As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RTN TO GATE - R GEN DRIVE MESSAGE AND GEN DRIVE DISC R. DRIVE ILLUMINATED TAKING RUNWAY. ALL OTHER END INDICATIONS NORMAL. INSPECTED RT IDG. SERVICED RT IDG PER AMM. SPUN THEN RAN NR 2 ENG AT GATE. NO LEAKS NOTED. ALL ENG PARAMETER NORMAL DURING ENG RUN. SUSPECT SERVICING CONNECTOR O-RING UNSEATED. NO OTHER DEFECTS NOTED. OK FOR SERVICE. ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.