As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI AND JUST AFTER T/O FA'S REPORTED MUSTY/DIRTY SOCK SMELL IN CABIN. ODOR DISSIPATED QUICKLY ONCE AIRBORNE. ODOR RETURNED DURING DESCENT.-PERFORMED PACK DECONTAMINATION WITH APU + ENG PER AMM 21-00-00, REPLACED RECIRCULATION FILTERS PER AMM 21-21-41. NO SMELL NOTED AT THIS TIME.