As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG BURNING SMELL FROM AFT GALLEY. PERFORMED TROUBLESHOOTING PER FIM 21-20-00. FOUND STICKY GLOB OF CONTAMINANTS ON NR 2 PACK INTAKE. CLEANED AND REMOVED DEBRIS PER AMM 12-22-01. PERFORMED OPC OF BLEED SYSTEM PER AMM 36-11-00. NO SMELL NOTED. PERFORMED OPC OF AIR CONDITIONING SYSTEM PER AMM 21-00-00. NO SMELL NOTED.