What was found
OB SPOLILERSON AND OB FLT SPOILERS CAUTION MSG AFTER EXTENDING SPOILERS THROUGH 5K FEET. DIVERTED TO KIAD / INTEROGATED MDC AND FOUND B1 CODE 007920(R OB MFS PCU / PCU JAM) POSTED AND PERFORMED CRJ700FIM 27ˆ’64ˆ’01ˆ’810ˆ’817-A01 CYCLED AIRCRAFT POWER, FAULT CLEARED AND DID NOT RETURN, SYSTEM RESET WAS SUCCESSFUL, OPENED TEMP REPAIR TO MONITOR THE SPECIFIC PCU. UPON A REPEAT EVENT WITHIN APPROX. 30 DAYS, SCHEDULE THE AFFECTED MFS PCU TO BE REPLACED AT THE NEXT MAINTENANCE OPPORTUNITY NO FURTHER MX ACTION REQUIRED AT THIS TIME AIRCRAFT OK FOR SERVICE.