# AD 75-08-09: Oil Pump Drive Shaft - Type: Airworthiness directive - Status: Current - Products: Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C, AEIO-360-A1D, AEIO-360-A1E, AEIO-360-A1E6, AEIO-360-A2A, AEIO-360-A2B, AEIO-360-A2C, AEIO-360-B1B, AEIO-360-B1D, AEIO-360-B1F and 356 more - Effective: August 18, 1977 - Superseded by: Nothing supersedes this AD - Product type: Engine - Amendment: 39-3013 - Registered aircraft: 80,570 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AE90399AB5340ABE86256E1200477661.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/75-08-09 ## The airworthiness directive 75-08-09 LYCOMING: Amendment 39-2155 as amended by Amendments 39-2260 and 39-2470 is further amended by Amendment 39-3013. Applies to O-235, O-290, O-320, IO-320, LIO-320, O-360, IO-360, HO-360, HIO-360, VO-360-A1A, VO-360-A1B, VO-360-B1A, IVO-360-A1A, LIO-360, TIO-360, AIO-360, AEIO-360, O-540 and IO-540 series Lycoming engines listed below and the same series engines overhauled/remanufactured by Lycoming between December 18, 1972, and December 10, 1974, and the same series engines overhauled after December 10, 1972, at facilities other than the manufacturer, in which the provisions of Lycoming Service Instructions No. 1272 have been incorporated. Applicable Applicable Excepted Models Serial Nos. Serial Nos. O-235 series L-11268-15 thru L-12098-15 L-12099-15,12101-15 and up and L-12100-15 O-290 series Any engine modified Any engine not modified in accordance with Lycoming in accordance with Service Instruction No. 1272. Lycoming S.I.No. 1272 O-320 series L-33329-27A thru L-41054-27A L-41055-27A and up O-320-E2D Series: L-41029-27A and up; O-320-E3D series: L-41017-27A, L-41021-27A and up. O-320-B and -D L-6809-39A thru L-6971-39A L-6972-39A and up IO-320 series L-4953-55A thru 5270-55A L-5271-55A and up LIO-320 series L-292-66A thru L-296-66A L-297-66A and up O-360, HO-360- L-17440-36A thru L-19846-36A L-19817-36A, L-19818-36A, B1A, B1B Series and L-17427 L-19847-36A and up VO-360, IVO-360 Any engine modified in Any engine not modified in Series accordance with Lycoming accordance with S.I. 1272 Lycoming S.I. 1272 HIO-360-A1A, -B1A L-10179-51A thru L-13351-51A L-12557-51A, L-12727-51A, L-12853-51A, L-12890-51A, L-13513-51A and up HIO-360-D1A L-10179-51A thru L-13512-51A L-12892-51A thru L-12894-51A, L-12919-51A, L-12966-51A thru L-12968-51A, L-12979-51A, L-13034-51A thru L-13040-51A, L-13124-51A thru L-13128-51A, L-13170-51A thru L-13174-51A, L-13257-51A thru L-13262-51A, L-13280-51A thru L-13283-51A, L-13513-51A and up HIO-360-C1A L-10179-51A thru L-13372-51A L-11578-51A, L-12193-51A, L-12445-51A, L-12763-51A, L-12845-51A, L-12847-51A thru L-12849-51A, L-12895-51A, L-12897-51A, L-12898-51A, L-12911-51A, L-12912-51A, L-12914-51A thru L-12916-51A, L-12918-51A, L-12969-51A thru L-12972-51A, L-13041-51A, L-13042-51A, L-13119-51A thru L-13123-51A, L-13142-51A thru L-13148-51A, L-13271-51A thru L-13275-51A, L-13373-51A and up HIO-360-C1B L-10179-51A thru L-13551-51A L-13352-51A and up AEIO-360 series L-10179-51A thru L-13616-51A L-13617-51A and up IO-360 series L-10146-51A thru L-13540-51A L-13541-51A and up IO-360-A1B6D L-10115-51A thru L-13529-51A L-13530-51A and up AIO-360 series L-171-63A thru L-208-63A L-209-63A and up LIO-360 series L-634-67A thru L-1059-67A L-1060-67A and up TIO-360 series L-116-64A thru L-145-64A L-146-64A and up O-540 series L-15327-40A thru L-17105-40A L-17098-40A, L-17103-40A, except O-540- L-17106-40A and up H1A5D, -H1B5D, -H2A5D, -H2B5D series IO-540 series L-10536-48 thru L-12896-48 L-10623-48, L-10624-48, except IO-540- L-10813-48, L-10814-48 