As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IND - FLIGHT EN ROUTE PIT TO PHX WHEN NR 1 GENERATOR DROPPED OFF LINE, FOLLOWED BY APU OPERATING INTERMITTENTLY THE SHUTTING DOWN. FLIGHT DIVERTED TO IND WHERE LANDING WAS WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND BENT PIN NR 2213 ON NR 1 ENGINE GCU. REPLACED GCU. (Z)