AD 2024-20-04: Various Helicopters

What the FAA requires

The FAA is superseding Airworthiness Directive (AD) 2024-01- 11, which applied to all helicopters with certain Pacific Scientific Company rotary buckle assemblies (buckles) installed. AD 2024-01-11 required inspecting the buckle screws and, depending on the results, reidentifying the buckle, replacing the screws and reidentifying the buckle, or replacing the buckle. AD 2024-01-11 also prohibited installing certain buckles. This AD retains the requirements of AD 2024-01-11, expands the applicability, and updates the referenced material. As an option to the actions required by this AD, this AD allows removing the male side from the lap of the restraint system assembly and installing a placard stating that use of the seat is prohibited; use of that crewmember seat or passenger seat is then prohibited until the actions required by the AD are accomplished and the male side from the lap of the restraint system assembly is reinstalled. This AD was prompted by a manufacturing defect in the screws used inside the buckle. The FAA is issuing this AD to address the unsafe condition on these products.

Read the full directive on the Federal Register →

Applicability

Product Type Airbus India Private Limited requested clarification regarding whether AD 2024-01-11 is a rotorcraft or appliance AD and provided images from the FAA's Dynamic Regulatory System website (DRS), which is the website that stores ADs and other regulatory and guidance material, that show the product type as appliance and the product subtype as rotorcraft. An anonymous commenter suggested the FAA specify in the SUMMARY section in the preamble and the Applicability paragraph of the rule portion that the AD is an appliance AD. AD 2024-01-11 applied to rotorcraft with a specific appliance installed. Regarding the information in DRS listing the product type as appliance and the product su

Part numbers this directive names (4)

Extracted from the directive text. For each: the NSN cross-reference where one exists, sellers listing it here, and open DLA solicitations on the NSN.