EASA AD US-2019-20-07
Flight Controls - Leading Edge Outboard Slats - Operational Checks; Airplane Flight Manual - Amendment
The Federal Aviation Administration's Airworthiness Directive 2019-20-07 addresses all Boeing 787-8, 787-9, and 787-10 airplanes. It mandates repetitive operational checks of the leading edge outboard slats and requires revising the airplane flight manual to prohibit flap retraction under icing conditions. The directive also updates maintenance or inspection programs to include new operational checks to ensure flight safety.