Commonwealth legislation

AD/BO 105/17 - Main Rotorhead Parts

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires operators of Eurocopter Canada BO 105 LS A-3 helicopters to apply changes to the parts identification list (the “TCI‑List”) and to replace and re‑identify affected main rotorhead parts in accordance with Eurocopter Canada Alert Service Bulletin ASB BO 105 LS 10‑11. The mandated work must be completed within four weeks after 27 September 2007. Mechanically, it forces maintenance organisations and owners to mark or swap parts so each part’s life limit matches the loading it actually experiences; owners/operators bear the parts and labour costs and must record compliance.

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Eurocopter BO 105 Series Helicopters

AD/BO 105/17	Main Rotorhead Parts	10/2007

Applicability:	All Eurocopter Canada model BO 105 LS A-3 helicopters.
Requirement:	Incorporate the changes to the “TCI-List”, in accordance with the Accomplishment Instructions of Eurocopter Canada Alert Service Bulletin No. ASB BO 105 LS 10-11, dated 11 May 2005, or later Transport Canada approved revision.Replace and re-identify affected parts in accordance with Item 1.D. (Compliance) and Item 2. (Accomplishment Instructions) of ASB BO 105 LS 10-11, dated 11 May 2005, or later Transport Canada approved revision.Note: Transport Canada AD CF-2005-17 refers.
Compliance:	Unless already accomplished, within 4 weeks after 27 September 2007.
	This Airworthiness Directive becomes effective on 27 September 2007.
Background:	On various BO 105 types, several structurally identical parts of the same part numbers are being used. However, because these parts are subject to different loadings, their life limitations will vary. Therefore, it is necessary to re-identify these parts and establish their life limits.

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David Villiers
Delegate of the Civil Aviation Safety Authority

13 August 2007

AD/BO 105/17

Main Rotorhead Parts

10/2007

Source text

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

Eurocopter BO 105 Series Helicopters Eurocopter BO 105 Series Helicopters

Eurocopter BO 105 Series Helicopters

AD/BO 105/17	Main Rotorhead Parts	10/2007

Applicability:	All Eurocopter Canada model BO 105 LS A-3 helicopters.
Requirement:	Incorporate the changes to the “TCI-List”, in accordance with the Accomplishment Instructions of Eurocopter Canada Alert Service Bulletin No. ASB BO 105 LS 10-11, dated 11 May 2005, or later Transport Canada approved revision.Replace and re-identify affected parts in accordance with Item 1.D. (Compliance) and Item 2. (Accomplishment Instructions) of ASB BO 105 LS 10-11, dated 11 May 2005, or later Transport Canada approved revision.Note: Transport Canada AD CF-2005-17 refers.
Compliance:	Unless already accomplished, within 4 weeks after 27 September 2007.
	This Airworthiness Directive becomes effective on 27 September 2007.
Background:	On various BO 105 types, several structurally identical parts of the same part numbers are being used. However, because these parts are subject to different loadings, their life limitations will vary. Therefore, it is necessary to re-identify these parts and establish their life limits.

AD/BO 105/17 - Main Rotorhead Parts

Plain English Summary

Deep dive

Current sections

Eurocopter BO 105 Series Helicopters

Eurocopter BO 105 Series Helicopters

AD/BO 105/17

AD/BO 105/17

Main Rotorhead Parts

Main Rotorhead Parts

10/2007

10/2007

Source text

Eurocopter BO 105 Series Helicopters Eurocopter BO 105 Series Helicopters

Eurocopter BO 105 Series Helicopters

AD/BO 105/17 AD/BO 105/17

AD/BO 105/17

Main Rotorhead Parts Main Rotorhead Parts

Main Rotorhead Parts

10/2007 10/2007

10/2007