What was found
PILOT REPORTED THAT DURING APPROACH, AUTOFEATHER DISARM ANNUNCIATOR ILLIMINATED WITH BOTH AFX LIGHTS ILLUMINATED. SYSTEM WOULD RESEST IF POWER WAS REDUCED THEN REAPPLIED. THEN AFX DISARM ANNUNCIATOR WOULD ILLUMINATE AGAIN. MAINTENANCE RR PCB A123 PN:129-364091-9, SN, ON:789-E-96, SN OFF:502J95 IAW MI 24-01, OPS CK GOOD IAW MM 61-21-00.