fittings.

Compliance: Installed hoses: Unless already accomplished subsequent to 1 September 1965, within the next 100 hours time in service after 2 November 1967.

Spare hoses: Before installation and repeat once within the first 100 hours time in service.

Source text

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

1 AD/DO-27/6 - Fuel and Oil Hose Assemblies - Inspection