As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ENGINE START, THE (R) GENERATOR WOULD NOT COME ONLINE, "GEN OFF LT" ON DRIVE LT ON. GROUNDED - YES. DRAINED #2 ENG IDG OIL. FOUND OIL AND FILTERS CLEAN OF DEBRIS. REMOVED AND REPLACED #2 ENG IDG REF B737-800 AMM 24-11-11. OPS CHECK COMPLETED NO DEFECTS NOTED. ETOPS GROUND VERIFICATION SUCCESSFUL.