As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 10000 FT ON ARRIVAL, A 3.5 SEC STREAM OF SMOKE BILLOWED UP FROM THE UPPER EICAS SCREEN DEFINITE ACRID ODOR LIKE IT MAY BE ELECTRIC BUT THEN IT DISAPPATED AND DID NOT RETURN. GAINED ACCESS TO AREA RWD OF INST PANEL THRU P1-3 P2, AND P3-1 PANELS FOUND NO INDICATION OF DAMAGE TO WIRING OR TO DUCTING.NO OTHER OBVIOUS DAMAGE NOTED. REINSTALLED INST PANELS REF. AMM 31-31-01 & 31-41-01-6 AC OK TO CONTINUE IN SERVICE.