As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, FA REPORTED AN ODOR OF DOG POOP AND DIRTY SOCKS. ODOR VERY FAINT ON FLIGHT DECK. COMPLIED WITH COM SUPP 3.226.1 ELIMINATED ODOR FUMES PACK 2 SUSPECTED. ODOR FUMES THEN DISSIPATED. PERFORMED TSM 21-00-00-810-801-A AND FOUND APU TO BE LEAKING AT THE TURBINE BELLMOUTH. REMOVED AND REPLACED APU IAW AMM 49-11-11. OPS AND LEAK CHECK GOOD. NO FURTHER ODOR PRESENT