As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 27,000 FT LEFT ENGINE PRODUCED A LOUD BANG AND IMMEDIATELY FOLLOWING THE EPR, N1, N2 ROLLED BACK TO IDLE. WE CONDUCTED THE ENGINE SEVERE DAMAGE QRH AND LANDED WITH THE LEFT ENGINE AT IDLE. THE RIGHT ENGINE NEVER EXCEEDED ANY LIMITS DURING THE FAILURE. REF LOG PAGE 565653 FOR REMOVED AND REPLACED LEFT ENG PER WORKCARD 88-7110-9-0010. OPS CHK GOOD. A/C OK FOR SVC.