What was found
AIRCRAFT WAS GNDED. AFTER ENG START SMELLED CHEMICAL, LIKE CHLORINE, SMELL THROUGH A/C. SMELL WENT AWAY ON TAXI OUT & CAME BACK ON CLIMB OUT, THEN WENT AWAY AGAIN. FLIGHT CREW EXPERIENCED BURNING SENSATIONS & SORENESS IN THE NOSE & THROATS, NAUSEA & HEADACHES. COMPLETED CABIN AIR QUALITY CARD 33LOOO21001. FOUND WATER SYS WITH CHLORINE SMELL. CIRCULATED WATER SYS & FOUND OK FOR SERVICE. FOUND THAT THE NR 1 OVEN IN RT AFT GALLEY HAS CHEMICAL SMELL & REPLACED IT IAW AMM 25-35-19. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED & THE ACFT WAS RETURNED TO SERVICE.