As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INTIAL BOARDING NOTICED BURNING OIL ODOR ON FLT DECK, SHUT OFF PACKS ODOR DISSIPATED. SHUT APU DOWN AND FOUND OIL OR HYD FLUID BACK FLOWING OUT OF APU NON RAM DOOR. REVIEWED SMOKE/FUME QUESTIONNAIRE. PERFORMED TROUBLESHOOTING PER WORKCARD 2120-2367. PERFORMED DUCT BURNOUT PER WORKCARD 2120-2368. ALL NO GO ODI ITEM COMPLIED WITH PER NO GO ODI 21-72 ACFT OK FOR SERVICE. (LP5981696)