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Here are some reproduced Service Letters from the private collection of Aeronca owners.   For official copies of these documents, please contact the type certificate holder, the FAA or other official sources.  Use at your own risk.

Some of the documents are missing. If you have a copy,
please send them to me.

Service Letters - Champ & Chief.

Svc
Ltr
Issued By
Issue Date
Description Service Letter & Associated Files 7
A
7
B
7
C
7
D
7
E
11
A
11
B
11
C
15
A
1  Aeronca
5/25/1948
Modification of No. 4-928 Tail Gear  Sign in to view                 X 
2  Champion
2/19/1969
Installation of Optional Electrical Equipment in 7EC Champions (2nd Revision)  Sign in to view         X         
3  Champion
2/19/1969
Wing Tip Bow Repair (2nd Revision)  Sign in to view X  X  X  X  X  X  X  X   
4  Aeronca
5/28/1948
Removal of two 10 inch shock rings from model 15AC Main Landing Gear  Sign in to view                 X 
4  Champion
2/19/1969
Placard Removal (2nd Revision)  Sign in to view         X         
6  Aeronca
7/19/1948
Factory approved repair of landing gear and attaching fittings on 7AC, 7BCM, 7CCM, 7DC, 11AC, 11BC, 11CC  Sign in to view X  X  X  X    X  X  X   
7  Aeronca
6/25/1948
Instructions for Installation of Model 15AC Window Latches.  Sign in to view                 X 
7  Aeronca
7/21/1948
Conversion of model 15AC Landplane to S15AC Seaplane. (Including Supplement 1 & 2)  Sign in to view                 X 
8  Aeronca
7/22/1948
Conversion of model 11CC Landplane to S11CC Seaplane  Sign in to view               X   
9  Champion
9/2/1948
Conversion of model 7DC Landplane to S7DC Seaplane  Sign in to view       X           
10  Champion
2/24/1969
Factory approved repair of No. 2-705 control stick socket and No. 1-2383 control stick connecting tube on Models 7AC, 7BCM, 7CCM, and 7DC.  Sign in to view X  X  X  X           
11  Champion
2/19/1969
Factory Installation of 1-2565 Bronze Oleo Bushings in 4-541 & 4-10001 Oleo Case Frames  Sign in to view X  X  X  X    X  X  X   
12  Aeronca
3/21/1948
Cruising R.P.M for Model 15AC and S15AC Airplanes.  Sign in to view                 X 
13  Champion
1/20/1960
Conversion of a Model 7AC to a Model 7BCM airplane using a carburetor type engine.  Sign in to view X                 
14  Champion
1/20/1960
Conversion of a Model 7AC to a Model 7DC airplane using carburetor type engine.  Sign in to view X                 
15  Champion
1/20/1960
Conversion of Model 7AC to Model 7CCM airplane using carburetor type engine.  Sign in to view X                 
16  Champion
2/20/1969
Conversion of a Model 7CCM (Carburetor Engine) Landplane to a Seaplane.  Sign in to view X                 
17  Champion
3/15/1962
Conversion of a Model 11AC to a model 11BC using a carburetor type engine.  Sign in to view           X       
18  Aeronca
Suggested Procedure for External Painting of 1948 Model 15AC Wings  Sign in to view                 X 
19  Aeronca
5/24/1949
Factory approved repair of elevator and rudder hinges on Models 7AC, 7BCM, 7CCM, 7DC, 7EC, 11AC, 11BC, 11CC.  Sign in to view X  X  X  X  X  X  X  X   
20  Champion
2/20/1969
Installation instructions - "No Bounce" landing gear oleo assembly  Sign in to view X  X  X  X  X  X  X  X   
21  Champion
3/16/1962
Cruising R.P.M. for Model 7CCM and S7CCM airplanes.  Sign in to view     X             
22  Aeronca
7/7/1949
Improved Model 15AC firewall door catch (Ambulance - Cargo - Seaplane).  Sign in to view                 X 
23  Aeronca
7/1/1949
Conversion of 11BC Landplane to a Model S11BC Seaplane.  Sign in to view             X     
24  Champion
7/6/1949
Cruising R.P.M. for Model s 7BCM, 7DC, and S7DC airplanes.  Sign in to view   X    X           
27  Champion
Monsanto Skylac Rejuvenation Process  Sign in to view                  
28  Champion
2/19/1969
Installation Instructions and Parts List kit 167 Cabin Heater  Sign in to view X  X  X  X  X         
29  Champion
2/21/1969
Conversion of Model 7EC Landpland to S7EC Seaplane.  Sign in to view         X         
35  Champion
2/21/1969
Installation Approval of Fiberglass Wing Tips on all 7AC, 7BCM, 7CCM, 7DC, 7EC, 7FC  Sign in to view X  X  X  X  X         
51  Champion
11/5/1965
Landing Gear Oleo - Axle Attachment Interchangeability  Sign in to view X  X  X    X         
56  Champion
4/10/1963
Convert a Model 7AC to a Model 7EC using a Carburetor Type Engine.  Sign in to view X                 
60  Champion
6/17/1963
Convert a Model 7EC to a Model 7GC using a Carburetor Type Engine.  Sign in to view         X         
61  Champion
3/5/1969
Applicability of various optional installation items on Champion Models 7AC, 7BCM (L-16A), 7CCM (L-16B) , 7DC and 7EC.  Sign in to view X  X  X  X  X  X  X  X   
65  Champion
3/18/1964
Use of 5-294 Front Wing Strut on all Model 7 Aircraft.  Sign in to view X  X  X  X  X         
70  Champion
2/8/1967
Rudder Cable Pulley Lubrication  Sign in to view X  X  X  X  X         
72  Champion
2/8/1967
Front Wing Strut Drain Hole  Sign in to view X  X  X  X  X         
75  Champion
2/8/1967
Inspection of Wing Fabric and Leading Edge Skin Attachment  Sign in to view X  X  X  X  X         
87  Bellanca
1/4/1971
Service Publications Index  Sign in to view X  X  X  X  X         
88  Bellanca
1/4/1971
Service Kit Index  Sign in to view X  X  X  X  X         
404  ACA
7/16/1992
Inspection for cracks on the inboard aileron hinges, 2-709.  Sign in to view X  X  X  X  X         
406  ACA
5/6/1998
Wood Spar Inspection  Sign in to view X  X  X  X  X         
417  ACA
5/6/1998
Installation of Inspection Covers for Wing Spar Inspection  Sign in to view X  X  X  X  X         
418  ACA
1/19/2001
Electrical System Update  Sign in to view X  X  X  X  X         
420  ACA
4/25/2002
Metal Wing Spar Installation on Older Models  Sign in to view X  X  X  X  X         
421  ACA
3/28/2002
Seat Belt Retrofit on Early Model Aircraft  Sign in to view X  X  X  X  X