What was found
FLT 308, FLL-IAD, SLIGHT RUBBER ODOR AROUND ROWS 14DEF. LTV MASTER SWITCH AND RACK POWER SWITCH TURNED OFF. SMELL DISSIPATED RAPIDLY. ACCOMPLISHED TSM 23-39-00-810-801 THROUGH STEP 4.B AT ROWS 12-16DEF. ODOR COULD NOT BE DUPLICATED. INFLIGHT CREW REPORTED SUSPECT AREA AS 14DEF. VERIFIED BY SECOND INFLIGHT CREW MEMBER. NO REPORTED LOSS OF VIDEO, INSPECTED ROWS 12-16 DEF FOR ABNORMALITIES, NO FAULTS FOUND. SYSTEM WORKING NORMALLY. REMOVED AND REPLACED SEB AT 14E AS PRECAUTIONARY IAW LTV MM 23-39-000, OPS CHECK OK.