As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 DRIVE LIGHT NOT ILLUMINATED INTERMITTENTLY TRIPS MASTER CAUTION ELEC WHEN IT GOES OUT. CHECK AND FOUND LOOSE CONNECTOR ON NR 1 IDG. CLEANED AND RE-SECURED CONNECTOR LIGHT OP'S CHECK NORMAL. ALSO RAN BITE CHECK ON NR 1 GCU, NO FAULTS NOTED.