As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GPU HAD 3 VOLTAGE SPIKES. CREW SHUTOFF GROUNDPOWER. CIRCUIT BREAKER P-6 AND CIRCUIT BREAKER C-1 ON LT ESS AND SEC BUSSES FOUND TRIPPED WITH AN ELECTRICAL ODOR. R & R CABIN PRESSURE INDICATOR. RESET P6. OPS CHECKED GOOD IAW MM 21-30-03, RESET G1 CIRCUIT BREAKER. OPS CHECKED GOOD.