As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT GEN OFF EICAS MSG INFLIGHT. RAN QRH, CALLED COMPANY. MALFUNCTION PERSISTED. DECIDED TO CONTINUE WITH APU GEN AS PER QRH. REMOVED AND REPLACED LH INTEGRATED DRIVE GENERATOR IAW AMM 24-11-01. OPS CHECKED NORMAL. REMOVED AND REPLACED LEFT GENERATOR CURRENT TRANSFORMER DIFFERENTIAL PROTECTION AND CONTROL UNITS 2 EA. OPS CHECKED NORMAL,