As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. AIR INTERRUPT, DURING CRUISE NR 1 ENGINE GENERATOR OFF LIGHT CAME ON, VOLTS NORMAL. BETWEEN 1801 AND RED LINE DISCONNECTED IAW QRH. MAINTENANCE R & R NR 1 ENGINE GENERATOR IAW AMM 24-20-01 AND NR 1 ENGINE CONSTANT SPEED DRIVE OIL COOLER IAW AMM 24-10-01. LEAK AND OPS CHECKS NORMAL. ALSO AALA20160622008.