About this document
AW139 Tail Rotor Slip Ring Upgrade by mycopteraviation is a document available to read on EtoBox.
This document provides mandatory instructions for improving the mounting of tail rotor slip rings on AW139 helicopters. The instructions replace mounting screws to improve thread engagement and must be completed within 100 flight hours or 3 months for helicopters from serial number 002 to 051 that do not have an "R" marked after the serial number. The work is estimated to take 8 man-hours and requires special tools and replacement screws and washers.
- Author
- mycopteraviation
- Language
- EN