What was found
SEA - ITT INDICATOR SHORTLY AFTER ROTATION TO 1000FT ABOVE GROUND LEVEL NR 1 ITT WAS RED. TAKEOFF WAS NTOP AT 31C OAT. AFTER PROPS WERE BACK TO 900, ITT DROPPED TO WELL BELOW RED LINE. DURING ENTIRE FLIGHT NR 1 ITT WAS 70-80 HIGHER THAN NR 2. NR 1 FUEL FLOW WAS ABOUT 90 PPH HIGHER. INTERROGATED CDS FOUND IN ENGINE EXCEEDANCE PEAK WAS 855C, ON NR 1 ENGINE. GROUND RAN AIRCRAFT, ITT WAS STABLE ON BOTH ENGINES AT MIN TEMP'S WERE WITH IN LIMITS IAW Q400 AMM TASK 05-11-00-992-802. ITT DID NOT EXCEED MAX TEMP. NO FURTHER MTX REQUIRED. RETURNED TO SERVICE. NO PARTS REPLACED.