As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2348: AFTER CONDITION LEVERS WERE ADVANCED TO MAX DURING ENGINE START, NR 2 PEC CAUTION LIGHT ILLUMINATED AND NR 2 PROP DID NOT GO ABOVE 190. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE REMOVED AND REPLACED NR 2 PCU. PCU RUNS PASSED POWER ASSURANCE. PASSED LEAK CHECK, GOOD FOR NR 2 ENGINE. NR 2 PEC CAUTION LIGHT DID NOT ILLUMINATE. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.