As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION ACCOMPANIED BY A NOISE AND SMOKE IN THE CABIN AIR. SUBSEQUENT INSPECTION REVEALED OIL AT THE ENGINE INLET AND METALLIC DEBRIS ON THE REDUCTION GEARBOX CHIP DETECTOR. MFG WILL MONITOR INVESTIGATION OF THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE DETERMINED. (TC NR 20070514018)