2024-22321. Airworthiness Directives; DG Aviation GmbH (Type Certificate Previously Held by DG Flugzeugbau GmbH) Gliders

Estimated Costs

Action	Labor cost	Parts cost	Cost per product	Cost on U.S. operators
Revise glider maintenance manual (Group 1 and Group 2 gliders)	1 work-hour × $85 per hour = $85	$0	85	8,585.
Perform operational check of the free play adjustment of the automatic elevator hook-up (Group 1 and Group 2 gliders)	1 work-hour × $85 per hour = $85	0	85	8,585.
Replace the elevator pushrod end (Group 1 gliders)	2 work-hours × $85 per hour = $170	100	270	7,020 (26 gliders).

The FAA estimates the following costs to do any necessary elevator roller replacement (both Group 1 and Group 2 gliders) or elevator rod replacement (Group 2 gliders) that would be required based on the results of the operational check. The agency has no way of determining the number of gliders that might need these replacements:

On-Condition Costs

Action	Labor cost	Parts cost	Cost per product
Replace the elevator roller with a new one and adjust free play (Group 1 and Group 2 gliders)	2 work-hours × $85 per hour = $170	150	320
Replace the elevator pushrod end (Group 2 gliders)	2 work-hours × $85 per hour = $170	100	270