As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTED "BURNT PEANUT" FUMES IN FWD COACH CABIN, WITH RECIRC FANS OFF, THE ODOR WENT AWAY. ANOTHER F/A REFERRED TO SMELL AS BURNT RUBBER. F/A IN AFT GALLEY REPORTED NO FUMES. PERFORMED TASK 05-51-26-800-801C1 WITH ENG RUNS AND RECIRC FAN TEST NO DEFECTS. FOUND CEILING LIGHT ASSY AT ROW 8ABC INOP RE- PLACED P/N 4041-12. OPS CKS NORMAL. REPLACED RECIRC FILTERS AS PRECAUTIONARY.