Airworthiness Directives

The following Airworthiness Directives are links to the FAA Web Site on Certification and are not guaranteed to work. This page may not be up to date and SHOULD NOT be considered the final word on ADs for any airplane. You and your mechanic have the responsibility to ensure that your plane has complied with all ADs.

Many thanks to Jeffrey Osier-Mixon for compiling this information.

Model 23 Musketeer

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-23-09 11/14/1974 Inflight Situations
73-23-06 11/19/1973 Throttle Control Cable
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
73-12-11 07/27/1973 Carburetor Air Box Valve
70-15-03 07/21/1970 Fuel Selector Valve
68-17-06 08/27/1968 Parking Brake
65-19-02 08/26/1965 Aileron Control Column Links
65-11-01 06/19/1965 Instrument Static System
64-06-01 03/17/1964 Cabin Heater/Muffler Weld Assembly
63-06-01 03/21/1963 Cabin Door Hinge

Model A23 Musketeer

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
70-15-03 07/21/1970 Fuel Selector Valve
68-17-06 08/27/1968 Parking Brake
65-19-02 08/26/1965 Aileron Control Column Links

Model A23-19

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-23-09 11/14/1974 Inflight Situations
73-23-06 11/19/1973 Throttle Control Cable
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
73-12-11 07/27/1973 Carburetor Air Box Valve
70-15-03 07/21/1970 Fuel Selector Valve
68-17-06 08/27/1968 Parking Brake

Model A23-24

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
88-10-01 06/06/1988 Fuel Boost Pump
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
71-25-03 12/03/1971 Fuel and Oil Restrictor
70-15-03 07/21/1970 Fuel Selector Valve
68-17-06 08/27/1968 Parking Brake

Model A23A Musketeer

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
71-25-03 12/03/1971 Fuel and Oil Restrictor
70-15-03 07/21/1970 Fuel Selector Valve
68-17-06 08/27/1968 Parking Brake

Model A24A

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
88-10-01 06/06/1988 Fuel Boost Pump
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
71-25-03 12/03/1971 Fuel and Oil Restrictor

Model A24R Sierra

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
88-10-01 06/06/1988 Fuel Boost Pump
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
71-25-03 12/03/1971 Fuel and Oil Restrictor

Model B24 Sierra

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-23-09 11/14/1974 Inflight Situations
73-23-06 11/19/1973 Throttle Control Cable
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
73-12-11 07/27/73 Carburetor Air Box Valve
71-25-03 12/03/1971 Fuel and Oil Restrictor
70-15-03 07/21/1970 Fuel Selector Valve

Model B24R Sierra

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
88-10-01 06/06/1988 Fuel Boost Pump
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-16-06 08/14/1978 Structural Integrity of Trim Tab Rod
78-04-01 02/20/1978 Wing Flap Control
76-10-09 05/28/1976 Wing Flaps
75-20-08 09/15/1975 Propeller governor
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-05-01 02/27/1974 Restricted Fuel Tank Vent Lines
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets

Model C23 Musketeer

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-16-06 08/14/1978 Structural Integrity of Trim Tab Rod
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
76-10-09 05/28/1976 Wing Flaps
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-14-05 07/10/1974 Placard, Spins
74-14-02 08/28/1974 Carburetor and Air Controls
74-05-01 02/27/1974 Restricted Fuel Tank Vent Lines
73-23-06 11/19/1973 Throttle Control Cable
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
73-12-11 07/27/1973 Carburetor Air Box Valve
71-25-03 12/03/1971 Fuel and Oil Restrictor

Model C24R Sierra

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
88-10-01 06/06/1988 Fuel Boost Pump
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-16-06 08/14/1978 Structural Integrity of Trim Tab Rod
78-04-01 02/20/1978 Wing Flap Control

Model 19A Sport

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-23-09 11/14/1974 Inflight Situations
73-23-06 11/19/1973 Throttle Control Cable
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
73-12-11 07/27/73 Carburetor Air Box Valve
71-25-03 12/03/1971 Fuel and Oil Restrictor
70-15-03 07/21/1970 Fuel Selector Valve

Model B19 Sport

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
89-24-09 12/04/1989 Aileron Rod Ends
87-02-08 03/04/1987 Stabilator Hinge Assemblies
85-05-02 04/25/1985 Fuel Selector Guard Modification
78-16-06 08/14/1978 Structural Integrity of Trim Tab Rod
78-04-01 02/20/1978 Wing Flap Control
77-03-05 03/14/1977 Main Landing Gear
76-25-05 01/24/1977 Aileron Control
76-10-09 05/28/1976 Wing Flaps
75-17-37 08/20/1975 Carburetor Mixture and/or Heat Control
75-01-04 01/07/1975 Fuel Selector Valve
74-14-05 07/10/1974 Placard, Spins
74-14-02 08/28/1974 Carburetor and Air Controls
74-05-01 02/27/1974 Restricted Fuel Tank Vent Lines
73-25-04 03/18/74 Maximum Design Weight Placard
73-23-06 11/19/1973 Throttle Control Cable
73-23-03 11/13/1973 Flexible Induction Air Ducts
73-20-07R2 09/03/1982 Wing Attach Bolts/Brackets
73-12-11 07/27/73 Carburetor Air Box Valve
71-25-03 12/03/1971 Fuel and Oil Restrictor

Model 76 Duchess

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
97-06-10 05/16/97 Main Landing Gear “A” Frame Assembly
82-02-03 02/14/82 Elevator Control Cable
80-19-12 R1 06/14/82 Engine Mount Structure
80-07-06 04/03/80 Rudder and Rudder Trim Tab
79-23-06 11/23/79 Replacing Stop Bolt Nuts
79-17-06 08/27/79 Main Landing Gear Clevis Pin
79-09-04 05/07/79 Engine Starter Relay Failures
78-20-08 10/12/78 Trim Tab Push Rods

Model 77 Skipper

Directive Issued Date Description
99-05-13 R1 WD 07/05/2000 Withdrawal of AD 99-05-13
91-23-01 12/03/91 Nose Landing Gear Fork
83-23-03 11/22/83 Balance Weight Attach Bracket Installation
82-09-03 05/06/82 Shoulder Harness Protection
80-21-10 11/13/80 Engine Mount Attachment
80-07-07 04/03/80 Aileron Control System
80-07-06 04/03/80 Rudder and Rudder Trim Tab
79-23-05 11/19/79 Attachment Bolts Threads and Nut Plates
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