As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CONTROL SYS STATUS MSG WITH ACTIVE MAINTENANCE MSG 24-50242 FCDC BATT RIGHT VOLTAGE IS LOW. THE RIGHT FCDC BATTERY WAS SWAPPED WITH THE LEFT. THE LEFT BATTERY WILL NEED REPLACEMENT. FCDC L BATTERY REPLACED AS PER AMM, TEST CARRIED OUT AS PER AMM, TESTS OKAY.