As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, THE RIGHT ENGINE RPM ROLLED BACK 10 PERCENT AND THE I.T.T. INCREASED TO 700 DEGREES. AIRCRAFT RETURNED AND ENGINE WAS INSPECTED. NO PROBLEM WAS FOUND. AIRCRAFT WAS TEST FLOWN AND NR 2 ENGINE I.T.T. WAS 50 DEGREES HIGHER. FOUND BLEED VALVE OPERATING ON GROUND WHEN NOT CALLED FOR. BLEED VALVE CONTROL AND BLEED VALVE ACTUATOR WERE REPLACED AND PROBLEM CORRECTED.