What was found
CLIMBING THROUGH 17,000 NOTICED POWERPLANT MESSAGE ON ED. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. INTERROGATED CDS, FOUND FAULT CODES 120,122,134 CHA #2 ENG. PERFORMED PEC FAULT CLEAR REF Q400 AMM TASK 61-20-36-070-801. NO RECENT RELATED HISTORY IN TRAX. PERFORMED GVI OF #2 ENG PEC BETA FEEDBACK TUBE. NO DISCREPANCIES NOTED. GROUND RAN #2 ENG. INTERROGATED CDS, NO FAULT CODES PRESENT AND POWERPLANT MSG DID NOT RETURN. REF Q400 FIM TASKS 61-20-03-810-817, 61-20-03-810-818 AND 61-20-03-810-822. A/C OK FOR CONTINUED SERVICE.