What was found
FLT 1574, LAX-EWR. OIL FUMES IN COCKPIT DURING IDLE DESCENT FIRST DETECTED AROUND 8000 CLOSED ENG 1 BLEED AND IT DISSIPATED. REMOVED LP TURBINE SHAFT BLIND CAP AND CLEANED AREA IN THE INLET CONE IAW AMM 72-51-41. PERFORMED ENG 1 LEAK CHECK IAW AMM 71-00-00 LEAK CHECK OK. REMOVED FCOC IAW AMM 79-21-43-000-010-B & REPLACED MISSING SEALS. PERFORMED LEAK CHECK IAW AMM 71-00-00, LEAK CHECK OK. PERFORMED PACK BURN AND R & R HEPA FILTERS PER INFO NOTICE 2017 TOSM ANS TSM 05-50-00-810-831-A ALL CHECKS NORMAL AT THIS TIME