Publication(s) and related information |
Information on an approved front turbine hub rework procedure for increased life is available from the manufacturer. See Pratt & Whitney Service Bulletin PW4G-112-72-290, dated July 2, 2007. The reworked front turbine hub, P/N 53L601-001, (part of assembly 53L121-001) is not affected by this AD. Contact Pratt & Whitney, 400 Main St., East Hartford, CT 06108; telephone (860) 565-7700; fax (860) 565-1605, for the service information identified in this AD. |