2024-21176. Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Estimated Costs for Required Actions

Labor cost	Parts cost	Cost per product	Cost on U.S. operators
3 work-hours × $85 per hour = $255	$0	$255	$62,730.
Up to 9 work-hours × $85 per hour = $765	$366	Up to $1,131	Up to $278,226.

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 *

Labor cost	Parts cost	Cost per product
Up to 9 work-hours × $85 per hour = $765	$366	Up to $1,131.
* The FAA has received no definitive data on which to base the cost estimates for the on-condition optional temporary repair specified in this AD.