K1A5D, -K1B5D, L-11246-48, L-11247-48, -K1E5D, -K1F5D L-11266-48, L-11267-48, -M2A5D, -P1A5 L-12144-48 thru L-12147-48,-S1A5, -T4A5D series L-12231-48, L-12287-48 thru L-12298-48, L-12371-48 thru L-12378-48, L-12463-48, L-12464-48, L-12636-48, L-12637-48, L-12684-48, L-12685-48, L-12711-48 thru L-12713-48, L-12726-48 thru L-12729-48, L-12734-48 thru L-12739-48, L-12744-48 thru L-12753-48, L-12806-48, L-12821-48 thru L-12823-48, L-12840-48 thru L-12844-48, L-12859-48 thru L-12868-48, L-12888-48, L-12897-48 and up Also applies to the same models and series engines overhauled/remanufactured by Lycoming between December 18, 1972 and December 10, 1974 and to any other engine in which the provisions of Lycoming Service Instruction No. 1272 have been incorporated. Compliance required as indicated. 1. For the Lycoming O-360-C2D, HO-360, HIO-360, VO-360 and IVO-360 series engines, compliance is required within the next 10 hours in service after the effective date of this AD or before the engines have accumulated 400 hours in service, whichever occurs later, unless already accomplished. 2. For the O-235, O-290, O-320, IO-320, LIO-320, O-360, IO-360, AEIO-360, AIO-360, LIO-360, TIO-360, O-540 and IO-540 series engines compliance is required within the next 50 hours in service after the effective date of this AD or before the engines have accumulated 400 hours in service, whichever occurs later, unless already accomplished. To prevent oil pump failures, inspect, replace and assemble the oil pump drive shaft and drive impeller in accordance with the inspection and procedure paragraphs of Lycoming Service Bulletin No. 381B or No. 385C or later revision approved by Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. Upon submission of substantiating data thru an FAA maintenance inspector, the Chief, Engineering & Manufacturing Branch, Eastern Region, may adjust the compliance time specified in this A.D. The manufacturer's inspections and replacement procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer, may obtain copies upon request to Avco Lycoming Division Service Department, Williamsport, Pennsylvania 17701. These documents may also be examined at the Engineering and Manufacturing Branch, Federal Aviation Administration, Eastern Region, Federal Building, John F. Kennedy International Airport, Jamaica, New York 11430. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its Eastern Region Headquarters. Amendment 39-2155 was effective April 9, 1975. Amendment 39-2260 was effective July 16, 1975. Amendment 39-2470 was effective December 24, 1975. This amendment 39-3013 is effective August 18, 1977. ## Affected data sheets (10) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS 1E10](https://openairdocs.org/tcds/1E10): Lycoming Engines; names 70 of 89 models: IO-360-C1D6, AEIO-360-B1G6, IO-360-B2F6, HIO-360-C1B, AEIO-360-A1B6, IO-360-K2A, AIO-360-A1B, IO-360-B2E… - [TCDS E-286](https://openairdocs.org/tcds/E-286): Lycoming Engines; names 63 of 72 models: O-360-C1C, O-360-C1A, O-360-E2AD, O-360-E2BD, O-360-B1A, O-360-A1A, O-360-A1H6, O-360-A1G6… - [TCDS E-274](https://openairdocs.org/tcds/E-274): Lycoming Engines; names 59 of 60 models: O-320-H3BD, O-320-D2G, O-320-E2G, O-320-D3G, O-320-C2B, O-320-E2B, O-320-E2C, O-320-D2H… - [TCDS 1E4](https://openairdocs.org/tcds/1E4): Lycoming Engines; names 58 of 81 models: IO-540-L1A5D, IO-540-L1C5, IO-540-A1A5, IO-540-AA1B5, IO-540-B1C5, IO-540-K1J5D, IO-540-G1A5, IO-540-C4D5… - [TCDS E-223](https://openairdocs.org/tcds/E-223): Lycoming Engines; names 42 of 43 models: O-235-K2C, O-235-M3C, O-235-A, O-235-F2A, O-235-P2A, O-235-E1, O-235-J2B, O-235-C2B… - [TCDS