As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3965 - IAH-HRL - DIVERTED TO CPR DECLARED CREW PRECAUTIONARY WITH LOW OIL PRESSURE INDICATION ON NR 2 ENGINE. MX SERVICED NR 2 ENGINE WITH 12 PT OF OIL, GROUND RAN ENGINE AT 80 PERCENT NH CABIN FILLED WITH SMOKE. AIRCRAFT FERRIED CPR TO IAH RIGHT BLEED OFF. MX REMOVED AND REPLACED NR 2 ENGINE GROUND OPERATIONAL, LEAKS CHECKS GOOD. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)