As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3825 ON TAKE OFF ROLL DIRTY SOCK SMELL DETECTED IN COCKPIT, FA'S ALSO SMELLED AN ODOR IN FRONT CABIN. ODOR DISSIPATED IN CLIMB ON POST FLT, HYD A QUANT WAS 106% / B SYS 96% . CORRECTIVE ACTION: REMOVED AND REPLACED LEFT PACK RECIRCULATING FILTER AS PER AMM 21-25 RAN PACKS NO SMELL NOTED. HYD QUANTITY PUT TO NORMAL AMM LIMITS. (5127868).