As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALB FLT 2983 - THE CREW REPORTED SMOKE HAZE IN THE COCKPIT SHORTLY AFTER TAKEOFF THEN DISSIPATED. ALSO REPORTED A LAV SMOKE WARNING MSG ON THE EICAS FOR ABOUT A MINUTE. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE. THE TEAR DOWN REPORT FROM ROLLS ROYCE INDICATED THE PRIMARY CAUSE OF SMOKE/HAZE IN THE COCKPIT WAS THE NR 4 CARBON SEAL. THE ENGINE WAS REPAIRED TO SERVICEABLE CONDITION.