As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AC WAS PULLED OOS FOR THIS EVENT. REFERENCE LP469159 ITEM 1, DIRTY SOCK/OILY SMELL ON TAXI OUT. SMELL WORSENDED W/ENG 1 THROTTLE UP. PERFORMED TSM 05-50-00-810-831-A. IDENTIFIED #1 ENG AS SOURCE OF ODOR. FOUND OIL WETTING IN HPC. PERFORMED ENG WAS PER AMM 72-00-00-100-028-A. NO OIL REMAINS.PERFORMED LEVEL A DECON FOR ENG 1 ECS, NO ODOR REMAINS. REF NRS 137526 AND 137426 FOR PARTIAL WORK PERFORMED AND INC0150428 FOR ENGINEERING DIRECTION.