As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FA'S CALLED UP COMPLAINING ABOUT A SMELL IN THE FORWARD CABIN. ROW 3/4 AND ROW 10. THEY SAID IT SMELT LIKE FUEL OR OVEN CLEANER. NO VISIBLE OR ADVERSE EFFECTS. NO ISSUES ON DESCENT. CREW REPORTS NO SMELL FROM AC SYSTEM. SMELL WENT AWAY IN FLIGHT. RAN PACKS NO ISSUES FOUND. VERIFIED NOTHING FOUND IN CABIN AT EFFECTED ROWS. A/C OK FOR SVC. (LP: 8165574). AIRCRAFT WAS GROUNDED