As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT: FA'S REPORTED DIRTY SOCK FUMES AT REAR OF A/C FROM BACK GALLEY THRU ROW 35. IN CRUISE WHEN SMELL STARTED. DESCENT TO 10,000 AND FUME PROCEDURE ACTIONED. PACKS OFF RAM AIR ON. FUMES DISSIPATED PARTIALLY BUT STILL PRESENT.-PERF #1 AND #2 ENG RUN WITH PACKS IAW AMM 71-00-00. NO ODORS WITHIN CABIN. APPLIED TSM 05-50-810831.AC OKAY FOR CONTINUED SERVICE.