What was found
FLT 938 - ANC - RIGHT MAIN GEAR UNSAFE LIGHT ILLUMINATED AFTER GEAR RETRACTION, VISUALLY CHECK GEAR UNLOCK WINDOW IAW FCOM. TROUBLESHOT SYSTEM IAW TAFI 32-14-12-A-109, FOUND NR 12 PROX CTRL INOPERATIVE. REMOVED AND REPLACED BOX IAW 32-14-00, OP CHECK GOOD. (M)