Service Bulletins| Name | Revision | Lang | Subject | Date |
| SB 1 |
|
en |
Inspection of Elevator Balance Weight Attach Bolts | 4/26/1973 |
| SB 43 |
|
en |
Failure of Upper Bearing Retaining Pins, Electric Main Landing Gears | 6/18/1957 |
| SB 45 |
|
en |
Mandatory Modification - Upper Flame Shielding, Fuel Vent & Vapor Return Lines | 9/20/1957 |
| SB 50 |
|
en |
Spar Reinforcement - Vertical and Horizontal Stabilizer | 12/17/1958 |
| SB 54 |
|
en |
Improved Fuel Line Routing from Fuel Shutoff Valve to Fuel Booster Pump | 2/18/1959 |
| SB 57 |
|
en |
Horizontal Stabilizer Modification | 3/11/1959 |
| SB 62 |
|
en |
Rear Spar Reinforcement - Center Wing | 3/3/1960 |
| SB 68 |
A |
en |
Reinforcement of 500 Engine Mounts | 1/20/1961 |
| SB 76 |
A |
en |
Replacement of Engine Induction Alternate Air Butterfly Valves and Mounting Shafts | 2/5/1962 |
| SB 77 |
|
en |
Replacement of Fuel System Aluminum Drain Tubing and Fittings | 3/16/1962 |
| SB 78 |
|
en |
Installation of Fuel Drain Lines for Engine Gage Units | 3/16/1962 |
| SB 79 |
|
en |
Modification - Wing Trailing Edge Between Wing Stations 24.00 and 59.00 | 3/16/1962 |
| SB 83 |
|
en |
Main Landing Gear Piston Upper Bearing Lock Pin Replacement | 9/13/1963 |
| SB 83 |
A |
en |
Main Landing Gear Piston Upper Bearing Lock Pin Replacement | 6/25/1965 |
| SB 90C |
|
en |
Inspection of Front Spar Lower Cap at Left and Right Wing Station 24.00 | 3/30/1992 |
| SB 90C |
1 |
en |
Inspection of Front Spar Lower Cap at Left and Right Wing Station 24.00 | 6/5/1992 |
| SB 92 |
|
en |
Inspection of Lower Cap of Forward Spar Between W/S 67 and 86 on Each Wing | 9/29/1967 |
| SB 102 |
A |
en |
Modification of Landing Gear Emergency Extension System | 9/1/1983 |
| SB 112-2 |
|
en |
Inspection of Electric Fuel Pump (Weldon Tool Company P/N AS120-A) | 5/23/1973 |
| SB 112-3 |
|
en |
Inspection of Upper Fine Main Spar Attachment Bolts | 6/1/1973 |
| SB 112-4 |
|
en |
Inspection of Spinner | 6/5/1973 |
| SB 112-5 |
|
en |
Removal of Rubber Grommets on Engine Control Cables | 6/11/1973 |
| SB 112-6 |
1 |
en |
Aileron Hinge and Elevator Trim Tab Hinge Inspection | 11/30/1973 |
| SB 112-7 |
|
en |
Improved Propeller Spinner Assembly | 12/17/1973 |
| SB 112-8 |
|
en |
Improved Engine Control Cables | 12/17/1973 |
| SB 112-9 |
|
en |
Modification of Nose Landing Gear Collar | 12/17/1973 |
| SB 112-10 |
A |
en |
Inspection and/or Replacement of Main Landing Gear Lower Side Braces | 2/12/1974 |
| SB 112-11 |
|
en |
Restricted Elevator Travel | 12/17/1973 |
| SB 112-12 |
1 |
en |
Brake System Improvements | 1/22/1974 |
| SB 112-13 |
|
en |
Replacement of Induction Air Box Assembly | 1/15/1974 |
| SB 112-14 |
1 |
en |
Inspection and Lubrication of Elevator Trim Jackscrews | 4/19/1974 |
| SB 112-15 |
|
en |
Alternate Static Air System Switch | 1/28/1974 |
| SB 112-16 |
|
en |
Inspection and/or Replacement of Fuel Line | 5/28/1974 |
