What was found
DURING TAKEOFF ROLL, BLUEISH ELECTRICAL SMELLING SMOKE BEGAN TO ENTER THE FLIGHT DECK ALONG EACH SIDE OF THE FLIGHT DECK A SMOKE LAV (DID NOT CATCH FWD OR AFT) MASTER WARNING APPEARED. FLIGHT ATTENDANTS REPORTED THE SMELL AND HAZE IN THE CABIN. FLIGHT 3614 BORESCOPE INSPECTION OF BOTH ENGINES, NO LEAKS OR DEFECTS NOTED. REF CP FOR COMPLYING WITH SMOKE IN CABIN FIM PROCEDURE AND SERVICE LETTER. FOUND THAT THE LH ENGINE JUST RECEIVED A COMP WASH PRIOR TO THE SMOKE IN THE CABIN EVENT. POST COMP WASH ENGINE DRYING RUNUP. AIRCRAFT OK FOR SERVICE.