As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - FOUND RT GENERATOR FIELD LIGHT ILLUMINATED ON P61. SERVICED IDG RESET FIELD LIGHT IAW AMM 24-22-00. PERFORMED IDLE ENGINE RUN. FAULT DID NOT RETURN. DUE TO HISTORY, REPLACED RT GCU IAW AMM 24-22-02. TESTED OK IAW AMM. OK FOR SERVICE.