AD 2026-20-01: The Boeing Company Airplanes

What the FAA requires

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 report that cargo liner joint sealing tape could be missing in particular areas on certain airplanes. The absence of this tape could allow a fire to propagate into the cabin. This AD requires a detailed inspection of these areas for the missing tape, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

Read the full directive on the Federal Register →

Applicability

This AD applies to The Boeing Company Model 787-8, 787-9, and 787-10 airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin B787-81205-SB530108-00 RB, Issue 001, dated November 5, 2025. (d) Subject Air Transport Association (ATA) of America Code 53, Fuselage. (e) Unsafe Condition This AD was prompted by a report that Boeing Material Specification (BMS) 5-146 cargo liner joint sealing tape could be missing outboard of the left side and right side monuments forward of Door 1. The FAA is issuing this AD to address any missing cargo liner joint sealing tape. The unsafe condition, if not addressed, could result in fire propagation from the lower lobe cheek ar

Part numbers this directive names

This directive does not name specific part numbers in its text; it applies by aircraft model. See the applicability above and the manufacturer's service bulletin it references.