As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK / SEA: SHORTLY AFTER ROTATION ON CLIMBOUT FROM SEA ALL MECHANICAL CAPT SIDE GAUGES FLAGGED OFF, ALL EFIS DATA WAS LOST, STBY ATTITUDE INDICATOR FLAGGED OFF. FOR 5 SEC. INTERVALS 4-5 TIMES. PILOT ELECTED TO RETURN TO SEA. AIRCRAFT LANDED WITHOUT INCIDENT. AFTER TROUBLESHOOTING MAINTENANCE REMOVED AND REPLACED NR 1 STATIC INVERTER. AIRCRAFT RETURNED TO SERVICE.