Commonwealth legislation

AD/A119/1 Amdt 2 - Tail Rotor Blades

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legislative instrument

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This Airworthiness Directive requires operators of Agusta A119 helicopters fitted with tail rotor blades part number 109-8132-01-107 to carry out specified recurring inspections, to retire -107 blades after 50 flight hours, and to replace them with part number 109-8132-01-111 (which have a 1,000‑hour life) by 31 December 2001. The CASA delegate issued the instruction; affected operators must perform inspections per Agusta Alert Service Bulletins, record compliance on the Maintenance Release, and bear the cost of inspection and replacement.

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AD/A119/1 Amdt 2 - Tail Rotor Blades

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source
View image in the official source
Agusta A119 Series Helicopters

AIRWORTHINESS DIRECTIVE

View image in the official source

View image in the official source
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/A119/1 Amdt 1 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

AD/A119/1

Amdt 2

Tail Rotor Blades 13/2001 DM

Applicability: All A119 helicopters with tail rotor blades part number 109-8132-01-107 installed.

Requirement: 1. Inspect in accordance with Parts I, II and III of Agusta Alert Service Bulletin No. 119-1 Revision A, dated 22 August 2001, until Requirement 3 is accomplished.

2. Retire tail rotor blades part number 109-8132-01-107 from service in accordance with Part IV of Agusta Alert Service Bulletin No. 119-1 Revision A, dated 22 August 2001, until compliance with Requirement 3.

3. Replace tail rotor blades part number 109-8132-01-107 with tail rotor blades part number 109-8132-01-111 in accordance with Agusta Alert Service Bulletin No. 119-2, dated 20 September 2001.

Note 1: Tail rotor blades part number 109-8132-01-111 have a retirement life of 1,000 flight hours.

Note 2: Italian ENAC AD 2001-426 refers.

Compliance: 1. For Part I: Before each flight and at each airworthiness check.

For Part II: Within 10 flight hours after 11 April 2001, and thereafter at intervals not to exceed 10 flight hours; and at each abnormal increase in vibration level.

For Part III: Within 25 flight hours after 11 April 2001, and thereafter at intervals not to exceed 25 flight hours.

2. Upon accumulating 50 flight hours.

3. Before 31 December 2001, unless already accomplished.

The compliance times of the previous issue of this Directive remain unchanged for Requirements 1 and 2.

This Directive shall be entered on the Maintenance Release as maintenance required. The visual inspection required by Part I of the Requirement Document may be performed by the Pilot in Command. In which case, a copy of the Requirement Document and this Directive is to be carried in the aircraft.

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

This amendment becomes effective on 21 November 2001.

Background: The Italian ENAC requires inspections for possible cracks on the upper and lower sides of certain tail rotor blades.

Amendment 1 was issued following discovery of a cracked TRB on an Australian Aircraft, prompting ENAC to introduce a 50 hour life on the -107 blade.

Amendment 2 is issued in response to a new ENAC AD which introduces new improved replacement tail rotor blades.

Amendment 1 of this Airworthiness Directive became effective on 7 September 2001. The original issue of this Airworthiness Directive became effective on 11 April 2001.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 14 November 2001

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 21 November 2001.

Source text

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

1 AD/A119/1 Amdt 2 - Tail Rotor Blades

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

Agusta A119 Series Helicopters

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/A119/1 Amdt 1 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

AD/A119/1

Amdt 2

Tail Rotor Blades 13/2001 DM

Applicability: All A119 helicopters with tail rotor blades part number 109-8132-01-107 installed.

Requirement: 1. Inspect in accordance with Parts I, II and III of Agusta Alert Service Bulletin No. 119-1 Revision A, dated 22 August 2001, until Requirement 3 is accomplished.

2. Retire tail rotor blades part number 109-8132-01-107 from service in accordance with Part IV of Agusta Alert Service Bulletin No. 119-1 Revision A, dated 22 August 2001, until compliance with Requirement 3.

3. Replace tail rotor blades part number 109-8132-01-107 with tail rotor blades part number 109-8132-01-111 in accordance with Agusta Alert Service Bulletin No. 119-2, dated 20 September 2001.

Note 1: Tail rotor blades part number 109-8132-01-111 have a retirement life of 1,000 flight hours.

Note 2: Italian ENAC AD 2001-426 refers.

Compliance: 1. For Part I: Before each flight and at each airworthiness check.

For Part II: Within 10 flight hours after 11 April 2001, and thereafter at intervals not to exceed 10 flight hours; and at each abnormal increase in vibration level.

For Part III: Within 25 flight hours after 11 April 2001, and thereafter at intervals not to exceed 25 flight hours.

2. Upon accumulating 50 flight hours.

3. Before 31 December 2001, unless already accomplished.

The compliance times of the previous issue of this Directive remain unchanged for Requirements 1 and 2.