Embraer Jets Get Bolt and Washer Safety Mandate from FAA
Published Date: 2/24/2026
Rule
Summary
If you own or operate certain Embraer EMB-505 airplanes, this new FAA rule updates how you handle a tricky part called the clutch retaining bolt and washer on the aileron autopilot servo mount. Starting March 31, 2026, some planes need an extra initial fix, and there’s now an option to stop repeating the repairs. This keeps flights safer without breaking the bank or causing big delays.
Analyzed Economic Effects
6 provisions identified: 3 benefits, 2 costs, 1 mixed.
Optional Terminating Action Available
The AD provides an optional terminating action: replace the cable guard, clutch cartridge, bolt, and washer with new parts to stop the repetitive replacements. The FAA estimates the one-time cost per airplane for this terminating action at $810 (6 work-hours at $85/hr = $510 labor plus $300 parts).
Repetitive Bolt-and-Washer Replacements Required
If you own or operate an Embraer EMB-505 with serial numbers listed in this AD, you must follow repetitive replacements of the clutch retaining bolt and washer on the aileron autopilot servo mount beginning with this AD effective March 31, 2026. The FAA estimates a per-replacement cost of $135 (1 work-hour at $85 plus $50 parts) and an aggregate U.S. cost of $86,130 per replacement interval for 638 U.S.-registered airplanes.
Which Airplanes Are Affected
This AD applies to Embraer Model EMB-505 airplanes with serial numbers 50500004 through 50500012, 50500014, 50500016 through 50500665, and 50500667 through 50500779. The FAA states 773 airplanes worldwide meet the reduced applicability and 638 of those are on the U.S. registry.
No Reporting Requirement in FAA AD
Although the ANAC service material suggests taking photos of removed parts and emailing them to manufacturers, this FAA AD does not require reporting or submission of removed-part information. You are not required by this AD to submit those pictures or reports.
FAA Finds No Significant Economic Impact on Small Entities
The FAA certified that this AD will not have a significant economic impact on a substantial number of small entities under the Regulatory Flexibility Act. The FAA also noted some costs may be covered under warranty by the manufacturer.
Warranty May Cover Some Costs
The FAA states that according to the manufacturer, some of the costs of this AD may be covered under warranty, which could reduce out-of-pocket expenses for affected operators.
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Key Dates
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