AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/CESSNA 210/61 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.
Cessna 210 Series Aeroplanes
AD/CESSNA 210/61
Amdt 2
Wing Main Spar Carry-Through Section 4/2001
Applicability: All models with cantilever (unstrutted) wings.
Requirement: 1. Gain access to the upper and lower surfaces of the wing carry through forging.
2. Inspect the whole wing carry-through forging for any indications of corrosion. Repairs to the wing carry-through forging shall be in accordance with a scheme approved by the Authority.
Compliance: For the initial inspection, upon accumulating 10 years time in service since manufacture. Thereafter at intervals not to exceed 6 years, or, if the spar carry- through has been subjected to an approved corrosion protection scheme, at intervals not to exceed 12 years.
This amendment becomes effective on 19 April 2001.
Background: There have been reports of corrosion in the wing spar carry-through forging on a number of aircraft. In two cases the corrosion was sufficiently advanced to adversely affect the structural integrity of the wing.
Amendment 1 reflected the reported results from the initial issue of this Directive which enabled a reduction in the initial compliance time and an extension of the repeat inspection period.
Amendment 2 is issued to clarify the compliance requirements from the previous issue. This amendment does not impose any further technical requirements.
Cessna 210 Series Aeroplanes
AD/CESSNA 210/61 Amdt 2 (Continued)
The Original issue of this Airworthiness Directive became effective on 20 April 1989. Amendment 1 of this Airworthiness Directive became effective on 4 October 1990.
David Alan Villiers
Delegate of the Civil Aviation Safety Authority 5 March 2001
The above AD is notified in the Commonwealth of Australia Gazette on 21 March 2001.
Overview
The Airworthiness Directive (AD) AD/CESSNA 210/61 Amdt 2, enacted in 2001, was introduced by the Civil Aviation Safety Authority (CASA) to address the problem of corrosion in the wing spar carry-through forging of Cessna 210 series aeroplanes, which had been identified as potentially compromising the structural integrity of the aircraft. This legislative instrument revokes a previous AD and amends the compliance requirements to ensure that inspections are conducted more frequently to detect and address corrosion in a timely manner. The policy objective is to enhance aviation safety by requiring regular inspections and approved repairs for the identified unsafe condition.
The AD applies to all models of Cessna 210 series aeroplanes with cantilever wings and mandates that inspections for corrosion of the wing carry-through forging be conducted after 10 years from the aircraft's manufacture, and subsequently at intervals not exceeding six years, or twelve years if a corrosion protection scheme has been implemented. This amendment, effective from 19 April 2001, was issued to clarify and streamline the compliance requirements, building on the findings from the initial directive and its first amendment, without introducing additional technical specifications.
Scope and Application
The Airworthiness Directive (AD) AD/CESSNA 210/61 Amdt 2 applies to all Cessna 210 series aeroplanes with cantilever (unstrutted) wings. The directive is issued by the Civil Aviation Safety Authority (CASA) and is intended to address issues of structural integrity related to corrosion in the wing main spar carry-through section. The AD requires an inspection of the wing carry-through forging for signs of corrosion, with specific intervals for compliance based on the aircraft's time in service. For the initial inspection, this must occur after 10 years of service, with subsequent inspections to be conducted at intervals not exceeding six years. If an approved corrosion protection scheme has been applied, the inspection interval can be extended to not more than twelve years. The directive is effective as of 19 April 2001 and aims to ensure that any identified corrosion is rectified in accordance with a scheme approved by the Authority. The AD applies nationwide within the Commonwealth of Australia and is applicable to all relevant aircraft irrespective of the operator or location of operation. There are no specific exclusions or exemptions mentioned within the text of the AD, although compliance is subject to CASA’s overarching regulations and requirements.
Key Provisions
The Airworthiness Directive AD/CESSNA 210/61 Amdt 2 applies to all models of Cessna 210 Series Aeroplanes with cantilever (unstrutted) wings. The directive, issued by the Civil Aviation Safety Authority (CASA) delegate, requires specific actions to address corrosion issues in the wing main spar carry-through section. The requirement is to gain access to both the upper and lower surfaces of the wing carry-through forging and inspect it for any signs of corrosion. Any necessary repairs must adhere to a scheme approved by the Authority (sections 1 and 2). The initial inspection must be performed after the aircraft accumulates 10 years of service since manufacture, with subsequent inspections required at intervals not exceeding six years, or twelve years if an approved corrosion protection scheme has been applied to the spar carry-through (section 3).
The obligations imposed by this directive are primarily on the owners and operators of the affected aircraft. They must ensure that the specified inspections and repairs are conducted by qualified personnel and in accordance with the directive's requirements. This involves scheduling inspections at the prescribed intervals, documenting the findings and any actions taken, and maintaining records of compliance. The directive also mandates that any repairs to the wing carry-through forging must follow an approved scheme, ensuring that the work is performed to a standard that maintains the aircraft's airworthiness.
Breach of this directive can lead to significant consequences. Failure to comply with the inspection and repair requirements may result in the aircraft being deemed unairworthy, which could prevent it from being operated until the deficiencies are rectified. From a legal perspective, non-compliance can be considered an offence under the Civil Aviation Act 1988. The penalties for such offences may include substantial fines and, in severe cases, imprisonment. The exact penalties are determined by the court based on the specific circumstances of the breach, but they can be significant given the safety implications of the directive.