As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AT APPROX 6000 FT, SLIGHT VIBRATION FELT, ACFT WAS IN ICING CONDITIONS, WHICH WE THOUGHT WAS DUE TO ICE ON PROPS. POST FLIGHT WALK AROUND SHOWED THAT LT PROP BLADE WAS MINUS L/E METAL STRIP. NO VISIBLE DAMAGE TO FUSELAGE. NOTE THAT ACFT WAS OVER THE SEA AT THE TIME. MFG TO COMPLETE INVESTIGATION INTO ROOT CAUSE.