As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS REPORTED THAT THE AFX ANNUNCIATORS AND REPEATER LIGHTS EXTINGUISHED AFTER V. THE AFX FAULT ANNUNCIATOR DID NOT ILLUMINATE. MAINT REMOVED AND REPLACED THE PRINTED CIRCUIT BOARD A123 IAW 1900D MM 61-20-00. MAINT ADDTIONALLY COMPLIED WITH FLEET CAMPAIGN DIRECTIVE 1900-08-61-01. FOUND NO DEFECTS.