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SERVICE LETTERS |
A collection of service letters relevant to the Aeronca, Champion, Bellanca, and American Champion aircraft. |
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Modification of 4-928 tail gear |
15AC |
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Installation of optional electrical equipment in 7EC Champions |
7EC |
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Wing Tip Bow Repair |
7A, 7B, 7C, 7D, 7E, 11A, 11B, 11C |
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Removal of the two 10 inch shock rings from the 15AC main landing gear |
15AC |
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Repair of landing gear and attach fittings |
7AC, 7BCM, 7CCM, 7DC, 11AC, 11BC, 11CC |
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Conversion of Model 15AC landplane to Model S15AC seaplane |
15AC |
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Conversion of Model 11CC landplane to Model S11CC seaplane |
11CC |
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Conversion of Model 7DC landplane to S7DC seaplane |
7DC |
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Approved repair of 2-705 socket and 1-2383 control stick connection tube |
7AC, 7BCM, 7CCM, 7DC |
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Factory installation of 1-2565 Bronze Oleo Bushings in 4-541 & 4-10001 Oleo Case Frames |
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Crusing RPM fopr Model 15AC and S15AC airplanes |
15AC, S15AC |
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Conversion of Model 7AC to Model 7BCM airplane using a carburetor type engine |
7AC |
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Conversion of Model 7AC to Model 7DC airplane using a carburetor type engine |
7AC |
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Conversion of Model 7AC to Model 7CCM airplane using a carburetor type engine |
7AC |
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Conversion of a Modem 7CCM (carburetor engine) Landplane to a Seaplane |
7CCM |
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Conversion of Model 11AC to Model 11BC using a carburetor type engine |
11AC |
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Suggested procedure for external painting of Model 15AC wings. |
15AC |
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Factory approved repair of elevator and rudder hinges on Models 7AC, 7BCM, 7CCM, 7DC, 11AC, 11BC, 11CC |
7AC, 7BCM, 7CCM, 7DC, 11AC, 11BC, 11CC |
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Installation – Instructions - “No Bounce” landing gear oleo assembly |
7AC, 7BCM, 7CCM, 7DC, 11AC, 11BC, 11CC |
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Crusing RPM for Model 7CCM and Model S7CCM airplanes |
7CCM, S7CCM |
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Improved Model 15AC Firewall Door Catch |
15AC |
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Conversion of Model 11BC to Model S11BC |
11BC |
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Crusing RPM for Models 7BCM, 7DC, and S7DC airplanes |
7BCM, 7DC, S7DC |
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Installation instructions and parts list kit 167 Cabin Heater |
7 Series with HW Muffler |
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Conversion of Model 7EC to Model S7EC |
7EC |
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Installation Approval of Fiberglass Wing-Tips on Models |
7AC, 7BCM, 7CCM, 7DC, 7EC, 7FC |
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Importance of keeping landing gear oleo assemblies at the proper fluid level |
All |
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Inspection of Oleo Cylinder lower end braze |
7GC, 7EC, 7FC |
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Conversion of Model 7JG to Model 7EC |
7JG |
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Landing Gear Oleo axle attachment interchangeability |
7AC, 7BCM, 7CCM, 7EC, 7FC, 7KC, 7GC, 7HC, 7GCB, 7GCBA |
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Conversion Champion Model 7AC to 7EC |
7AC |
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| SL-60 | Conversion Champion Model 7EC to 7GC | 7EC | |||
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Basic General Information for Field Approval Personell |
7AC, 7BCM, (L16A), 7CCM, (L16B), 7DC, 7EC |
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Use of 5-294 Front Wing Strut on all Model 7 aircraft |
All 7 Series |
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Rudder cable pulley lubrication |
All 7 Series |
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Front Wing Strut drain hole |
All 7 Series |
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Inspection of wing fabric and leading edge skin attachment |
All 7 Series |
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Service Publication Index |
All 7 Series |
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Service Kit Index |
All 7 Series |
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Aileron Hinges |
All 7 Series |
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Wood Spar Inspection |
All 7, 8, 11 Series (with wood spars) |
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Installation of Inspection Covers for Wood Spar Inspection |
All 7, 8, 11 Series (with wood spars) |
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Electrical System Update |
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Inspection of Fuel Line near flap quadrant |
7GCB, 7GCBC, and 8GCBC |
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Metal Spar Wing Installation on older models |
7AC, 7BCM, 7CCM, 7DC, 7EC, 7FC, 7GC, 7HC, 7GCA, 7JC, 7KC, 7GCB and 7GCBA |
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Aluminum Gear Retrofit |
7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, 8GCBC |
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Optional 8KCAB Normal Category Gross Weight Increase |
8KCAB |
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Inspection of Flap Wing Root Pulley and Cable |
7GCB, 7GCBC, 8GCBC |
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Inspection of Brake Cotter Pin |
7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, and8GCBC |
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Inspection/Upgrade of Wing Tip Navigational Wires |
Bellanca/Champion |
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Inspection of Nicopress Sleeves |
7ECA, 7GCAA, 7GCBC, 8KCAB and 8GCBC |
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Inspection of Repaired Wide Rear Seat |
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Inspection of Stereo Headphone Wiring |
7EC, 7ECA, 7GCAA, 7GCBC, 8KCAB and 8GCBC |
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Conversion of 7ECA, 7GCAA and 7GCBC to Lycoming O-320-B2B or Equivalently Provisioned Engine per TCDS E-274 |
7ECA, 1974 Models and Up, 7GCAA and 7GCBC, 1974 to 1980 Models |
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