As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5001 FROM HTS TO CLT, DURING CLIMBOUT AT 7000 FT PILOT REPORTED 80 PERCENT TORQUE AND ENGINE SURGING ON THE NUMBER TWO ENGINE. EMERGENCY WAS DECLARED AND AIRCRAFT RETURNED TO HTS. AIRCRAFT LANDED WITH NO OTHER PROBLEMS. MAINTENANCE REMOVED AND REPLACED THE TTL BYPASS VALVE. AIRCRAFT GROUND RUN AND OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE.