What was found
UPON INSPECTION OF THE NOSE WHEEL ASSY, IT WAS NOTICED THAT THE RETAINING NUT PN AN7502-24 WAS BACKED OFF AND THE COTTER PIN HAD BEEN SHEARED. THE PIN & NUT WAS REMOVED AND THE WASHER PN MS21258C24 HAD TURNED AND SHEARED THE LOCK TAB OFF AND WAS STUCK TO THE SPACER. THE WHEEL BEARINGS WERE DESTROYED AND SEIZED ONTO THE AXLE. THE WHEEL ASSY HAD TO BE REMOVED BY BEATING IT WITH A HAMMER BY 3 MX. THE WHEEL ASSY WAS REPLACED WITH A SERVICABLE UNIT AND THE ACFT WAS RETURNED TO SERVICE.