Service Letters| Name | Revision | Lang | Subject | Date |
|---|
| SL 4 |
|
en |
Control System Inspection | |
| SL 6 |
|
en |
Elevator Pulley Installation | |
| SL 7 |
|
en |
Aileron Push-Pull System | 5/12/1961 |
| SL 23 |
|
en |
Battery Cable and Wire Bundle Through Firewall | 2/1/1978 |
| SL 26 |
reiss |
en |
Attach Bolts & Fittings - Front Spar - Vertical Fin | 1/15/1982 |
| SL 29 |
|
en |
Eye Bolt at Top of Master Cylinder | 2/3/1978 |
| SL 36 |
|
en |
Wing Attach Angle Installation | 3/28/1980 |
| SL 45 |
revised |
en |
Main Landing Gears | 3/5/1986 |
| SL 47 |
|
en |
Fuselage Fittings - Vertical Fin Front Spar Attach | 2/12/1983 |
| SL 55 |
revised |
en |
Wing Lower Spar Cap Splice Rework | 10/4/2004 |
| SL 55 |
revised |
en |
Wing Lower Spar Cap Splice Rework | 10/23/2002 |
| SL 70 |
revised |
en |
Wing Lower Spar Cap Splice Rework | 10/23/2002 |
| SL 76 |
|
en |
Parking Brake Valve ((Instructions)) | 12/12/1988 |
| SL 80GG |
revised |
en |
Inboard Spar Structure Replacement | 12/21/2005 |
| SL 90 |
reiss |
en |
Extreme Corrosion on Wing Spar Caps | 5/6/1991 |
| SL 97 |
revised |
en |
Cockpit Overturn Skid Plate | 10/3/2000 |
| SL 97 |
revised |
en |
Cockpit Overturn Skid Plate | 11/7/2007 |
| SL 97 |
revised |
en |
Cockpit Overturn Skid Plate | 9/19/2008 |
| SL 104A |
|
en |
Main Landing Gear Failure, P/N 40091-2 | 7/29/1995 |
| SL 129 |
revised |
en |
Horizontal Stabilizer Attach Eyebolts | 10/21/2004 |
| SL 129A |
|
en |
Horizontal Stabilizer Attach Eyebolts | 8/7/2004 |
| SL 134 |
|
en |
R-1340 Crankshafts - P/N 90134 Counterweight Cracking | 11/29/1994 |
| SL 135 |
|
en |
R-1340 Crankshafts - P/N 90134 Counterweight Cracking | 2/1/1995 |
| SL 138 |
revised |
en |
Vertical Fin Front and Rear Spar Failure | 8/7/1996 |
| SL 140 |
revised |
en |
Flap System Travel Overrun | 10/10/1996 |
| SL 155 |
revised |
en |
Vertical Fin Front Spar Fitting | 11/27/2002 |
| SL 165 |
|
en |
Flap Actuator Jack Screw Failure | 5/15/1998 |
| SL 195 |
reiss |
en |
Upper Longeron Failures in Aft Fuselage Structure | 11/10/2003 |
| SL 196 |
|
en |
Vertical Fin Front Spar Failure | 2/9/2000 |
| SL 196 |
revised |
en |
Vertical Fin Front Spar Failure | 3/7/2000 |
| SL 197 |
|
en |
Cracks in Lower Spar Caps in AT-502A and Early AT-502 Aircraft | 6/13/2000 |
| SL 197 |
revised |
en |
Cracks in Lower Spar Caps in AT-502A and Early AT-502 | 3/26/2001 |
| SL 202 |
revised |
en |
Wing Centersplice Rework for AT-400 Series | 3/26/2001 |
| SL 203 |
revised |
en |
Wing Centersplice Rework for AT-802 Series | 3/26/2001 |
| SL 204 |
revised |
en |
Wing Centersplice Rework for AT-602 Series | 3/26/2001 |
| SL 205 |
revised |
en |
Wing Centersplice Rework for AT-500 Series | 3/26/2001 |
| SL 213 |
|
en |
Upper Longeron Failures in Aft Fuselage Structure | 11/13/2001 |
| SL 213 |
A |
en |
Upper Longeron Failures in Aft Fuselage Structure | 11/10/2003 |
| SL 213 |
B |
en |
Upper Longeron Failures in Aft Fuselage Structure | 11/10/2003 |
| SL 217 |
revised |
en |
Upper Longeron Failures in Aft Fuselage Structure | 5/1/2003 |
| SL 218 |
revised |
en |
Upper Longeron Failures in Aft Fuselage Structure | 10/20/2002 |
| SL 235 |
|
en |
Horizontal Stabilizer Brace Tube Assembly | 8/25/2004 |
| SL 235 |
revised |
en |
Horizontal Stabilizer Brace Tube Assembly | 10/24/2006 |
| SL 240 |
|
en |
Split Sleeve Cold Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft that Have Been Modified to the 8-Hole Configuration | 9/30/2004 |
| SL 244 |
|
en |
Split Sleeve Cold Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft in the 7-Hole Configuration | 4/25/2005 |
| SL 245 |
|
en |
Split Sleeve Co1d Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft in the 8-Hole Configuration | 4/25/2005 |
| SL 247 |
revised |
en |
Upper Rudder Hinge | 5/17/2006 |
| SL 247 |
revised |
en |
Upper Rudder Hinge | 6/2/2008 |
| SL 248 |
|
en |
Hopper Rinse Tank/Foam Tank Shelf Attach Angles | 8/31/2005 |
| SL 253 |
|
en |
Engine Mount Cracking | 12/12/2005 |
| SL 253 |
B |
en |
Engine Mount Cracking | 11/30/2007 |
| SL 253 |
C |
en |
Engine Mount Cracking | 4/17/2008 |
| SL 253 |
revised |
en |
Engine Mount Cracking | 1/22/2007 |
| SL 273 |
|
en |
Retrofit Installation of GEN II FRDS Controls and Hydraulics | 6/15/2010 |
| SL 274 |
A |
en |
Rudder-Aileron Interconnect Cable Shields | 4/6/2009 |
| SL 281 |
|
en |
Split Sleeve Cold Expansion of Lower Spar Cap Holes - Rework of In-Service Aircraft in the 9-Hole Configuration | 8/1/2009 |
| SL 284 |
|
en |
Wing Inspection and Lower Spar Cap Replacement Times | 10/4/2009 |
| SL 297 |
|
en |
Engine Mount Tube Inspections | 3/10/2011 |
| SL 347A |
|
en |
Flap Torque Tube | 12/9/2019 |
