Commonwealth legislation

AD/DO 328/7 - Relays 32HB and 36HB

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Requires replacement of relays 32HB and 36HB (P/N DON405M520U5NL) with relays 2504MY1 on Dornier 328-100 aeroplanes, serial numbers 3005–3089, following Dornier Service Bulletin SB-328-21-218. (Requirement; Applicability)

Operators/owners must complete the change within 30 days of the directive’s effective date and are responsible for parts, labour and scheduling. The stated safety reason is relay overheating under high electrical loads. (Compliance; Background)

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Current sections

Direct links to the current provisions in AD/DO 328/7 - Relays 32HB and 36HB.

Dornier 328 Series Aeroplanes

AD/DO 328/7	Relays 32HB and 36HB	1/2006

Applicability:	Model 328-100 aeroplanes with serial numbers 3005 to 3089 inclusive.
Requirement:	If not previously accomplished, replace relays 32HB and 36HB part number (P/N) DON405M520U5NL with new relays 2504MY1 in accordance with the Accomplishment Instructions of Dornier Service Bulletins SB-328-21-218, dated 2 July 1997.
	Note: LBA AD 97-323 refers.
Compliance:	Within 30 days after the effective date of this Directive.
	This Airworthiness Directive becomes effective on 19 January 2006.
Background:	The existing relay, when exposed to high electrical loads, overheats beyond its permissible operating range.

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James Coyne
Delegate of the Civil Aviation Safety Authority

29 November 2005

AD/DO 328/7

Relays 32HB and 36HB

1/2006

Source text

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

Dornier 328 Series Aeroplanes Dornier 328 Series Aeroplanes

Dornier 328 Series Aeroplanes

AD/DO 328/7	Relays 32HB and 36HB	1/2006

Applicability:	Model 328-100 aeroplanes with serial numbers 3005 to 3089 inclusive.
Requirement:	If not previously accomplished, replace relays 32HB and 36HB part number (P/N) DON405M520U5NL with new relays 2504MY1 in accordance with the Accomplishment Instructions of Dornier Service Bulletins SB-328-21-218, dated 2 July 1997.
	Note: LBA AD 97-323 refers.
Compliance:	Within 30 days after the effective date of this Directive.
	This Airworthiness Directive becomes effective on 19 January 2006.
Background:	The existing relay, when exposed to high electrical loads, overheats beyond its permissible operating range.

AD/DO 328/7 - Relays 32HB and 36HB

Plain English Summary

Deep dive

Current sections

Dornier 328 Series Aeroplanes

Dornier 328 Series Aeroplanes

AD/DO 328/7

AD/DO 328/7

Relays 32HB and 36HB

Relays 32HB and 36HB

1/2006

1/2006

Source text

Dornier 328 Series Aeroplanes Dornier 328 Series Aeroplanes

Dornier 328 Series Aeroplanes

AD/DO 328/7 AD/DO 328/7

AD/DO 328/7

Relays 32HB and 36HB Relays 32HB and 36HB

Relays 32HB and 36HB

1/2006 1/2006

1/2006