As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT AND TOWER REPORTED THICK WHITE SMOKE FROM NR 2 ENGINE DURING TAKEOFF ROLL. SYSTEMS MONITORED INFLIGHT, NO E2 ABNORMAL PARAMETERS NOTED. MX PERFORMED NR 2 ENGINE HIGH POWER RUNS FOR 20 MINUTES WITHOUT LEAKS OR SMOKE NOTED. FOUND SIGN OF FUEL LEAKING FROM NR 2 WING T/E. R & R NR 2 WING FLAPPER VALVE WITH LEAK CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.