| SB 112-17 |
|
en |
Guard Pin Clearance with Aileron Balance Cable | 8/15/1974 |
| SB 112-18 |
1 |
en |
Landing Gear System Inspection | 9/27/1974 |
| SB 112-19 |
|
en |
Nose Landing Gear | 9/11/1974 |
| SB 112-20 |
|
en |
Inspection of Sharc-7 ELT for R.T.V. Corrosion | 9/18/1994 |
| SB 112-21 |
|
en |
Gascolator Filter Screen | 10/11/1974 |
| SB 112-22 |
|
en |
Replacement of Propeller Governor Control Bracket Assembly on Aircraft with Hartzell Governor | 10/25/1974 |
| SB 112-23 |
|
en |
Firewall Sealant | 10/28/1974 |
| SB 112-24 |
|
en |
Throttle Cable Retainer Bracket | 11/1/1974 |
| SB 112-25 |
|
en |
Edo-Aire Mitchell Service Letter ML-40 | 12/10/1974 |
| SB 112-26 |
|
en |
Inspection of Induction Air Flexible Ducting | 12/30/1974 |
| SB 112-27 |
|
en |
Inspection and/or Replacement of Aileron and Flap Push-Pull Rods | 1/13/1975 |
| SB 112-28 |
|
en |
Induction Air Box Controls | 3/24/1974 |
| SB 112-29 |
|
en |
Alternator Wire Support Improvement | 5/14/1975 |
| SB 112-30 |
|
en |
Safety Wire Engine Oil Drain Valve | 5/27/1975 |
| SB 112-31 |
|
en |
Replacement of Fuel Pump Circuit Breaker Switch | 5/28/1975 |
| SB 112-32 |
|
en |
Wing Rivet Installation | 8/1/1975 |
| SB 112-33 |
|
en |
Lower Rudder Hinge Rivet Installation | 8/4/1975 |
| SB 112-34 |
|
en |
Installation of Alternator Switch Placard | 8/15/1975 |
| SB 112-35 |
|
en |
Inspection of Aileron Hinge Doublers | 10/1/1975 |
| SB 112-36 |
1 |
en |
Fuel Boost Pump Drain Fitting Replacement | 1/5/1976 |
| SB 112-37 |
1 |
en |
Aileron Balance Check | 3/31/1976 |
| SB 112-38 |
A |
en |
Emergency Locator Transmitter Cable Replacement | 6/21/1976 |
| SB 112-39 |
|
en |
Change of Power Source for Century I Autopilot Turn-and-Bank Indicator | 3/1/1976 |
| SB 112-41 |
|
en |
Aileron Control Chain Rerouting | 7/7/1976 |
| SB 112-42 |
|
en |
Inspection and/or Modification of Throttle Control Cable Installation | 9/17/1976 |
| SB 112-43 |
|
en |
Inspection of Main Landing Gear Retract Cylinder Bearing | 10/12/1976 |
| SB 112-44 |
A |
en |
Replacement of Fuel Selector Valve | 3/23/1978 |
| SB 112-45 |
B |
en |
Pilot and Front Passenger Seat Modification | 12/13/1977 |
| SB 112-46 |
|
en |
Engine Oil Pressure Line Replacement | 11/2/1976 |
| SB 112-47 |
A |
en |
Aileron Control Chain Rerouting and Throttle Control Cable Replacement | 3/18/1977 |
| SB 112-48 |
|
en |
Mixture Control Cable Attaching Hardware Replacement | 1/12/1977 |
| SB 112-49 |
|
en |
Main Landing Gear Orifice Assembly Installation | 1/14/1977 |
| SB 112-50 |
|
en |
Engine Breather Tube Modification | 2/8/1977 |
| SB 112-51 |
|
en |
Headrest Placard Installation | 3/15/1977 |
| SB 112-52 |
|
en |
Carburetor Modification | 6/14/1977 |
| SB 112-53 |
|
en |
Turbocharger Isolator Bushing Inspection and Replacement | 6/15/1977 |
| SB 112-54 |
|
en |
Parking Brake Valve Assembly Clamp Replacement | 8/19/1977 |
