As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4556 PIT-FWA, DURING CLIMBOUT A DEADHEADING CREW MEMBER SAW A BIRD STRIKE THE LT NACELLE. FLIGHT ATTENDANT NOTIFIED THE CREW. THE LT TORQUE STARTED TO DROP WITH AN ASSOCIATED RISE IN TEMPERATURE. THE CREW WITH ADVICE FROM MOC TURNED BACK TO PIT. THE A/C LANDED OVERWEIGHT. A/C TAKEN OUT OF SERVICE.