As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
99-179 - LWR AFT BODY OH LIGHT ILLUMINATED IN FLIGHT, AFTER THE NR 2 BLEED SWITCHES WERE CLOSED. THE LIGHT WENT OUT. TEST OF THE CIRCUIT WAS SUCCESSFUL. REPOSITIONED SENSOR AND RAN NR 2 ENG PER 727, JET RUN HDBK FOR 30 MIN. NO REPEAT, SENSOR TESTS NORM.