As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 GEN OFF BUS LIGHT ILLUMINATED AFTER START-WOULD NOT EXTINGUISH DESPITE SEVERAL ATTEMPTS TO SELECT #2 GEN ON. GROUNDED - YES. GCU SHOWS IDG FAULT. RESTORED #2 IDG AND OPERATED ENGINE. #2 IDG DOES NOT TAKE THE BUS. ON SHUTDOWN IDG LIGHT ON GCU REMAINS ON. REF B737-800 FIM 24-21 TASK 806 SUSPECT IDG. REMOVED AND REPLACED #2 ENG IDG REF B737-800 AMM 24-11-11 PERFORMED IDG OPS CHECKS REF AMM 24-11-00-700-803 OPS CHECK GOOD.