n ultrasonic inspect C2 fan blades. Complied with P&W Alert 6038R5 and AD 94-20-01; corrosion inspect high pressure compressor disks. Complied with Pratt & Whitney Alert S/B 6196R5; #5 bearing seal assembly. Improved oil return & compartment sealing configuration. Complied with P&W Alert S/B 6110 and Alert S/B 6131, A