As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 732 SFO-CLT - EMERGENCY LANDING, LEAVING CRUISE, NR 1 ENGINE HAD POSSIBLE COMPRESSOR STALL OR OTHER VIBRATION. COULD NOT MAINTAIN POWER. OPERATED AT REDUCED THRUST WITH NO INDICATION OF VIBRATION. MAINTENANCE FOUND THE NR 1 ENGINE BEYOND LIMITS DURING BOROSCOPE. REMOVED AND REPLACED NR 1 ENGINE.