As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO FLIGHT, A CREW NOTICED DAMAGE TO THE RT ENGINE NOISE SUPPRESSOR (DIFFUSER). MX VERIFIED THE FAILURE. AN ENGINE BOROSCOPE INSPECTION WAS PERFORMED AND NO ADDITIONAL DAMAGE WAS FOUND. THE NOISE SUPPRESSOR WAS REPLACED AND THE FAILED UNIT SENT BACK FOR FURTHER EVALUATION.