As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH APU BLEED SELECTED ON STRONG ODOR FROM BLEEDS IN THE AFT GALLEY, WITH BLEED SELECTED OFF ODOR DISIPATES. C/W HS NR49-0006 PRIOR TO STARTING APU. STARTED APU IAW AMM TASK 49-00-00-869-801. APU OPS CKS NORMAL. NO ODOR FROM BLEED & NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.