What was found
TWO MINUTES INTO FLIGHT FAS COMPLAINED OF AN ODD SMELL IN THE CABIN. ALSO A SENSE OF HEAT FILLING THE CABIN. WE RETURNED TO DENVER AND PERFORMED AN OVER WEIGHT LANDING AT 130.2K LBS; OTHERWISE NORMAL LANDING. FAS SAID SMELL WENT AWAY DURING DECENT. NO ABNORMAL INDICATIONS IN THE FLIGHT DECK. / [01] DURING INSPECTION OF FUME EVENT FOUND THAT A BLADE LUBE WAS PERFORMED THE NIGHT BEFORE 05/03/2022 (REF. AMM 72-21-00 FOR NOTE ABOUT APPLYING TO MUCH BLADE LUBE.) FOUND THE WATER SEPARATOR BAGS WITH EVIDENCE OF BLADE LUBE MATERIAL. REMOVED AND REPLACED WATER SEPARATOR BAGS REF. AMM 21-51-05. PERFORMED ENGINE RUNS; NO ODD SMELLS NOTED AT THIS TIME. REF LOG PAGE 2153872 FOR OVERWEIGHT LANDING.