The Aviation DataBase DataBases updated May 17, 2019: As of Biweekly 2019-10/-11 | |||
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AD Number | Rec | Subject | Effective | |
55-02-02 | No | Lower access. drive adapter gasket | 02/28/55 | |
59-10-07 | No | Cylinder baffle clamps | 07/01/59 | |
63-23-02 | Yes | 7/16 Diameter exhaust valve system | 08/06/68 | |
64-16-05 | No | Oil seal failure | 07/10/64 | |
66-20-04 | No | Oil filter adapter gasket | 08/27/66 | |
75-08-09 | No | Oil pump failure | 08/18/77 | |
81-18-04 R2 | No | Superseded by 96-09-10 | 06/07/82 | |
87-10-06 R1 | No | Rocker arm assemblies | 09/01/89 | |
90-04-06 R1 | No | External oil line | 05/28/91 | |
91-14-22 | Yes | Superseded by 2004-10-14 (2004-10-14 C1) | 08/19/91 | |
92-12-05 | No | Piston pins | 07/10/92 | |
94-14-13 L | No | Superseded by 95-26-02 | 06/23/94 | |
95-26-02 | No | Contaminated aviation fuel | 01/24/96 | |
96-09-10 | No | Iron and aluminum impellers in oil pumps | 07/15/96 | |
97-01-03 | No | Superseded by 97-15-11 | 01/21/97 | |
97-15-11 | No | Defective piston pins | 08/12/97 | |
98-02-08 | Yes | Crankshaft failure | 03/30/98 | |
98-17-11 | No | Crankshafts serviced by Nelson Balancing | 10/19/98 | |
98-17-11 C1 | No | Crankshafts serviced by Nelson Balancing | 10/19/98 | |
2004-10-14 | Yes | Prop Strike - crankshaft gear installation | 06/25/04 | |
2005-26-10 | No | Superseded by 2006-12-07 | 01/31/06 | |
2006-12-07 | No | Non-TC Holder - ECi cylinder assemblies | 07/11/06 | |
2007-04-19 R1 | No | Non-TC Holder - Superior Air Parts - Cylinder Assemblies | 06/01/07 | |
2008-19-05 | Yes | Superseded by 2009-26-12 | 10/20/08 | |
2009-26-12 | Yes | Non-TC Holder - ECi cylinder assemblies; P/N AEL65102 Series | 02/04/10 | |
2012-03-07 | No | Non-TC Holder - Volare - Marvel-Schebler (BorgWarner) HA-6 carburetors | 03/27/12 | |
2017-16-11 | No | Connecting rod small end bushings | 08/16/17 |
67-01-04 | No | Superior Flow US5003-27, -33 Oil Filters - replacement | 01/02/73 | --- | |
69-24-03 | No | Marvel-Schebler MA-3 Series Carburetors - modification | 11/29/69 | --- | |
80-06-05 | No | Impulse coupling failure | 03/28/80 | --- | |
81-16-05 | No | 4200 and 6200 series magnetos | 08/06/81 | --- | |
93-19-04 | No | Revised by 93-19-04 C1 | 10/18/93 | --- | |
98-01-06 | Yes | Carburetor check: presence & condition of one- or two-piece venturi; modify/replace | 02/13/98 | --- | |
2006-12-07 | No | ECi cylinder assemblies, P/N AEL65102 series "Classic Cast | 07/11/06 | --- | |
2007-04-19 R1 | No | Superior Air Parts Cylinder Assembly removal | 06/01/07 | --- | |
2009-26-12 | Yes | Cracks: head-to-barrel interface; cylinder assemblies replacement | 02/04/10 | --- |