What was found
HEAVY SMELL BETWEEN ROWS 11-20 AT CRUISE, TURNED TV'S OFF & SMELL CLEARED (HEAVIEST ON WINGS). PERFORMED TSM 24-00-00-810-823. FOUND NO CIRCUIT BREAKERS IN A/C TRIPPED. NO HEAVY SMELL BETWEEN ROWS 11-20. COULD NOT DUPLICATE FAULT OR SUSPICION. PERFORMED TSM 23-39-00-810-801 SNIFF CHECK OF ALL VDU'S AND INSPECTION OF SEB'S ON ROWS 9-22 L/R WAS PERFORMED. NOTED POTENT SMELL FROM VDU AT 9D. REMOVED AND REPLACED VDU IAW LTV MM 23-39-00. NO OTHER ABNORMALITIES NOTED.