What was found
FOUR HOURS INTO FLIGHT RUBBER BURNING ODOR FROM ROW 7 LEFT, SMELL WAS INTERMITTENT. SHUT DOWN LTV AS A PRECAUTION, AIRINC WITH MCC NO OTHER ACTION TAKEN, ODOR DID NOT REOCCUR. FOUND ELECTRICAL BURNING ODOR AT SEB AT SEAT 9B. REPLACED SEB IAW LTV MM 23-39-00, OPS CHECK NORMAL. PERFORMED LTV INTEGRITY INSP IAW INFO NOTICE 2003-T050TRA. INSPECTED ALL LTV CABLE AND COMPONENTS IN ROW 7 THRU 11 ABC, OPS NORMAL. MEL CLEARED AND PLACARD REMOVED.