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AD 87-10-06 R1

Airworthiness directive · Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more

FAA copy· on FAA DRS

About Source files 1

Effective: September 1, 1989
Models: IO-360-B4, IVO-360-A1A, O-340-A1A, O-340-A2A, O-340-B1A, O-540-E4G5 and 240 more
Data sheets: TCDSE-286 TCDSE-274 TCDSE-295 6 more
Registered aircraft: 71,992 matched by model
Product: Engine
Amendment: 39-6293

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

On this page

Affected TCDS · 9

The type certificate data sheets for the models this AD names, matched by model and maker.

TCDS E-286Lycoming EnginesNames 54 of 72 models: O-360-C1C, O-360-C1A, O-360-B1A and 51 more TCDS E-274Lycoming EnginesNames 52 of 60 models: O-320-D2G, O-320-E2G, O-320-D3G and 49 more TCDS E-295Lycoming EnginesNames 46 of 47 models: O-540-L3C5D, O-540-J2B5D, O-540-J1B5D and 43 more TCDS 1E12Lycoming EnginesNames all 32 models: AEIO-320-E1B, AEIO-320-D2B, AIO-320-C1B and 29 more TCDS 1E10Lycoming EnginesNames 24 of 89 models: AEIO-360-B1G6, HIO-360-B1B, IO-360-B2F6 and 21 more TCDS 1E4Lycoming EnginesNames 21 of 81 models: AEIO-540-D4B5, IO-540-W3A5D, IO-540-C1B5 and 18 more TCDS E14EALycoming EnginesNames 8 of 40 models: TIO-540-G1A, TIO-540-C1A, TIO-540-AB1AD and 5 more TCDS 1E1Lycoming EnginesNames all 4 models: IVO-360-A1A, VO-360-A1A, VO-360-B1A and VO-360-A1B TCDS E-277Lycoming EnginesNames all 3 models: O-340-A2A, O-340-B1A and O-340-A1A

Registered aircraft · 71,992

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker

Piper31,457 aircraft
Cessna15,341 aircraft
Mooney3,779 aircraft
Beech1,661 aircraft
Bellanca1,474 aircraft
Other makers8,41018,280 aircraft

By year built

19102026

Registered aircraft by year built: 63,156 aircraft
1910	1
1929	1
1930	2
1931	2
1932	1
1936	1
1937	1
1938	1
1939	2
1940	8
1941	12
1942	2
1943	10
1945	3
1946	138
1947	108
1948	62
1949	22
1950	53
1951	59
1952	67
1953	91
1954	133
1955	419
1956	508
1957	563
1958	697
1959	846
1960	653
1961	600
1962	730
1963	986
1964	1,342
1965	1,679
1966	2,247
1967	2,258
1968	2,743
1969	2,229
1970	1,046
1971	1,250
1972	1,723
1973	2,226
1974	2,522
1975	2,483
1976	3,018
1977	2,806
1978	3,431
1979	2,806
1980	1,314
1981	1,243
1982	592
1983	392
1984	418
1985	364
1986	190
1987	181
1988	196
1989	332
1990	290
1991	329
1992	324
1993	362
1994	337
1995	379
1996	420
1997	552
1998	902
1999	1,066
2000	1,071
2001	883
2002	717
2003	841
2004	965
2005	948
2006	410
2007	308
2008	302
2009	234
2010	231
2011	187
2012	208
2013	214
2014	199
2015	155
2016	178
2017	204
2018	238
2019	286
2020	239
2021	228
2022	246
2023	258
2024	250
2025	242
2026	140

8,836 with no year recorded

By model

See all 197 models

Aircraft

N1000PJames Bond Aviation LLC · Belgrade, MNBuilt 1963 · S/N 28-1000 N1000SButler County Warbirds Inc · Middletown, OHBuilt 1972 · S/N AA5-0107 N1001A1st Avenue Ttc LLC · Los Angeles, CAS/N CG3

See all 71,992 aircraft

NTSB investigations that cite this AD · 2

Their narratives or probable cause name AD 87-10-06, often to say whether the aircraft complied with it.

NTSB SEA94LA235Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Coolin, IDThe failure of the engine manufacturer to properly remanufacture and adequately inspect the no. 1 rocker arm prior to its installation on the engine. This resulted in fatigue cracking of the rocker arm and a subsequent loss of engine power.Sep 7, 1994 · N61838 · Substantial damage NTSB LAX87LA275Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-161 · Milpitas, CAWhile climbing to cruise plt heard a loud knocking noise followed by 'violent vibrations' & a loss of power. Plt made a frcd lnding in a newly excavated construction site & went over an embankment. Inves revealed deformation of the #4 cylinder valve cover. #4…Jul 20, 1987 · N91338 · Substantial damage