As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY MUSTY SMELL REPORTED IN AFT GALLEY WHEN LEVELING OFF IN CRUISE. LASTED 40 SECOUNDS. PERFORMED IDENTIFCATION CHECK & CAUSE OF CABIN ODORS/SMELLS IAW TSM 05-50-00-810-831 NO ABNORMAL SMELLS OR CAUSE DETECTED OR NOTED DURING CHECK ALL CHECKS GOOD AT THIS TIME