As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 7000 FT CREWS EYES STARTED BURNING FOLLOWED BY DEFINITE OIL SMOKE OR MIST. CONTAMINATION CAUSED BURNING IN THROAT, CREW WENT ON O2 AND RETURNED TO LAND. APU WAS SHUT DOWN. OIL CONTAMINATION IS COMING FROM ENGINES AT HIGHER POWER SETTING. R&R RIGHT ENGINE