As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK DUE TO A LOUD NOISE THAT SOUNDED LIKE A BIRD STRIKE OR POSSIBLE COMPRESSOR STALL ON TAKEOFF. EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT AT KTEB. ENGINE SENT TO OVERHAUL SHOP AFTER BORESCOPE REVEALED DAMAGE TO THE COMPRESSOR BLADES. SHOP FINDINGS ON THE HTF7350 ENGINE INDICATE NOZZLE BURN ON THE LEADING EDGE, A #4 HP STATOR CRACKED AND MISSING INNER SHROUD, AND DIFFUSER V-SEAL BLOWN OUT WITH DAMAGE TO THE DIFFUSER ITSELF.