1961 Apache PA-23 Dirk Slotboom
1961 Apache PA-23 courtesy of Dirk Slotboom

Airworthiness Directives, Piper PA-23 ADs including PA-23, PA-23-160, PA-23-235 and PA-23-250. This list of Piper Apache and Aztec ADs is provided as a service and is copied directly from the FAA website. We do not guarantee this is up-to-date. Click here to browse this on the FAA website.

PA-23 ADs

AD NumberEffective DateSubject
55-11-02Thermal Relief Valves
55-13-01Idler Bellcrank Installation
55-14-02Hydraulic Cylinder Replacement
55-21-02Front Wing Spar Attachment Fitting
56-27-03Aileron Balance Weight Bracket
57-01-02Stabilizer Attachment Bolts
57-05-03Elevator Push-Pull Tube
57-10-02Oil Pressure Gage Line
57-13-08Anti-Retraction Device
57-19-01Elevator Rod End Bearing
57-21-01Rudder Trim Tab Pin
58-01-06Stabilizer Fitting
58-04-03Rudder Trim Tab Adjustment Screw
58-22-03Goodrich G-3-787 Wheel Assembly
59-08-03Operating Limitations Placard
60-03-08Fuel Control Cable and Wire
63-26-037/13/1971Tail Area Inspection
71-12-016/8/1971Engine Control Support Bracket
71-18-039/2/1971Left Nose Wheel Door Hinge
74-22-0510/23/1974Full Valve Stem and Cap Nut
78-08-0311/10/1978Rudder Hinge Bracket Assembly
79-11-068/29/1979Landing Gear Selector Lever
80-18-109/8/1980Fuel Selector Valves
80-26-04 R18/28/1981Rudder Pulley at Cabin Step
81-04-05 R12/11/1982Flap-Spar Hinge Attachment
81-15-037/20/1981Engine Inlet Air Filters
85-02-05 R111/21/1997Piper P/N’s 81090-02, 683-107 Placard Installation
88-21-07 R18/22/1989Fuel Filler Compartment
92-13-048/21/1992Fuel Tank Modifications
93-06-025/12/1993Fuel Hose
96-21-0412/10/1996Hydraulic Hose Inspection
99-14-018/17/1999AFM – Limitations Section – Icing
2017-15-058/28/2017Air Conditioning
2009-13-06 R111/3/2011Doors
2009-13-067/24/2009Nose baggage door
2006-12-077/11/2006ECi cylinder assemblies
2006-03-083/10/2006Vacuum pumps
2005-18-2010/14/2005“FASTprop” propeller de-icers
2004-25-16 R16/20/2005Fuel regulator shutoff valve
2005-01-192/23/2005Mode S transponders
2003-09-136/23/2003Flap control torque tube assembly
98-21-21 R15/1/2000Electric Inflatable Door Seals
98-25-0212/22/1998Top-mounted Antenna
63-24-0311/27/1963Rudder Trim Tab Control Rod Assembly
63-12-026/7/1963Elevator Rib Cracks
63-07-034/15/1963Rudder Trim Tabs
60-03-07Engine Starter Solenoid

PA-23-160 ADs

AD NumberEffective DateSubject
60-03-08Fuel Control Cable and Wire
63-26-037/13/1971Tail Area Inspection
71-12-016/8/1971Engine Control Support Bracket
71-18-039/2/1971Left Nose Wheel Door Hinge
74-22-0510/23/1974Full Valve Stem and Cap Nut
78-08-0311/10/1978Rudder Hinge Bracket Assembly
79-11-068/29/1979Landing Gear Selector Lever
80-18-109/8/1980Fuel Selector Valves
80-26-04 R18/28/1981Rudder Pulley at Cabin Step
81-15-037/20/1981Engine Inlet Air Filters
85-02-05 R111/21/1997Piper P/N’s 81090-02, 683-107 Placard Installation
88-21-07 R18/22/1989Fuel Filler Compartment
92-13-048/21/1992Fuel Tank Modifications
93-06-025/12/1993Fuel Hose
96-21-0412/10/1996Hydraulic Hose Inspection
99-14-018/17/1999AFM – Limitations Section – Icing
2017-15-058/28/2017Air Conditioning
2009-13-06 R111/3/2011Doors
2009-13-067/24/2009Nose baggage door
2006-12-077/11/2006ECi cylinder assemblies
2006-03-083/10/2006Vacuum pumps
2005-18-2010/14/2005“FASTprop” propeller de-icers
2004-25-16 R16/20/2005Fuel regulator shutoff valve
2005-01-192/23/2005Mode S transponders
2003-09-136/23/2003Flap control torque tube assembly
98-21-21 R15/1/2000Electric Inflatable Door Seals
63-24-0311/27/1963Rudder Trim Tab Control Rod Assembly
63-07-034/15/1963Rudder Trim Tabs

