As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"POWERPLANT" MESSAGE ON TAKEOFF/CLIMBOUT. ALL OTHER INDICATION NORMAL. RETURNED TO THE FIELD. LANDED UNEVENTFULLY. COULD NOT SELECT "REDUCED NP" ON LANDING. INTERROGATED CDS, FOUND FAULT CODE 794 ON BOTH CHANNEL A&B NR 2 ENGINE FADEC, COMPLIED WITH FIM TASK 73-20-00-810-850, FAULT CODE CLEARED, ALL ENGINE RUNS CHECKED GOOD. POWERPLANT MESSAGE DID NOT ILLUMINATE. ACFT OK FOR SERVICE.