As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A TRAINING MISSION, THE ENGINE EXPERIENCED AN UNCOMMANDED REDUCTION IN POWER ACCOMPANIED BY A NOISE AND A CHIP DETECTOR INDICATION. SUBSEQUENT INSPECTION REVEALED METALLIC DEBRIS IN THE ENGINE OIL SYSTEM. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20070314021)