SAIB NE-01-22

2 • Textron Lycoming engine that has a diaphragm-type fuel pump, Lycoming P/N LW-15472, LW-15473, or LW-16335 installed, with one of the following date codes in the 6th through 9th digit locations scribed on the pump: 3900 4000 4100 4200 4300 4400 4500 4600 4700 4800 4900 5000 5100 5200 0101 0201 0301 0401 Example: 163354800 should be inspected and replaced as specified in Textron Lycoming Service Bulletin 548 • If the letter “A” is marked as a suffix to the date code, the pump has been repaired by the pump manufacturer and replacement is not necessary. Example: 163354800A Figure 1 To obtain copies of Textron Lycoming Service Bulletin 548, please contact Textron Lycoming at 570.323.6181. For Further Information Contact Federal Aviation Administration, Norm Perenson, NYACO, ANE-171, 10 5th Street, Valley Stream, NY 11581-1200; Tel: (516) 256-7537; Fax: (516) 568-2716; email: [email protected]