Sikorsky Aircraft Corporation Proposes New Airworthiness Directive for S-61L, N, R, and NM Helicopters

Summary

The Federal Aviation Administration (FAA) is considering a new airworthiness directive (AD) for Sikorsky Aircraft Corporation's S-61L, N, R, and NM helicopters, which would require tracking component history and performing repetitive inspections on certain main gearbox input left and right freewheel unit (IFWU) assemblies.