As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WARN ELEX STATUS MSG. DUE TO REPORTS OF WARN ELEX STATUS MSG AND NO FAULTS FOUND AFTER FIM 31-51-00 ACCOMPLISHMENT AND POWER SUPPLY 'A' M616 HAS BEEN REPLACED (SEQ5252004, PLZ REPLACE POWER SUPPLY 'B' M621 PER MM, (PCN 481-9027), PLZ CHECK WITH ON LINE IPC FOR PROPER EFFECTIVITIES. REPLACED M621 MODULE,CHECK OK PER MM.