Business · 26/10/2005Updated: 10/17/2026 · 1 min read
Sikorsky Aircraft Corporation Issues Airworthiness Directive for S-76A, B, and C Helicopters
Summary
The Federal Aviation Administration (FAA) has adopted a new airworthiness directive requiring inspections and repairs to prevent cracks in the main rotor lower bifilar arm assembly of Sikorsky Model S-76A, B, and C helicopters, following four reports of cracked bifilars.