What was found
ENGINE 1 DOES NOT MAKE TAKEOFF POWER. CLEANED NR 1 ENGINE POPPET VALVES SUCCESSFULLY GROUND RAN NR 1 ENGINE TO ACTIVE TAKEOFF POWER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENGINE 1 DOES NOT MAKE TAKEOFF POWER. CLEANED NR 1 ENGINE POPPET VALVES SUCCESSFULLY GROUND RAN NR 1 ENGINE TO ACTIVE TAKEOFF POWER.