As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSP - FLT 188 - DURING FLIGHT, NR 1 ENGINE COMPRESSOR STALL AT FL370. NR 1 ENGINE ROLLED BACK BUT RECOVERED. FLIGHT ATTENDANT OBSERVED FLAMES FROM EXHAUST. LANDED MSP WITHOUT FURTHER INCIDENT. REPLACED NR 1 ENGINE. SYSTEM GROUND CHECK NORMAL OPERATION. ENGINE SHUTDOWN DUE TO FAILURE OF NR 4 ROLLER BEARING, PART NUMBER 340-167-901-0, SERIAL NUMBER DA355521. (M)