As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START NR 1 IDG WOULD NOT COME ON LINE NO VOLTS OR FREQ NOTED. ACFT GROUNDED. FOUND ELECTRICAL CONNECTOR IDG J2 LOOSE. TIGHTENED CONNECTOR. RAN NR 1 ENGINE GENERATOR. NR 1 VOLTS AND FREQS NORMAL AND GENERATOR CONNECTS NORMALLY. OPS CHECKED NR 1 GENERATOR, NORMAL. IDG OIL LEVEL IS GOOD, NO SIGN OF LEAKS.