As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT IN CABIN ONLY, NOT FLT DECK. ISOLATED PACK 2 AND OPENED RAM AIR, ODOR DISSIPATED. ODOR WAS REPORTED IN DESCENT. ACCOMPLISHED IDENTIFICATION OF CAUSE OF CABIN ODOR IAW TSM 05-50-00-810-831-A. FOUND PACK 2 TO BE SOURCE OF ODOR. REF LP 3385030-2.