As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS INFLIGHT - DURING CLIMB AT 300 FEET ALTERNATE ALERT WINDOW WENT BLANK. AUTOPILOT AND AUTO THROTTLE ONE AND TWO INOPERATIVE. CIRCUIT BREAKER POPPED. RETURNED TO BOS AND LANDED WITHOUT INCIDENT. FOUND WIRING FAULTS. REPAIRED SHORTED WIRE IN AFT ACCESSORY COMPARTMENT. SYSTEM GROUND CHECKED NORMAL OPERATION.