As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS ADVISORY RIGHT GEN CONTROL ON TAKE OFF ROLL. RIGHT ENGINE GENERATOR INOPERATIVE. ASSOCIATED INTEGRATED DRIVE GENERATOR (IDG) IS DISCONNECTED. LENS LIGHT COVERS INSTALLED OVER RIGHT GEN DRIVE LIGHT AND RIGHT GEN CONTROLL LIGHT. ON MEL 2400R. PERFORMED BPCU BITE CHECK IAW AMM 24-20 TASK 804. FOUND FAULT FOR R ENG GCU. REMOVED AND REPLACED R GCU IAW AMM 24-22-02. PERFORMED OPS CHECK. OPS CHECK GOOD AT THIS TIME