What was found
FOR FLIGHT 2952 THE CREW REPORTED AN AMBER EICAS MESSAGE "PACK 1 OVLD" PRECEEDED BY A ODOR LIKE COOKING FOOD. TRIPPED OFF ON APU AND ENGINE BLEEDS. THE AIRCRAFT WAS REMOVED FROM SERVICE. PACK COOLING SYSTEM NR 1 WAS VERIFIED AND OPERATED NORMAL. BLEED TEMP IN NORMAL AND TEMP CONTROL FUNCTION NORMAL. SYSTEM OPERATED FOR 25 MINUTES NO FAULT FOUND IAW EMB-145 AMM 21-00-00. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.