As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED FROM FLIGHT ON SHORT FINAL. ENGINE RPM COULD NOT BE REDUCED BELOW 1,400 RPM. SECURED ENGINE WITH MIXTURE TO PREVENT ASYMMETRIC THRUST CONDITION. UPON INSPECTION BY MECHANIC, FOUND BLOWN OUT INDUCTION ELBOW. SECOND OCCURRENCE IN 6 MONTHS. SUBMITTER RECOMMENDS REVIEW OF MANUFACTURER'S MATERIALS AND ONE-TIME INSPECTION OF ALL INSTALLED HOSES FOR SPLITTING AT SPRING JOINTS.