As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG GEN EICAS MSG, DISCONNECTED IDG PER FM PROCEDURES. SERVICED LESS THAN 1 QRT IN 1 IDG. RECONNECTED IDG AND OPERATED 1 ENG. PUT FULL ELEC LOAD ON 1 GEN. GEN CHECKS GOOD. PERFORMED LEAK CHECK OF IDG. NO LEAKS NOTED. PERFORMED PBCU BITE. NO FAULTS FOUND. AC OK TO CONTINUE.