As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING MASTER CAUTION CAME ON WITH MAINT LIGHT ON OVERHEAD. GROUNDED - YES. FOUND FAULT CODES FOR ENGINE #2 ODMS. RELEASED PER MEL 79-21-01A #2 ENGINE ODMS INOP. COMPLETED B737-9 IFIM TASK G79-21-00-810-811 STEP A THRU B.(8). AIR/OIL SEPARATOR REPLACED WITH POST LEAP-1B-SB-79-0012 PER T/C SBLEAP-1B-79-0012-1. OPS/LEAK CHECK OK, GROUND VERIFICATION SUCCESSFUL.