Federal Register #2026-21686

FAA correction to Boeing 787 airworthiness directive covering leading-edge slat-system actions

The Federal Aviation Administration issued a regulatory correction to an airworthiness directive for certain Boeing 787 airplanes; this is not a procurement solicitation. - Government agency: U.S. Department of Transportation, Federal Aviation Administration (FAA); no specific office is identified. - OEMs named: Boeing Company and Boeing Commercial Airplanes. - Affected aircraft and safety area: Certain Boeing 787-8, 787-9, and 787-10 airplanes; the directive concerns the leading-edge outboard slat system. - Correction: Changes a paragraph reference in the directive; it adds no new requirements or economic burden. - Underlying compliance actions: Applicable checks, flight-manual and maintenance-program revisions, and replacement of leading-edge outboard geared rotary actuators with lockout actuators at the slat 2 and slat 11 outboard locations. Maintenance-program revisions incorporate CMR 27-CMR-14. - Referenced Boeing service information: Alert Requirements Bulletin B787-81205-SB270055-00 RB, Issue 002; the initial notice also references B787-81205-SB270051-00 RB. - Procurement status: No products or services are being solicited, and no contract value or contract period is stated.

Description

The Federal Aviation Administration is correcting an airworthiness directive applying to certain Boeing 787-8, 787-9, and 787-10 airplanes. The correction fixes an incorrect paragraph reference in the regulatory text of AD 2026-20-10, changing the reference from paragraph (i) to paragraph (n). In all other respects, the original directive remains unchanged, and the correction is effective November 12, 2026. The underlying directive requires actions addressing the leading-edge outboard slat system, including operational checks and actuator replacement.

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