2024-24370. Airworthiness Directives; Safran Aerosystems (Formerly AVOX Systems Inc.; Scott Aviation) Oxygen Cylinder and Valve Assemblies, and Oxygen Valve Assemblies

Estimated Costs

Action	Labor cost	Parts cost	Cost per product	Cost on U.S. operators
Serial number inspection (retained action from AD 2023-13-11)	1 work-hour × $85 per hour = $85	None	$85	$321,045

The FAA estimates the following costs to do any necessary actions that would be required based on the results of the inspection. The FAA has no way of determining the number of aircraft that might need these actions:

On-Condition Costs

Action	Labor cost	Parts cost	Cost per product
Detailed inspection	1 work-hour × $85 per hour = $85	$0	$85
Replacement	1 work-hour × $85 per hour = $85	*	85
Return of parts	1 work-hour × $85 per hour = $85	** 50	135
* The FAA has received no definitive data on the parts cost for the on-condition replacement.
** The FAA has received no definitive data to provide cost estimates for the on-condition return of parts, except the FAA estimates that it would take about 1 work-hour per product to comply with the associated paperwork necessary for the return of parts and cost approximately $50 to ship.