As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 5677726) PILOTS AND FAS NOTICED A DIRTY SOCK/MUSTY ODOR DURING T/O, ODOR DISSIPATED SHORTLY AFTER T/O. FOUND HYD A AND B OVER SERVICED. SERVICED HYD A & B TO CORRECT LEVEL PER B737-900 AMM 12-12. REPLACED LT AND RT RECRUIC FAN FILTERS.