Skip to content

AD 2025-05295

Published 2025-03-28 · 3 models · 205 US-registered tails affected · Federal Register

Airworthiness Directives; The Boeing Company Airplanes Federal Register ↗

Abstract

The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This AD was prompted by possible horizontal stabilizer pivot pin lockring, outer pivot pin, and outboard spacer misalignment at final assembly. This AD requires inspection of the left-side and right-side horizontal stabilizer pivot pin assemblies for misalignment and incorrect gapping, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

Applicability · by US fleet size

Federal Register text

Verbatim; the Federal Register publication is the legally binding document. Cite: 90 FR 14026. View on Federal Register ↗

[Federal Register Volume 90, Number 59 (Friday, March 28, 2025)] [Rules and Regulations] [Pages 14026-14029] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2025-05295]

-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2024-2410; Project Identifier AD-2024-00509-T; Amendment 39-22998; AD 2025-06-10] RIN 2120-AA64

Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This AD was prompted by possible horizontal stabilizer pivot pin lockring, outer pivot pin, and outboard spacer misalignment at final assembly. This AD requires inspection of the left-side and right-side horizontal stabilizer pivot pin assemblies for misalignment and incorrect gapping, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

DATES: This AD is effective May 2, 2025. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of May 2, 2025.