| SB 112-55 |
|
en |
Main Landing Gear Rod Assembly Pin Retaining Screw Replacement | 11/1/1977 |
| SB 112-56 |
B |
en |
Lower Vertical Fin Rib Modification | 5/27/1992 |
| SB 112-57 |
|
en |
Power Plant Controls Rod End Replacement | 11/29/1977 |
| SB 112-58 |
|
en |
Pilot and Front Passenger Seat Inspection and/or Modification | 12/13/1977 |
| SB 112-59 |
|
en |
Wing Rib Inspection and Modification | 12/16/1977 |
| SB 112-60 |
A |
en |
Inspection and Replacement of Aileron Hinge Support | 5/10/1978 |
| SB 112-61 |
|
en |
Front Passenger Seat Locking Mechanism Modification | 3/29/1978 |
| SB 112-62 |
|
en |
Replacement of Vacuum Pump Retention Nuts | 8/28/1978 |
| SB 112-63 |
|
en |
Avco Lycoming Service Instruction No. 1369 | 11/15/1978 |
| SB 112-64 |
|
en |
Inspection and Replacement of Fuel Tank Access Door Sealant | 9/26/1979 |
| SB 112-65 |
|
en |
Engine Controls Security and Mixture Control Bracket Replacement | 12/7/1979 |
| SB 112-66 |
|
en |
Power Plant Controls Rod End Replacement | 3/14/1980 |
| SB 112-67 |
|
en |
Throttle Control Security and Fuel Primer Line Replacement | 2/27/1980 |
| SB 112-68 |
|
en |
Rudder Rib Inspection | 11/17/1981 |
| SB 112-69 |
|
en |
Turbo/Charged Decal Replacement and Inspection of Fuel Fill Placards | 7/6/1984 |
| SB 112-70 |
A |
en |
Front Seat and Shoulder Harness Modification | 6/6/1986 |
| SB 112-70 |
A1 |
en |
Front Seat and Shoulder Harness Modification | 2/23/1987 |
| SB 112-71 |
C |
en |
Inspection and Modification of Forward Wing Spar | 10/31/1988 |
| SB 112-72 |
A |
en |
Inspection and/or Modification of Vertical Stabilizer Forward Attachment | 8/31/1987 |
| SB 112-73 |
|
en |
Inspection of Front Seat Shaft Assembly | 3/26/1999 |
| SB 112-74 |
|
en |
Inspection of Main Landing Gear Brake Torque Plate Assembly Bolt Installation | 7/3/2017 |
| SB 112-75 |
|
en |
Inspection of Main Landing Upper Side Brace | 12/7/2017 |
| SB 114-1 |
|
en |
Aileron Control Chain Rerouting | 6/29/1976 |
| SB 114-2 |
|
en |
Inspection and/or Modification of Throttle Control Cable Installation | 9/14/1976 |
| SB 114-3 |
|
en |
Inspection of Main Landing Gear Retract Cylinder Bearing | 10/12/1976 |
| SB 114-4 |
A |
en |
Replacement of Fuel Selector Valve | 3/23/1978 |
| SB 114-5 |
A |
en |
Pilot and Front Passenger Seat Modification | 4/7/1977 |
| SB 114-6 |
|
en |
Cabin Air Vent Modification | 11/1/1976 |
| SB 114-7 |
|
en |
Main Landing Gear Orifice Assembly Installation | 1/14/1977 |
| SB 114-8 |
|
en |
Engine Breather Tube Modification | 2/8/1977 |
| SB 114-9 |
|
en |
Headrest Placard Installation | 3/15/1977 |
| SB 114-10 |
|
en |
Parking Brake Valve Assembly Clamp Replacement | 8/19/1977 |
| SB 114-11 |
|
en |
Main Landing Gear Rod Assembly Pin Retaining Screw Replacement | 11/1/1977 |
| SB 114-12 |
B |
en |
Lower Vertical Fin Rib Modification | 5/27/1992 |
| SB 114-13 |
|
en |
