2024-21797. Airworthiness Directives; Airbus SAS Airplanes

Estimated Costs for Required Actions

Action	Labor cost	Parts cost	Cost per product	Cost on U.S. operators
Part and serial number inspection	0.5 work-hours × $85 per hour = $42.50 per airplane	$0	$42.50	$298.
Inspection of affected axle	Up to 16 work-hours × $85 per hour = $1,360 per axle, per inspection cycle	0	Up to $1,360 per axle, per inspection cycle	Up to $9,520 per axle, per inspection cycle.

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

Estimated Costs of On-Condition Actions

Action	Labor cost	Parts cost	Cost per product
Repair	Up to 16 work-hours × $85 per hour = $1,360	$0	$1,360.
Axle replacement	Up to 88 work-hours × $85 per hour = $7,480	47,126	$54,606.
Optional replacement of MLG	Up to 48 work-hours × $85 per hour = $4,080	(*)	Up to $4,080.
* The FAA has received no definitive data on which to base the cost estimates for a replacement MLG. The parts cost must be obtained through SAFRAN.