As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROXIMATELY 200 FT AGL RT ENG LOST PWR, PWR FLUCTATED BRIEFLY BETWEEN 40 TO 90 PERCENT TORQUE. AT 2500 FT ON RETURN TO FIELD WITH PWR REDUCED TO 30 TO 40 PERCENT THE TORQUE FLUCTATED BETWEEN 0 TO 10 PERCENT. THE ENGINE WAS THEN SHUT DOWN. FOUND HP BLEED LINE HAD CLAMP FAILURE AND HAD SEPARATED. BORESCOPED ENG AND PERFORMED RUNS, ALL CHECKED OK.