As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH FOR LANDING NR 2 ENGINE BEGAN COMPRESSOR STALL CAUSING ERRATIC TORQUE READINGS AND FLAMES TO BE EMITTED FROM EXHAUST STACKS. CREW DECLARED EMERGENCY. AIRCRAFT LANDED SAFELY WITH NO FURTHER INCIDENT. REMOVED AND REPLACED NR 2 ENG BLEED VALVE, OPS CHECK NORMAL.