As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING DESCENT ENGINE OIL PRESSURE REDUCED ACCOMPANIED BY AN INCREASE IN INTER-TURBINE TEMPERATURE. ENGINE POWER WAS REDUCED AND A LANDING ACCOMPLISHED AT LOW POWER. SUBSEQUENT INSPECTION REVEALED COMPRESSOR TURBINE BLADE DAMAGE. MFG WILL MONITOR INVESTIGATION AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20070514057)