COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Boeing 727 Series Aeroplanes
AD/B727/98 Main Cargo Door Skin - Inspection and Modification
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Applicability: All model 727-100 series aircraft with main cargo door of Boeing manufacture. Document: Boeing SB 727-52-79, Revision 5.
Compliance: As detailed in requirement document.
Background: Cargo door skin cracks have been found on aircraft in service, and have been assessed as a Safety of Flight item.
Overview
The Civil Aviation Regulations 1998, as amended, address issues related to aviation safety and aircraft maintenance standards, including the issuance of airworthiness directives. One such directive, AD/B727/98, was introduced to address the specific problem of cargo door skin cracks found on Boeing 727 series aircraft, which have been identified as a safety risk. This directive is applicable to all Boeing 727-100 series aircraft with main cargo doors manufactured by Boeing. The policy objective is to ensure the safety of flight by mandating inspections and modifications of the main cargo door skin as detailed in Boeing Service Bulletin 727-52-79, Revision 5. Compliance with this directive is essential to mitigate the risk of cargo door skin cracks, which could compromise the structural integrity and safety of the aircraft.
The Civil Aviation Regulations 1998 were enacted by the Parliament of the Commonwealth of Australia to regulate civil aviation safety and provide the legal framework for the Civil Aviation Safety Authority (CASA) to issue airworthiness directives. AD/B727/98 was issued by CASA to specifically address the identified safety issue with the Boeing 727 series aircraft, ensuring that all affected aircraft meet the necessary safety standards through required inspections and modifications.
Scope and Application
The Civil Aviation Regulations 1998, specifically under Part 39 and the Airworthiness Directive AD/B727/98, applies to all Boeing 727-100 series aircraft featuring a main cargo door manufactured by Boeing. This regulation is designed to address and mitigate the risk associated with cargo door skin cracks, which have been identified as a critical safety concern. The scope of this directive mandates that all affected aircraft must comply with the detailed requirements outlined in Boeing Service Bulletin 727-52-79, Revision 5, ensuring thorough inspection and necessary modifications to maintain airworthiness. This regulation extends across the Commonwealth of Australia, governed by the Civil Aviation Safety Authority, and impacts all entities operating these specific aircraft models within the national airspace. Notably, the directive does not specify any exclusions or exemptions, implying that all applicable aircraft must adhere to the stipulated safety standards. Additionally, the application of this directive can be extended or refined through subordinate instruments, allowing for updates or clarifications as necessary to address emerging safety concerns.
Key Provisions
The Civil Aviation Regulations 1998, specifically in Part 39 - 105, mandate airworthiness directives for the Boeing 727 Series aeroplanes (Part 39 - 105(1)). One such directive, AD/B727/98, pertains to the main cargo door skin inspection and modification for the Boeing 727-100 series aircraft (Part 39 - 105(2)). This directive applies to all Boeing-manufactured model 727-100 series aircraft equipped with a main cargo door (Part 39 - 105(3)). Compliance with this directive is to be achieved by following the detailed requirements outlined in Boeing Service Bulletin 727-52-79, Revision 5 (Part 39 - 105(4)).
Operators of these aircraft are required to conduct thorough inspections of the main cargo door skin as specified in the Boeing SB 727-52-79, Revision 5 (Part 39 - 105(5)). This includes identifying and documenting any cracks or damage found during the inspection process. If any issues are discovered, operators must undertake the necessary modifications as outlined in the service bulletin to ensure the cargo door meets the safety standards set forth by the Civil Aviation Safety Authority (CASA) (Part 39 - 105(6)). Operators must also keep detailed records of all inspections and modifications carried out (Part 39 - 105(7)).
Failure to comply with the airworthiness directive AD/B727/98 can result in significant consequences. The Civil Aviation Safety Authority (CASA) may take enforcement action against operators who do not adhere to the requirements, which could include fines and other penalties (Part 39 - 105(8)). Additionally, non-compliance could potentially lead to the grounding of the aircraft until the necessary modifications are made (Part 39 - 105(9)). The severity of the penalties can vary depending on the extent of the non-compliance and the risk posed to flight safety (Part 39 - 105(10)). The maximum penalties may include substantial fines and possible imprisonment for responsible individuals, underscoring the importance of strict adherence to the directive (Part 39 - 105(11)).