As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POST ENGINE CHANGE HIGH POWER RUN, LAV SMOKE OCCURRED ON EICAS AFTER ABOUT 1.5 MINUTES AT 88 PERCENT N2. ENGINE REPLACED DUE TO PREVIOUSLY INSTALLED ENGINE CAUSING LAV SMOKE ON EICAS AND SMOKE IN COCKPIT AND CABIN. SEE SDR CHQA200500122 FOR DETAILS. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE IAW EMB 145 J/C 72-00-01. OPS CHECK AND LEAK CHECK GOOD. NO EICAS MESSAGES OR SMOKE NOTED.