As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKE OFF AT ABOUT 500 WE HEARD AND FELT A LOUD BANG. 1 ENGINE EGT GUAGE SPIKED AND WENT COMPLETELY RED. THEN AFTER A FEW MINUTES SECOUNDS ENGINE STABILIZED AND INDICATIONS REMAINED NORMAL. FOUND SMEAR OF POSSIBLE BIRD DEBRIS ON ENGINE 1 SPINNER, NO OTHER BIRD DEBRIS NOTED ON AIRCRAFT. DUE TO EGT REDLINE, RECOMMEND PERFORM TASK 71-00-00-210-801-F00. CHANGED NR 1 ENG ON TC 29-0571-8-0073.