As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN BOUND STARTED THE APU AT 2500' AT 200 KTS AND AS THE APU WAS POEWERING UP THE #1 MCDU WENT BLANK AND WE HAD AN ELECTRICAL SMELL IN THE COCKPIT. SHUT THE APU DOWN AND THE #1 MCDU CAME BACK 'ON'AND LANDED NORMAL. REPLACED CONDENSER BAG AND PERFORMED OPS CHECKS OF THE APU AND TESTED GENERATION SYSTEM. CHECKS ARE GOOD WITH NO LEAKS OR ABNORMAL SMELLS NOTED.