E-295](https://openairdocs.org/tcds/E-295): Lycoming Engines; names 40 of 47 models: O-540-L3C5D, O-540-J2B5D, O-540-J1B5D, O-540-B2C5, O-540-B1D5, O-540-G2A5, O-540-H2A5, O-540-J1D5D… - [TCDS 1E12](https://openairdocs.org/tcds/1E12): Lycoming Engines; names 17 of 32 models: IO-320-B1C, IO-320-F1A, LIO-320-B1A, IO-320-B1D, IO-320-E1B, IO-320-B2A, IO-320-E2B, IO-320-E1A… - [TCDS E-229](https://openairdocs.org/tcds/E-229): Lycoming Division AVCO Corporation; names 10 of 10 models: O-290-D2, O-290-D, O-290-B, O-290-A, O-290-CP, O-290-AP, O-290-D2A, O-290-C… - [TCDS 1E1](https://openairdocs.org/tcds/1E1): Lycoming Engines; names 4 of 4 models: IVO-360-A1A, VO-360-A1A, VO-360-B1A, VO-360-A1B - [TCDS E16EA](https://openairdocs.org/tcds/E16EA): Lycoming Engines; names 4 of 4 models: TIO-360-A1B, TIO-360-A1A, TIO-360-C1A6D, TIO-360-A3B6 ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 80,570 (0 by airframe model, 80,570 by engine model) - Makers: Piper 31,868, Cessna 18,682, Mooney 3,613, Beech 1,767, Bellanca 1,640, Grumman American Avn. 1,521, Robinson Helicopter 1,496, Textron 1,171, Aviat 916, American Champion 903 Models with the most aircraft: - [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series): 27,057 aircraft (engine model) - [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series): 11,931 aircraft (engine model) - [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series): 6,174 aircraft (engine model) - [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series): 6,133 aircraft (engine model) - [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series): 5,228 aircraft (engine model) - [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series): 4,219 aircraft (engine model) - [Lycoming IO-360-L2A](https://openairdocs.org/engine/lycoming-io-360-l2a): 2,644 aircraft (engine model) - [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series): 2,126 aircraft (engine model) - [Lycoming IO-320 series](https://openairdocs.org/engine/lycoming-io-320-series): 1,707 aircraft (engine model) - [Lycoming O-360 series](https://openairdocs.org/engine/lycoming-o-360-series): 1,023 aircraft (engine model) - [Lycoming IO-360-B4A](https://openairdocs.org/engine/lycoming-io-360-b4a): 985 aircraft (engine model) - [Lycoming 0-360-A1D](https://openairdocs.org/engine/lycoming-0-360-a1d): 968 aircraft (engine model) - [Lycoming AEIO-360 series](https://openairdocs.org/engine/lycoming-aeio-360-series): 882 aircraft (engine model) - [Lycoming IO-360-A1B6D](https://openairdocs.org/engine/lycoming-io-360-a1b6d): 844 aircraft (engine model) - [Lycoming O-360-A1A](https://openairdocs.org/engine/lycoming-o-360-a1a): 601 aircraft (engine model) - [Lycoming O-360-A4M](https://openairdocs.org/engine/lycoming-o-360-a4m): 418 aircraft (engine model) - [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series): 336 aircraft (engine model) - [Lycoming O-360-A1P](https://openairdocs.org/engine/lycoming-o-360-a1p): 302 aircraft (engine model) - [Lycoming O-540-F1B5](https://openairdocs.org/engine/lycoming-o-540-f1b5): 299 aircraft (engine model) - [Lycoming O-320-E2D](https://openairdocs.org/engine/lycoming-o-320-e2d): 258 aircraft (engine model) All 269 models: https://openairdocs.org/ad/75-08-09/models.md Every aircraft: https://openairdocs.org/ad/75-08-09/aircraft.md Its text cites no advisory circulars or STCs. ## NTSB investigations that cite this AD (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CHI78FET17](https://openairdocs.org/ntsb/CHI78FET17), Apr 16, 1978: Beech B24R (N2525W), Berrien Sprngs, MI, substantial damage --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.