What was found
FLIGHT CREW REPORTED PASSENGERS IN AND AROUND ROWS 9, 10 AND 11 REPORTED ODOR WHICH SMELLED LIKE RUBBER. AN EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. PRESSURIZED AIRCRAFT TO 4.5 DIFFERENTIAL PRESSURE, NO UNUSUAL ODORS NOTED. FOUND NR 1 (LT) PACK FLOW CONTROL VALVE FAULTY. REPLACED FCV AND CHECKED OKAY. PERFORMED VISUAL INSPECTION OF LIVE TV COMPONENTS BETWEEN ROWS 9 AND 13, FOUND ALL CONNECTORS SECURE AND NO SIGNS OF OVERHEATING/BURNING. SYSTEM OPS CHECKED GOOD PER MM 44-25-00.