Hamilton Standard 23E50/6353A-18. AD 81-13-06R2 completed on 4/7/17 by Memphis Propeller, the blades have been repainted and the hub replated. Next AD due 4/30/22 $9,500 (800) 433-0814 US/Canada; OH/(330) 698-0280. Austin Ext.249 austin@preferredairparts.com