What was found
THIS IS A PRELIMINARY REPORT TO MEET REPORTING REQUIREMENTS. THE ENGINE IS CURRENTLY BEING SHIPPED TO THIS REPAIR STATION FROM CANADA. MORE INFORMATION WILL BE PROVIDED AFTER TEAR DOWN. PILOTS REPORTED VISUAL LOSS OF OIL ON AIRCRAFT RIGHT HAND LANDING GEAR LEG DURING EXTERNAL LOAD OPERATIONS. NO UNUSUAL VIBRATIONS NOTED SO ROTORCRAFT RETURNED TO LANDING AREA. INVESTIGATION BY MECHANICS ON SITE REVEALED 1 EACH 2ND STAGE POWER TURBINE BLADE MISSING. BROKEN AT ROOT WHERE BLADE ATTACHES TO TURBINE WHEEL. PICTURES WILL BE SUBMITTED BY EMAIL.