As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ODER SMELL OBSERVED BY PASS & FA NEAR ROWS 28 A/C LEFT TO RIGHT TRAVELLED TO FRONT 15 MIN LATER SMELL WAS NO LONGER NOTICED SOME DESCRIBED AS ELECT SMELL- TO MUSTY SMELL 1 PAX COMPLAINED OF HEADACHE AS SOON AS HE SMELLED IT. MAINTENANCE REPLACED COFFEMAKER.