As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DESCENDING AND LEVELING OFF LEFT ENGINE TORQUE NOT RISING PROPERLY AND INCORRECT ENGINE CONTROL / FEEL, PILOT NOTICED IMPROPER POWER OUT OF LEFT ENGINE AND DECLARED EMERGENCY DUE TO PARITIAL POWER ON LEFT ENGINE. PILOT WAS CLEARD TO LAND. LANDED SAFELY AND HOD NO OTHER ISSUES.