As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED FLIGHT TO SLCB IN LEGVVI-LPB FLIGHT 677 DUE TO AC GENERATOR FAIL (FRM 241 010 01 - GEN1 DRIVE LIGHT ILLUMINATED) TOGETHER WITH APU LOW OIL PRESS LIGHT FRM 492 060 00. CORRECTIVE ACTION: PERFORMED FIM 24-11 TASK 801 AND SWAPPED GCU1 WITH GCU2. OPERATIONAL TEST NORMAL. FOR APU: PERFORMED FIM 49-90 TASK 803. OPERATIONAL TEST NORMAL.