As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O SMOKE SMELL IN COCKPIT. SHORTLY AFTER PACK 1 OVERHEAT MESSAGE ON EICAS. PACK 1 SHUTDOWN AUTOMATICALLY AND SMELL DISAPPATED W/I 3-4 SECONDS. CW FIM TASK 21 51 00 810 803 A BLOCKS 1 AND 2. RAN WITH APU AND ENGINE NO EICAS MESSAGE/TRANSITORY COND. R & R OT SWITCH, IAW AMM 21 51 09 400 AS A PRECAUTION. NO SMELL IN COCKPIT OR CABIN NOTED. OK FOR SERVICE. CLEAR MEL.