2009-24-51: Hydraulic lifters

Emergency order 2009-24-51 is an airworthiness directive. The FAA's subject line: Hydraulic lifters. It names the Continental FSO-470 series, Continental GIO-470 series, Continental GTSIO-520-C, Continental GTSIO-520-D, Continental GTSIO-520-H, Continental GTSIO-520-L, Continental GTSIO-520-M, Continental GTSIO-520-N, Continental GTSIO-520 series, Continental IO-240-A, Continental IO-240-B, Continental IO-360-A, Continental IO-360-AB, Continental IO-360-B, Continental IO-360-C, Continental IO-360-D, Continental IO-360-DB, Continental IO-360-E, Continental IO-360-ES, Continental IO-360-G, Continental IO-360-GB, Continental IO-360-H, Continental IO-360-K, Continental IO-360-KB, Continental IO-360 series, Continental IO-470-A, Continental IO-470-C, Continental IO-470-D, Continental IO-470-F, Continental IO-470-H, Continental IO-470-J, Continental IO-470-K, Continental IO-470-L, Continental IO-470-N, Continental IO-470-R, Continental IO-470-S, Continental IO-470 series, Continental IO-470-U, Continental IO-470-V, Continental IO-470-VO, Continental IO-520-A, Continental IO-520-B, Continental IO-520-BA, Continental IO-520-BB, Continental IO-520-C, Continental IO-520-CB, Continental IO-520-D, Continental IO-520-E, Continental IO-520-F, Continental IO-520-K, Continental IO-520-L, Continental IO-520-M, Continental IO-520-MB, Continental IO-520 series, Continental IOF-240-B, Continental LTSIO-360-E, Continental LTSIO-360-EB, Continental LTSIO-360-KB, Continental O-470-11, Continental O-470-13A, Continental O-470-15, Continental O-470-4, Continental O-470-A, Continental O-470-G, Continental O-470-J, Continental O-470-K, Continental O-470-L, Continental O-470-M, Continental O-470-P, Continental O-470-S, Continental O-470 series, Continental O-470-U, Continental O-470R, Continental TSIO-360-A, Continental TSIO-360-C, Continental TSIO-360-CB, Continental TSIO-360-E, Continental TSIO-360-EB, Continental TSIO-360-FB, Continental TSIO-360 GB, Continental TSIO-360-H, Continental TSIO-360-HB, Continental TSIO-360-KB, Continental TSIO-360-LB, Continental TSIO-360-MB, Continental TSIO-360-RB, Continental TSIO-360-SB, Continental TSIO-360 series, Continental TSIO-470-B, Continental TSIO-470 series, Continental TSIO-520-AE, Continental TSIO-520-AF, Continental TSIO-520-B, Continental TSIO-520-BB, Continental TSIO-520-BE, Continental TSIO-520-C, Continental TSIO-520-CE, Continental TSIO-520-D, Continental TSIO-520-E, Continental TSIO-520-EB, Continental TSIO-520-G, Continental TSIO-520-H, Continental TSIO-520-J, Continental TSIO-520-JB, Continental TSIO-520-K, Continental TSIO-520-L, Continental TSIO-520-M, Continental TSIO-520-N, Continental TSIO-520-NB, Continental TSIO-520-P, Continental TSIO-520-R, Continental TSIO-520 series, Continental TSIO-520-T, Continental TSIO-520-U, Continental TSIO-520-UB, Continental TSIO-520-VB, Continental TSIO-520-WB engines: about 37,405 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: engine.