As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT STRONG SULFUR SMELL IN AFT GALLEY WHILE ON GROUND. C/W IFIM 21-00-00-810-830 - SMOKE OR FUMES IN CABIN SOURCE UNKNOWN. COULD NOT DUPLICATE ANY ODORS OR FUMES DURING T/S. A/C OKAY FOR SERVICE. C/W IFIM 21-00-00-810-830 - SMOKE OR FUMES IN CABIN SOURCE UNKNOWN. COULD NOT DUPLICATE ANY ODORS OR FUMES DURING T/S. A/C OKAY FOR SERVICE. C/W COND INSP PER AMM 05-51-56.