Airworthiness Directives; The Boeing Company Airplanes
Transportation Department, Federal Aviation Administration | Rule | 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 a Boeing investigation for manufacturing errors and excessive preload forces at the lower side of body (SOB) splice plates common to the lower outboard wing skins. That investigation concluded that shim gaps may have exceeded engineering allowances, and high pull up forces on the components may cause fatigue cracks to form at the fastener holes. This AD requires, depending on configuration, repetitive ultrasonic (UT) inspections at certain splice plates, rear spar terminal f.
Reported by Maria LopezAirworthiness Directives; The Boeing Company Airplanes.
The item is dated 2026-08-27.
TeamCog is carrying it as a rulemaking report from FederalRegister.gov published documents API.
Transportation Department, Federal Aviation Administration | Rule | 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 a Boeing investigation for manufacturing errors and excessive preload forces at the lower side of body (SOB) splice plates common to the lower outboard wing skins.
That investigation concluded that shim gaps may have exceeded engineering allowances, and high pull up forces on the components may cause fatigue cracks to form at the fastener holes.
This AD requires, depending on configuration, repetitive ultrasonic (UT) inspections at certain splice plates, rear spar terminal f…
The handoff preserves the official source citation and source-completeness evidence supplied by discovery.
Official Source
FederalRegister.gov published documents API. Accessed 2026-08-27T15:00:07.604Z.