Pilot and Front Passenger Seat Inspection and/or Modification | 11/13/1977 |
| SB 114-14 |
A |
en |
Inspection and Replacement of Aileron Hinge Supports | 5/10/1978 |
| SB 114-15 |
|
en |
Front Passenger Seat Locking Mechanism Modification | 3/29/1978 |
| SB 114-16 |
|
en |
Propeller Governor Replacement | 5/11/1979 |
| SB 114-17 |
|
en |
Aileron Bellcrank Doubler Modification | 7/10/1979 |
| SB 114-18 |
|
en |
Engine Controls Rod End Retention | 8/31/1979 |
| SB 114-19 |
|
en |
Inspection and Replacement of Fuel Tank Access Door Sealant | 9/26/1979 |
| SB 114-20 |
|
en |
Rudder Rib Inspection | 11/17/1981 |
| SB 114-21 |
A |
en |
Front Seat and Shoulder Harness Modification | 6/6/1986 |
| SB 114-21 |
A1 |
en |
Front Seat and Shoulder Harness Modification | 2/23/1987 |
| SB 114-22 |
B |
en |
Inspection and Modification of Forward Wing Spar | 6/6/1986 |
| SB 114-22 |
C |
en |
Inspection and Modification of Forward Wing Spar | 10/31/1988 |
| SB 114-23 |
A |
en |
Inspection and/or Modification of Vertical Stabilizer Forward Attachment | 8/31/1987 |
| SB 114-25 |
|
en |
Inspection and/or Modification of Nose Gear Extension Assist Springs | 6/9/1993 |
| SB 114-26 |
|
en |
Inspection and/or Modification of Horizontal Stabilizer Rear Spar | 5/13/1993 |
| SB 114-27 |
|
en |
Flushing of Hydraulic System | 6/3/1993 |
| SB 114-28 |
|
en |
Inspection of Welds on Nose Landing Gear Steering Pulley Brackets | 5/3/1994 |
| SB 114-30 |
|
en |
Inspection and/or Modification of Emergency Dump Valve Cover Plate and Inspection and/or Replacement of Fuel Line | 5/15/1996 |
| SB 114-31 |
|
en |
Inspection and/or Replacement of Nose Landing Gear Fork Attachment Nuts | 11/18/1996 |
| SB 114-32 |
|
en |
Inspection of Front Seat Shaft Assembly | 3/26/1999 |
| SB 114-33 |
|
en |
Replacement of Aeroquip V-Band Exhaust Clamp | 11/1/1999 |
| SB 114-33 |
A |
en |
Replacement of Aeroquip V-Band Exhaust Clamp | 5/9/2000 |
| SB 114-35 |
|
en |
Inspection of Wing Rib | 1/18/2001 |
| SB 114-36 |
|
en |
Inspection of Main Landing Gear Brake Torque Plate Assembly Bolt Installation | 7/3/2017 |
| SB 114-37 |
|
en |
Inspection of Main Landing Upper Side Brace | 12/7/2017 |
| SB 123 |
A |
en |
Replacement of Unfeathering Pump Supply Line | 6/6/1973 |
| SB 128 |
|
en |
Bob Weight Installation | 11/1/1973 |
| SB 128 |
1 |
en |
Bob Weight Installation | 4/24/1975 |
| SB 129 |
|
en |
Bob Weight Installation | 3/22/1974 |
| SB 129 |
2 |
en |
Bob Weight Installation | 5/9/1975 |
| SB 129 |
4 |
en |
Bob Weight Installation | 1/26/1981 |
| SB 136 |
3 |
en |
Bob Weight Installation | 1/26/1981 |
| SB 143 |
|
en |
Replacement of Openable Pilot and Copilot Side Windows | 9/10/1974 |
| SB 147 |
|
en |
Bleed Air System | 11/27/1974 |
| SB 149 |
|
en |
Check of Battery Select Switch Wiring | 2/20/1975 |
| SB 152 |
|
en |
Bob Weight Clip Installation | 5/9/1975 |
| SB 156 |
|
en |
Failure of Flap Control Bracket | 6/27/1975 |
