As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ILLUMINATION OF NR 2 ENG OIL PRESS LIGHT, CREW SHUT DOWN THE ENGINE AND DIVERTED. MX FOUND THE CONNECTOR AT THE OIL PRESS SWITCH CONTAMINATED WITH OIL. CLEANED THE PLUG PERFORMED ENGINE RUNS AND THE LIGHT NO LONGER ILLUMINATES. ALSO RE-CHECKED THE OIL QUANTITY AND IT WAS IN LIMITS.