As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWERPLANT MESSAGE ILLUMINATED ON ED DURING CLIMB @ 10'000'. RETURNED TO FIELD. LANDING UNEVENTFUL, REMOVED FROM SERVICE. FAULT CODE IN CDS IS #2 ENGINE CHAN. B, 120, 122, 134. C/W FIM TASK 61-20-03-810-817. FOUND PINS B AND E OPEN ON #2 BETA FEEDBACK TRANSDUCER. R & R #2 ENGINE BFT, REF. Q400 AMM 61-20-11-000/400-803. ALL FAULTS CLEARED FROM CDS. OPS CHECK GOOD. NO LEAKS NOTED. (ALSO REF MCN 661312-01). RETURNED TO SERVICE.