As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7788 - JAC - BOTH MAIN GENERATORS AND NR 2 AUXILIARY GENERATOR DROPPED OFF LINE. GCU'S ADJUSTMENT. ADJUSTED NR 1 STARTER/GENERATOR FROM 31.8V TO 28.5V, NR 2 STARTER/GENERATOR ROM 28.9V TO 28.5V AND NR 2 AUX GENERATOR FROM 31.9V TO 28.5V. OPS CHECK OF SYSTEM OK. (M)