As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MUSTY / DIRTY SOCK SMELL AFT CABIN BY FA REPORTED -PREFORMED TSM 05-50-00-810-831-A RAN BOTH ENG PER AMM 71-00-00 ISOLATED EACH SYS INDIVIDUALLY COULD NOT DUPLICATE AIR QUALITY EVENT NO ORDERS NOTED. NO EVIDENCE OF LEAKS. A/C OK FOR SERVICE