As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT GEN DRIVE LIGHT ILLUMINATED STEADY DURING CRUISE PERFORMED ABNORMAL PROCEDURE AND DISCONNECTED DRIVE RT IDG VALVE EICAS ALSO DISPLAYED. RECONNECTED RIGHT IDG AND SERVICED IDG. C/OUT BPCU BITE TEST AND RAN ENGINE ALL INDICATIONS NORMAL. IDG OPS NORMAL. (M)