As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON LANDING, BOTH FMC P/RST LIGHTS ILLUMINATED WITH THE SPEED BRAKE DO NOT ARM LIGHT. THE FMC LOST ALL FLIGHT PLAN INFO WITH BOTH FMC P/RST EXTINGUISHING AND THE SPEED BRAKE DO NOT ARM LIGHT REMAINED ON. GROUNDED - YES. ACCOMPLISHED FMC BITE PROCEDURE B737-800 FIM 34-61 TASK 801 NO FAULTS FOUND, ACCOMPLISHED SPEED BRAKE DO NOT ARM FIM 27-62 TASK 805 NO FAULTS FOUND.