On shutting down after practice autorotations, a wrinkle was discovered in the tail boom

Date:

4 May, 2015

Reg:

N504WD

Make:

Eurocopter

Model:

AS350

MSN:

1800

Location:

US-Montana

Civil / Military:

Civil

Operator:

Hat-Creek-Helicopters

Link:

http://www.bea.aero/fr/enquetes/2015/2015.semaine.22.pdf