As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2186 - APPLIED POWER FROM DISC TO FLIGHT IDLE TO TAXI ON RUNWAY, NR 2 ENGINE SURGED. HIGHEST TORQUE SEEN WAS 114 PERCENT. MAINTENANCE REPLACED NR 2 PCU. COMPLIED WITH ENGINE RIGGING AND RUNS. ALL ENGINE RUNS OPERATIONAL CHECK GOOD IAW MTC 9720016. NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.