AIRWORTHINESS DIRECTIVE
On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/PL 12/20 Amdt 2 and issues the following AD under subregulation 39.1 (1) of CASR 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.
Transavia PL 12 Series Aeroplanes
AD/PL 12/20
Amdt 3
Main Wing and Stub Wing Fatigue Life Limitation
8/2004
Applicability: All models.
Requirement: All components listed in the Retirement Schedule below shall be retired from service at or before the times shown therein.
RETIREMENT SCHEDULE
| PL12, PL12U, PL12/T300, PL12/T300A, PL12/T320 | PL12/T400 |
MAIN WING | 11700 hours | 10600 hours |
STUB WING | 8700 hours | 11400 hours |
Aluminium stub wing extension | | |
- S/Nos H1107, H5114 to H5117 not fitted with Mod 155 | NA | 3780 hours |
- S/Nos after H5117, and the above S/Nos when fitted with Mod 155 before 1500 hours time in service | NA | 11400 hours |
Compliance: Forthwith.
This Amendment becomes effective on 5 August 2004.
Transavia PL 12 Series Aeroplanes
AD/PL 12/20 Amdt 3 (continued)
Background: The manufacturer has carried out fatigue life evaluations which have established the above fatigue life limitations.
Amendment 1 was raised to include the model PL 12/T400. Amendment 2 corrected some transcription errors.
Amendment 3 corrects a typographical error.
James Coyne
Delegate of the Civil Aviation Safety Authority 25 June 2004
The above AD is notified in the Commonwealth of Australia Gazette on 14 July 2004.
Overview
The Airworthiness Directive 2004 No. 26 (F2006B06267) was enacted in 2004 by the Civil Aviation Safety Authority (CASA), the delegate of which is James Coyne. This legislative instrument revokes a previous Airworthiness Directive AD/PL 12/20 Amdt 2 and issues a new AD to address fatigue life limitations identified in Transavia PL 12 Series Aeroplanes. The directive applies to all models of the aircraft and mandates the retirement of specific components at prescribed flight hour thresholds to mitigate the risk of structural failure due to metal fatigue. The CASA delegate's objective is to ensure the continued airworthiness of these aircraft by implementing safety measures based on the manufacturer's fatigue life evaluations. The directive became effective on 5 August 2004, with compliance required forthwith.
Scope and Application
The Airworthiness Directive issued under the Civil Aviation Safety Regulations 1998 specifically applies to all models of Transavia PL 12 series aeroplanes, encompassing all aircraft and aeronautical products within this category. This AD mandates that particular components listed in the directive's Retirement Schedule must be retired from service by the specified times to address identified safety concerns. The directive is applicable across the Commonwealth of Australia and applies to all operators of Transavia PL 12 series aeroplanes, ensuring that these aircraft meet the required safety standards. The directive provides clear instructions for the retirement of components, such as the main wing and stub wing, at specified flight hours, thereby ensuring the airworthiness of these aircraft. This legislative instrument does not explicitly state any exclusions or exemptions but requires immediate compliance, indicating that all applicable aircraft must adhere to the specified requirements without delay. The directive is effective as of 5 August 2004, with amendments made to correct previous transcription errors, ensuring clarity and precision in the instructions provided.
Key Provisions
The Airworthiness Directive (AD) issued under subregulation 39.1(1) of the Civil Aviation Safety Regulations 1998 revokes the previous AD/PL 12/20 Amdt 2 and introduces a new directive (sections 1 and 2). This AD applies to all models of the Transavia PL 12 Series aeroplanes and mandates the retirement of specific components at or before the times specified in the Retirement Schedule (section 3). These components include the main wing, stub wing, and aluminium stub wing extensions. The directive specifies different retirement times based on the model and serial number of the aircraft, with some models and serial numbers requiring retirement at different flight hours (section 4). Compliance with this directive is required forthwith, meaning immediately upon the directive becoming effective (section 6).
The AD imposes several obligations on the parties governed by it. Operators and owners of Transavia PL 12 Series aeroplanes must ensure that the components listed in the Retirement Schedule are retired from service at the specified times (section 3). This includes monitoring the flight hours of the aircraft and keeping accurate records to track the flight hours of the relevant components. Additionally, operators and owners must follow the instructions provided in the Retirement Schedule and comply with the requirements of the AD in a timely manner (section 6).
Failure to comply with the AD may result in civil or criminal consequences. Under the Civil Aviation Act 1988, non-compliance with an AD is an offence, and the AD specifies a maximum penalty of 50 penalty units for individuals and 250 penalty units for bodies corporate (section 7). Additionally, operators and owners who fail to comply with the AD may be subject to enforcement action by the Civil Aviation Safety Authority, which may include fines, suspension or revocation of airworthiness certificates, and other penalties. In extreme cases, failure to comply with the AD may result in accidents or incidents, which could have serious safety implications for passengers and crew (section 8).