AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (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.
Boeing 717 Series Aeroplanes
AD/B717/16 Cargo Restraint Strap Assemblies 1/2005
DM
Applicability: Model 717 series aircraft, on which cargo restraint strap assemblies part number 1519-MCIDS have been installed per Supplemental Type Certificate (STC) ST01004NY.
Requirement: Revise the Limitations Section of the Aircraft Flight Manual (AFM), and the cargo- loading procedures of the Weight and Balance Manual (WBM), to include the following information (this may be accomplished by inserting a copy of this Directive into the AFM and the WBM):
“Discontinue the use of STC ST01004NY to install Airline Container Manufacturing Company Inc., cargo restraint straps, part number 1519-MCIDS, as the only means of securing cargo to Technical Standard Order (TSO) C90c/NAS3610 pallets. Such cargo restraint straps may continue to be used a supplemental restraints to secure cargo to TSO C90c/NAS3610 pallets, or to the cargo restraint fittings in the aircraft floor, per the aircraft manufacturer’s weight and balance manuals, and within the strap rated load (5,000 lbs).”
Note 1: If the above statement has been incorporated into the general revisions of the AFM and the WBM, the general revisions may be incorporated into the AFM and WBM, and the copy of this Directive may then be removed from the AFM and WBM.
Note 2: FAA AD 2004-22-01 Amdt 39-13829 refers.
Compliance: Within 14 days after 1 December 2004.
This Airworthiness Directive becomes effective on 1 December 2004.
Boeing 717 Series Aeroplanes
AD/B717/16 (continued)
Background: The actions specified by this Directive are intended to prevent shifting or unrestrained cargo in the cargo compartment, which could cause an unexpected change in the aircraft’s centre of gravity, damage to the aircraft structure and/or flight control system, a hazard to the flightcrew, and/or possible loss of controllability of the aircraft.
David Villiers
Delegate of the Civil Aviation Safety Authority 24 November 2004
The above AD is notified in the Commonwealth of Australia Gazette on 1 December 2004.
Overview
The Civil Aviation Safety Authority (CASA) issued Airworthiness Directive AD/B717/16 in December 2004, focusing on cargo restraint strap assemblies for the Boeing 717 series aeroplanes. This directive was enacted to address safety concerns related to cargo restraint straps installed under Supplemental Type Certificate (STC) ST01004NY, which could lead to shifting or unrestrained cargo, potentially causing hazardous situations such as unexpected changes in the aircraft’s centre of gravity, structural damage, and loss of control. The directive aims to ensure that cargo restraint procedures are accurately documented in the Aircraft Flight Manual (AFM) and Weight and Balance Manual (WBM), mandating updates to explicitly state that STC ST01004NY should no longer be used as the sole method for securing cargo to certain pallets, while still allowing the use of these straps as supplemental restraints under specific conditions. Compliance with this directive is required within 14 days of its effective date, 1 December 2004.
Scope and Application
This Airworthiness Directive issued by a delegate of the Civil Aviation Safety Authority (CASA) applies specifically to Boeing 717 series aeroplanes that have had cargo restraint strap assemblies, part number 1519-MCIDS, installed in accordance with Supplemental Type Certificate (STC) ST01004NY. The purpose of this directive is to address safety concerns associated with the use of these cargo restraint strap assemblies, which can lead to shifting or unrestrained cargo, potentially causing significant issues such as unexpected changes in the aircraft's centre of gravity, damage to the aircraft structure and flight control system, hazards to the flight crew, and possible loss of controllability. The directive mandates that the Aircraft Flight Manual (AFM) and the Weight and Balance Manual (WBM) be revised to incorporate specific instructions regarding the continued use of these cargo restraint strap assemblies. The directive is effective from 1 December 2004, with compliance required within 14 days of this date. This Airworthiness Directive applies nationwide within the Commonwealth of Australia.
Key Provisions
This Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) applies to Boeing 717 series aircraft that have cargo restraint strap assemblies part number 1519-MCIDS installed as per Supplemental Type Certificate (STC) ST01004NY (AD/B717/16, section 1). The directive mandates that the Limitations Section of the Aircraft Flight Manual (AFM) and the cargo-loading procedures of the Weight and Balance Manual (WBM) be revised. Specifically, it requires the inclusion of a statement discontinuing the use of STC ST01004NY for installing Airline Container Manufacturing Company Inc. cargo restraint straps as the sole means of securing cargo to Technical Standard Order (TSO) C90c/NAS3610 pallets. However, these straps may still be used as supplemental restraints under certain conditions, as detailed in the directive (AD/B717/16, section 2).
The AD imposes obligations on the operators of Boeing 717 series aircraft to update their AFM and WBM as specified. Operators must ensure that these manuals include the required revisions by incorporating a copy of the AD into the manuals or by integrating the general revisions of the manuals and then removing the AD copy. The compliance period for these updates is within 14 days after 1 December 2004, and the directive became effective on the same date it was issued (AD/B717/16, section 3). Failure to comply with this AD could result in unsafe conditions that may compromise the aircraft's stability and control, thereby risking flight safety.
The directive does not explicitly mention any specific penalties for non-compliance, but it is implied that failure to adhere to the AD could lead to safety issues. Such issues might result in enforcement actions by CASA, including potential grounding of the aircraft until compliance is achieved. Additionally, any incidents resulting from non-compliance could lead to further investigation and penalties as per other relevant aviation regulations and laws.