As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REAR AFT FLIGHT ATTENDANT REPORTED POSSIBLE MUSTY ODOR IN AFT GALLEY AND FROM ROW 33 AND BACK-ACCOMPLISHED TSM 05-50-810-831-A PROCEDURES. PER DECISION TABLE FOUND ENG 2 BLEED AND PACK 2 WITH HIGHEST POSSIBLE CAUSES. PERFORMED LEVEL A DECONTAMINATION OF THE ECS IAW AMM 21-00-00-615-802. NO SMELLS NOTED. NO DEFECTS NOTED AC OK TO RETURN TO SERVICE. MOC 70318