As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TO ABOUT 11000 FT, A BIRD IMPACT OCCURRED ON THE LEFT ENGINE, PARAMETER DROP 1.4 EPR THEN ALL PARAMETERS CAME BACK TO NORMAL. IN ACCORDANCE WITH EWO 83-72-7309 LT ENGINE WAS REPLACED IAW AMM 71-00-00 PAGE 501 WAS PERFORMED ADJUSTMENT/TEST AND CONDITIONS ARE SATISFACTORY FOR OPTIMUM OPERATION.