| SB 157 |
A |
en |
Flap Control Bracket Modification | 3/29/1979 |
| SB 162 |
|
en |
Reduction in Electric Elevator Trim Speed | 10/21/1976 |
| SB 163 |
|
en |
Inspect and/or Replace Wing Spar Cap Rivets | 1/21/1977 |
| SB 163 |
1 |
en |
Inspect and/or Replace Wing Spar Cap Rivets | 2/1/1977 |
| SB 165 |
|
en |
Fuel Cell Inspection and/or Replacement | 3/15/1978 |
| SB 179 |
|
en |
Bob Weight Assembly Modification | 1/26/1981 |
| SB 192 |
|
en |
Induction Air Elbow Duct Replacement and Exhaust System Inspection | 8/20/1982 |
| SB 201 |
|
en |
Engine Isolator Assembly Inspection and/or Replacement | 5/11/1984 |
| SB 208 |
A |
en |
Inspection for Wing Main Spar Lower Cap Corrosion | 11/9/1992 |
| SB 210 |
|
en |
Replacement of Flap Master Pulley and Cable with Inspection of Remaining Flap System | 2/1/1991 |
| SB 211 |
|
en |
Lower Main Spar Inspection and 39 Rib Modification | 5/6/1992 |
| SB 211 |
1 |
en |
Lower Main Spar Inspection and 39 Rib Modification | 7/7/1992 |
| SB 212 |
|
en |
Main Spar Lower Cap Forward Flange Crack Inspection at Wing Station 96.00 | 11/3/1992 |
| SB 213 |
|
en |
Mandatory Wing Fatigue Inspection and Modification | 7/29/1994 |
| SB 214 |
1 |
en |
Mandatory Wing and Fuselage Fatigue Inspection and Modification | 4/19/2000 |
| SB 214 |
2 |
en |
Mandatory Wing and Fuselage Fatigue Inspection and Modification | 5/21/2001 |
| SB 215 |
|
en |
Coupon Removal - Wing Main Spar Lower Cap | 3/3/1992 |
| SB 216 |
|
en |
Fueling Placard and Flight Manual Addendum | 6/9/1992 |
| SB 218 |
|
en |
Mandatory Empennage - Vertical Stabilizer Inspection and Modification | 5/19/1994 |
| SB 218 |
2 |
en |
Mandatory Empennage - Vertical Stabilizer Inspection and Modification | 9/23/1994 |
| SB 220 |
|
en |
Mandatory Mandatory Reduction in Speed During Turbulence | 2/1/1995 |
| SB 223 |
|
en |
Mandatory Wing Leading Edge Attachment Inspection and Modification | 10/24/1996 |
| SB 223 |
1 |
en |
Mandatory Wing Leading Edge Attachment Inspection and Modification | 5/8/1997 |
| SB 223 |
2 |
en |
Mandatory Wing Leading Edge Attachment Inspection and Modification | 8/18/1997 |
| SB 224 |
A |
en |
Mandatory Replacement of Nose Landing Gear Bolt | 4/24/1996 |
| SB 224 |
C |
en |
Mandatory Replacement of Nose Landing Gear Bolt | 7/25/1996 |
| SB 226 |
|
en |
Mandatory Flap System Inspection | 4/14/1997 |
| SB 226 |
1 |
en |
Mandatory Flap System Inspection | 7/15/1997 |
| SB 227 |
|
en |
Mandatory Inspection and Modification of Lower Main Gear Scissors | 8/1/1997 |
| SB 236 |
A |
en |
Aileron Spar Inboard Hinge Inspection & Reinforcement | 12/21/2004 |
| SB 237 |
|
en |
Alert Upper Wing Skin and Strap - Inspection for Corrosion | 5/13/2005 |
| SB 238 |
|
en |
Aileron Spar Center Hinge Inspection & Reinforcement | 12/21/2004 |
| SB 241 |
|
en |
Alert Fuselage Attachment to Wing Main Spar - Inspection & Reinforcement | 9/26/2012 |