@ HeliComparator referring to http://www.pprune.org/rotorheads/578298-ec225-crash-near-bergen-norway-54.html#post9396103 :
Enrichment / irradiating of critical MRGB gears by low radioactivity and inflight measuring of the trend (grade, guantity) of abrasion under given conditons in oil flow by means of semiconductor detector(s).
Last edited by AW009; 2nd Jun 2016 at 15:30.
Reason: my poor english