What was found
SHIP 5042 PLASTIC BURNING SMELL ON DESENT PASSING THROUGH 10,000. STRONG SMELL LASTED ABOUT 30 SECONDS. FA'S DIDN'T NOTE SINGULAR SMELL IN CABIN. CORRECTIVE ACTION: T/S PER FMDS W/C 0550-2002. DISCOVERED OIL EVIDENCE ON SPINNER OF #1 ENGINE. R/R #1 ENGINE FAN SHAFT COVER SEAL PER A321 AMM 72 -15. PERFORMED LEVEL B DECONTAMINATION PER A321 AMM 21-00. AFTER ENGINE RUN FOUND #1 ENGINE OVER SERVICED, CORRECTED OIL LEVEL PER A321 AMM 79-00. RAN ENGINES NO SMELL NOTED. R/R RECIPE FILTERS PER A321 AMM 21-21. C/W NO GO ODI STEPS. A/C OK FOR SVC. (6364536)