EASA issued an Emergency Airworthiness Directive (AD), following the tragic accident which occurred in the United Kingdom on 27th October 2018 to an Leonardo AW169 helicopter.
The information available so far indicate that while the helicopter was on a take-off phase at low forward speed, a loss of yaw control was observed; an investigation is on-going to identify the root cause of the accident.
This AD supersedes the preceding AD published 7th November 2018 and reiterates the requirement of the superseded AD. It continues to require, as a precautionary measure, a one-time visual inspection of the tail rotor servo-actuator installation and, depending on findings, accomplishment of applicable corrective action(s), and to report inspection results to Leonardo.
In addition the AD requires, as additional precautionary measure, an inspection of the TR duplex bearing and depending on findings, contact Leonardo for approved instructions, accomplish those instructions accordingly, and to report inspection results to Leonardo.
This AD must be considered an interim action, further mandatory action may follow owing to investigation progress.