Airworthiness Directives; The Boeing Company Airplanes

 [[Page 65959]] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2025-5403; Project Identifier AD-2025-01167-T; Amendment 39-23487; AD 2026-20-14] 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 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by reports from multiple operators of pitch oscillation events due to excessive horizontal stabilizer freeplay. This AD requires measuring the freeplay of the horizontal stabilizer pivot hinges and the jackscrew and applicable on- condition actions. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is effective November 23, 2026. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of November 23, 2026. ADDRESSES: AD Docket: You may examine the AD docket at regulations.gov under Docket No. FAA-2025-5403; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD d