Airworthiness Directives; Sikorsky Aircraft Corporation Model S- 61A, D, E, L, N, NM, R, and V Helicopters; Correction

摘要

This document corrects the amendment number in airworthiness directive (AD) 97-19-06 that was incorrectly published in the Federal Register on September 19, 1997 (62 FR 49132). This AD is applicable to Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM, R, and V helicopters and requires, before further flight, inspecting certain main rotor blades to determine the anodizing date for certain pocket assemblies installed on the blade, and if a blade has a pocket assembly that was anodized by Poly-Metal Company during the period of October 1, 1996, through December 31, 1996, replacing it with an airworthy blade.