AD 2026-04-03
Effective 04/02/2026 · Published 02/26/2026
Airworthiness Directives; Leonardo S.p.A. Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model AB139 and AW139 helicopters. This AD was prompted by a report of interference found in the overhead panel area between the electrical cables and adjacent connectors. This AD requires repetitively inspecting the overhead panel and, depending on the results, repairing or replacing the damaged wires. This AD also requires modifying the…