As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON TAXING FROM RAMP AREA RECEIVED STRONG SMOKE SMELL. EICAS MESSAGE PACK 2 FAIL ANNUNCIATED.DISCREPANCY: 21-50 AIR CONDITIONINGCABIN/COCKPIT COOLING SYSTEM (ACM PACK, HEAT EXCHANGE)PERFORMED QRH CHECKLIST & MESSAGE REANNUNCIATED."TRANSFERRED TO NRWC 044-DFW-02289"-C/A-RAR RH ACM IAW AMM 21-51-05 THROUGH STEP 3.H(25) WITH THE EXCEPTION OF 3 CONDENSER/REHEATER COUPLINGS.