2025-00138. Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes

Estimated Costs

Action	Labor cost	Parts cost	Cost per product	Cost on U.S. operators
Inspecting and disabling grounding receptacles	64 work-hours × $85 per hour = $5,440	$83	$5,523	$1,303,428

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

On-Condition Costs

Action	Labor cost	Parts cost	Cost per product
Repair	12 work-hours × $85 per hour = $1,020	$83	$1,103
Replacement	35 work-hours × $85 per hour = $2,975	926	3,901