2024-24964. Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG

Estimated Costs

Action	Labor cost	Parts cost	Cost per product	Cost on U.S. operators
Inspect IPC shaft assembly	5 work-hours × $85 per hour = $425	$0	$425	$27,200

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
Replace IPC shaft assembly front air seals	80 work-hours × $85 per hour = $6,800	$7,000	$13,800