What was found
POWER LOSS/IFSD DURING A TEST FLIGHT, FOLLOWING A NR 1 POWER SECTION (PS) CHANGE, THE ACFT EXPERIENCED A NR 2 PS IFSD. THE ACFT LANDED WITHOUT INCIDENT. DURING THE SUBSEQUENT VISUAL INSP, METALLIC DEBRIS WAS FOUND IN THE EXHAUST DUCT. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE.