2024-27659. Airworthiness Directives; Pratt & Whitney Canada Corp. Engines

Estimated Costs

Action	Labor cost	Parts cost	Cost per product	Cost on U.S. operators
BSI of gas generator case to turbine support case retaining bolts	2 work-hours × $85 per hour = $170	$0	$170	$177,140

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

On-Condition Costs

Action	Labor cost	Parts cost	Cost per product
Replacement of the gas generator case to turbine support case retaining bolts	4 work-hours × $85 per hour = $340	$4,500	$4,840