PA-23-235 ADs

AD NumberEffective DateSubject
71-18-039/2/1971Left Nose Wheel Door Hinge
72-11-015/19/1972Possible Fire From Fuel Vapor
74-13-034/30/1976Stabilator Attach Bolts
74-22-0510/23/1974Full Valve Stem and Cap Nut
79-11-068/29/1979Landing Gear Selector Lever
80-18-109/8/1980Fuel Selector Valves
80-26-04 R18/28/1981Rudder Pulley at Cabin Step
81-04-05 R12/11/1982Flap-Spar Hinge Attachment
83-22-01 R111/25/1998Fuel Weight Limitations
85-02-05 R111/21/1997Piper P/N’s 81090-02, 683-107 Placard Installation
88-21-07 R18/22/1989Fuel Filler Compartment
93-06-025/12/1993Fuel Hose
96-21-0412/10/1996Hydraulic Hose Inspection
99-05-093/19/1999Induction Air Filter
99-14-018/17/1999AFM – Limitations Section – Icing
2017-15-058/28/2017Air Conditioning
2009-13-06 R111/3/2011Doors
2009-13-067/24/2009Nose baggage door
2006-12-077/11/2006ECi cylinder assemblies
2006-03-083/10/2006Vacuum pumps
2004-25-16 R16/20/2005Fuel regulator shutoff valve
2005-01-192/23/2005Mode S transponders
2005-01-102/22/2005Turbocharger Oil Reservoir
2003-09-136/23/2003Flap control torque tube assembly
98-21-21 R15/1/2000Electric Inflatable Door Seals

PA-23-250 ADs

AD NumberEffective DateSubject
72-14-059/3/1974Engine Exhaust System Stacks
75-11-055/20/1975Glare Shield Panel
76-11-076/4/1976Magnetic Compass Deviations
77-01-051/13/1977Strobe NAV Light Wire
77-09-105/12/1977Electric Trim Switch
77-23-0912/19/1978Fuel Flow
78-02-031/26/1978Stabilator
78-25-031/15/1979Hose Assemblies
79-11-068/29/1979Landing Gear Selector Lever
79-26-0112/24/1979Stabilator Skins and Frame
80-18-109/8/1980Fuel Selector Valves
80-26-04 R18/28/1981Rudder Pulley at Cabin Step
81-04-05 R12/11/1982Flap-Spar Hinge Attachment
83-22-01 R111/25/1998Fuel Weight Limitations
85-02-05 R111/21/1997Piper P/N’s 81090-02, 683-107 Placard Installation
88-21-07 R18/22/1989Fuel Filler Compartment
93-06-025/12/1993Fuel Hose
96-21-0412/10/1996Hydraulic Hose Inspection
99-05-093/19/1999Induction Air Filter
99-14-018/17/1999AFM – Limitations Section – Icing
2017-15-058/28/2017Air Conditioning
2015-24-051/12/2016PLACARDS AND MARKINGS; Interior Placards
2009-13-06 R111/3/2011Doors
2009-13-067/24/2009Nose baggage door
2006-12-077/11/2006ECi cylinder assemblies
2005-18-2010/14/2005“FASTprop” propeller de-icers
2004-25-16 R16/20/2005Fuel regulator shutoff valve
2005-01-192/23/2005Mode S transponders
2005-01-102/22/2005Turbocharger Oil Reservoir
2003-09-136/23/2003Flap control torque tube assembly
98-21-21 R15/1/2000Electric Inflatable Door Seals
We check the FAA website periodically but we do NOT guarantee we have every AD listed above.
Visit the FAA website for the most-accurate information.



Browse through Piper-related FAA announcements, service bulletins, NPRMs and more on this page.

Browse through ADs from other models on this page.