As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCRPANCY: Power loss #1 engine @ T.O. power @ 95 kts. BMEP & M.P. massive drop.CORRECTIVE ACTION: Performed engine run to field barometric and T.O. power settings multiple times. All parameters found to be satisfactory per NAC DC-6 Ops manual.