What was found
OILY SMELL IN 1ST CLASS CABIN AND C/P SMELL SEEMED NEARLY DISAPPEARED WITH NR 2 PACK OFF. RAN ENGINES PER PFHB AND PACKS ISOLATED SMELL TO NR 1 PACK. REPLACED COALESCER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OILY SMELL IN 1ST CLASS CABIN AND C/P SMELL SEEMED NEARLY DISAPPEARED WITH NR 2 PACK OFF. RAN ENGINES PER PFHB AND PACKS ISOLATED SMELL TO NR 1 PACK. REPLACED COALESCER.