As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE EXPERIENCED SEVERE DAMAGE DURING THE DEPARTURE PHASE OF FLIGHT. AROUND 3,000 FT, HEARD A LOUD BANG AND EXPERIENCED YAW. POWER WAS SET AROUND 88 PERCENT "N". (EMERGENCY DECLARED - A/C RETURNED TO DEPARTURE AFTER T/O) LT ENGINE ASSY WAS REPLACED. ALL OPS AND LEAK CHECKS GOOD IAW AMM 71-00-00. (CLOSED)