As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LOUD BANG DURING POWER CHANGE ON APPROACH. INSPECTED AC AND FOUND CLUTCH ASSY ROUGH. TURNED IT A FEW TIMES BY HAND AND SEIZED. NEW CLUTCH ASSY INSTALLED, DEFECT RECTIFIED. CLUTCH BEING SENT TO OUR IN HOUSE COMPONENT SHOP FOR INVESTIGATION. WILL FWD THE PICTURES AND INFORMATION WHEN RECEIVED FROM THE COMPONENT SHOP. PICTURES ATTACHED AND CLUTCH ASSY BEING SENT TO MFG FOR WARRANTY AND INVESTIGATION. (TC NR 20070531006)