The Aviation DataBase: Service Information: Air Tractor
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DataBases updated: Jul 16th, 2025
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Drawings
NameRevisionLangSubjectDate
A en Installation - Wing - 8021/7/2009
D en Modification - Wing Center Splice - 80211/25/2005
en Modification - Wing Center Splice - 80211/25/2005
en 802 Spar Inspection Holes and Vent Tube Modification11/19/2003
Process Specifications
NameRevisionLangSubjectDate
en Eddy Current Inspection of Lower Wing Spar Caps6/4/2002
C en Production Spar Cap Machining Procedures - Line Reaming and Cold Working1/30/2004
Service Letters
NameRevisionLangSubjectDate
en Control System Inspection
en Elevator Pulley Installation
en Aileron Push-Pull System5/12/1961
en Battery Cable and Wire Bundle Through Firewall2/1/1978
reiss en Attach Bolts & Fittings - Front Spar - Vertical Fin1/15/1982
en Eye Bolt at Top of Master Cylinder2/3/1978
en Wing Attach Angle Installation3/28/1980
revised en Main Landing Gears3/5/1986
en Fuselage Fittings - Vertical Fin Front Spar Attach2/12/1983
revised en Wing Lower Spar Cap Splice Rework10/4/2004
revised en Wing Lower Spar Cap Splice Rework10/23/2002
revised en Wing Lower Spar Cap Splice Rework10/23/2002
en Parking Brake Valve ((Instructions))12/12/1988
revised en Inboard Spar Structure Replacement12/21/2005
reiss en Extreme Corrosion on Wing Spar Caps5/6/1991
revised en Cockpit Overturn Skid Plate10/3/2000
revised en Cockpit Overturn Skid Plate11/7/2007
revised en Cockpit Overturn Skid Plate9/19/2008
en Main Landing Gear Failure, P/N 40091-27/29/1995
revised en Horizontal Stabilizer Attach Eyebolts10/21/2004
en Horizontal Stabilizer Attach Eyebolts8/7/2004
en R-1340 Crankshafts - P/N 90134 Counterweight Cracking11/29/1994
en R-1340 Crankshafts - P/N 90134 Counterweight Cracking2/1/1995
revised en Vertical Fin Front and Rear Spar Failure8/7/1996
revised en Flap System Travel Overrun10/10/1996
revised en Vertical Fin Front Spar Fitting11/27/2002
en Flap Actuator Jack Screw Failure5/15/1998
reiss en Upper Longeron Failures in Aft Fuselage Structure11/10/2003
en Vertical Fin Front Spar Failure2/9/2000
revised en Vertical Fin Front Spar Failure3/7/2000
en Cracks in Lower Spar Caps in AT-502A and Early AT-502 Aircraft6/13/2000
revised en Cracks in Lower Spar Caps in AT-502A and Early AT-5023/26/2001
revised en Wing Centersplice Rework for AT-400 Series 3/26/2001
revised en Wing Centersplice Rework for AT-802 Series 3/26/2001
revised en Wing Centersplice Rework for AT-602 Series 3/26/2001
revised en Wing Centersplice Rework for AT-500 Series 3/26/2001
en Upper Longeron Failures in Aft Fuselage Structure11/13/2001
A en Upper Longeron Failures in Aft Fuselage Structure11/10/2003
B en Upper Longeron Failures in Aft Fuselage Structure11/10/2003
revised en Upper Longeron Failures in Aft Fuselage Structure5/1/2003
revised en Upper Longeron Failures in Aft Fuselage Structure10/20/2002
en Horizontal Stabilizer Brace Tube Assembly8/25/2004
revised en Horizontal Stabilizer Brace Tube Assembly10/24/2006
en Split Sleeve Cold Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft that Have Been Modified to the 8-Hole Configuration9/30/2004
en Split Sleeve Cold Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft in the 7-Hole Configuration4/25/2005
en Split Sleeve Co1d Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft in the 8-Hole Configuration4/25/2005
revised en Upper Rudder Hinge5/17/2006
revised en Upper Rudder Hinge6/2/2008
en Hopper Rinse Tank/Foam Tank Shelf Attach Angles8/31/2005
en Engine Mount Cracking12/12/2005
B en Engine Mount Cracking11/30/2007
C en Engine Mount Cracking4/17/2008
revised en Engine Mount Cracking1/22/2007
en Retrofit Installation of GEN II FRDS Controls and Hydraulics6/15/2010
A en Rudder-Aileron Interconnect Cable Shields4/6/2009
en Split Sleeve Cold Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft in the 9-Hole Configuration8/1/2009
en Wing Inspection and Lower Spar Cap Replacement Times10/4/2009
en Engine Mount Tube Inspections3/10/2011
en Flap Torque Tube12/9/2019