Service Information: American Champion
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Table of Contents
Flight Manual Supplements • Operation & Service Manuals • PMA Supplements • Publication Indexes • Service Helps & Hints • Service Letters • Service Manuals
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| FMS | en | Front Seat Lap Belts | 6/17/2010 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| OSM | en | 7EC and 7FC |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| Supp 8 | en | CFO-100-1 | 10/24/2002 | |
| Supp 31 | en | CFO-100-1 | 11/8/2004 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SH&H Index | en | Service Helps and Hints | ||
| SL Index | G | en | Service Letters | 6/29/1990 |
| TPI 20220101-001 | en | Technical Publication | 12/31/2021 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SH&H 8 | en | Champion-Chief Front Fuselage Landing Gear Fitting Repair | 7/22/1969 | |
| SH&H 12 | en | Installation of Landing Gear Snare Cable on Champion 7AC and 11AC Chief and Replacement of Fiber Piston in Oleo Cylinders | 4/24/1961 | |
| SH&H 13 | en | Installation of 2-893 Fitting - Front Strut Wing Attachment | 11/21/1962 | |
| SH&H 14 | en | Removal and Installation of Champion and Chief Propellors - Tapered Crankshaft Engines | 2/21/1961 | |
| SH&H 15 | en | Replacing of Glass Gascolator Bowls with Metal Gascolator Bowls | 7/1/1964 | |
| SH&H 15 (Supp) |
en | Replacing of Glass Gascolator Bowls with Metal Gascolator Bowls | 7/1/1964 | |
| SH&H 17 | en | Nose Rib Repair Replacement | 1/17/1961 | |
| SH&H 18 (Supp) |
en | Inspection, Replacement, Draining and Cleaning of Gascolator Bowls | 7/1/1964 | |
| SH&H 24 | en | Down Elevator Cable Interference with Elevator Trim Tab Pulley Stud 7AC "Champion" and 11AC "Chief" | 3/15/1962 | |
| SH&H 25 | en | Exhaust Stack Failures - 7AC "Champion" and 11AC "Chief" | 3/17/1961 | |
| SH&H 26 | en | Engine Cooling | 3/20/1961 | |
| SH&H 30 | en | Importance of Keeping Oleo Assemblies Full of Oleo Oil | 3/15/1962 | |
| SH&H 33 | en | Installation of Auxiliary Fuel Valve Warning Placard | 9/10/1948 | |
| SH&H 55 | rev | en | Installation of Fuel Shut-Off Guard | 2/19/1962 |
| SH&H 57 | rev | en | Inspection and Repair of Fuselage Frame at Tube Cluster in Forward Corner of Entrance Door Frame | 12/13/1957 |
| SH&H 59 | rev | en | Replacement Instructions for Part No. 5-463-2 Fitting | 1/29/1965 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SL 2 | en | Installation of Optional Electrical Equipment in 7EC Champions | 8/26/1955 | |
| SL 2 | reissued | en | Installation of Optional Electrical Equipment in 7EC Champions | 2/19/1969 |
| SL 3 | en | Wing Tip Bow Repair | 10/1/1955 | |
| SL 3 | reissued | en | Wing Tip Bow Repair | 2/19/1969 |
| SL 4 | en | Placard Removal | 10/10/1955 | |
| SL 4 | reissued | en | Placard Removal | 2/19/1969 |
| SL 9 | en | Conversion of 7DC Landplane to S7DC Seaplane | 9/2/1948 | |
| SL 10 | reissued | en | Factory Approved Repair of No. 2-705 Control Stick Socket and No. 1-2383 Control Stick Connection Tube on 7AC, 7BCM, 7CCM and 7DC | 2/24/1969 |
| SL 11 | reissued | en | Factory Installation of 1-2565 Bronze Oleo Bushings in 4-541 & 4-10001 Oleo Case Frames | 2/19/1969 |
| SL 13 | en | Conversion of 7AC to 7BCM Using a Carburetor Type Engine | 4/22/1949 | |
| SL 13 | rev | en | Conversion of 7AC to 7BCM Using a Carburetor Type Engine | 1/20/1960 |
| SL 14 | en | Conversion of a 7AC to 7DC Using a Carburetor Type Engine | 4/22/1949 | |
| SL 14 (w/Supp 1) |
rev | en | Conversion of a 7AC to 7DC Using a Carburetor Type Engine | 1/20/1960 |
| SL 15 (w/Supp 1) |
rev | en | Conversion of a 7AC to 7CCm Using a Carburetor Type Engine | 1/20/1960 |
| SL 16 | reissued | en | Conversion of a 7CCM (Carburetor Engine) Landplane to a Seaplane | 2/20/1969 |
| SL 17 | reissued | en | Conversion of a 11AC to a 11EC Using a Carburetor Type Engine | 3/15/1962 |
| SL 20 | en | Installation - Instructions - "No-Bounce" Landing Gear Oleo Assembly | 2/20/1969 | |
| SL 21 | reissued | en | Cruising R.P.M. for 7CCM and S7CCM | 3/16/1962 |
| SL 23 | en | Conversion of a L1BC Landplane to a S11BC Seaplane | 7/1/1949 | |
| SL 24 | en | Cruising R.P.M. for 7BCM, 7DC and S7DC | 7/6/1949 | |
| SL 28 | reissued | en | Installation Instructions and Parts List Kit 167 Cabin Heater | 2/19/1969 |
| SL 29 | reissued | en | Conversion of 7EC Landplane to S7EC Seaplane | 2/21/1969 |
| SL 31 | en | Change of Steering Link Boots (2-1523) on Champion 7FC | 2/20/1969 | |
| SL 32 | en | Spinner Backplates on 7EC S/Ns 419 through 619 and 7FC S/Ns 2 through 87 | 2/20/1969 | |
| SL 35 | reissued | en | Installation Approval of Fiberglass Wing Tips on all 7AC, 7BCM, 7CCM, 7DC, 7EC and 7FC | 2/21/1969 |
| SL 37 | en | Possibility of Excessive Wear on Nose Gear Positioning Stop | ||
| SL 39 | en | Fuel System Vent Lines | 2/25/1969 | |
| SL 42 | en | Importance of Keeping Landing gear Oleo Assemblies at the Proper Fluid Level | 3/4/1969 | |
| SL 43 | en | Installation of Pee-Kay 1800 Floats on Champion 7HC | ||
| SL 44 | en | Inspection of Oleo Cylinder Lower end Braze, (Main Gear Only) | 3/4/1969 | |
| SL 45 | en | Installation of Wide Track Main Gear | 2/25/1969 | |
| SL 46 | en | 50 lb. Gross Weight Increase | 3/4/1969 | |
| SL 48 | en | Installation of Hi-Energy Washer Type Taxi Spring | ||
| SL 49 | en | Conversion of 7JG to 7EC | 2/24/1969 | |
| SL 50 | en | Installation of Wide Track Main Gear - 7HC | 3/4/1969 | |
| SL 51 | en | Landing Gear Oleo - Axle Attachment Interchangeability | 11/5/1965 | |
| SL 52 | en | 50 lb. Gross Weight Increase | 2/21/1969 | |
| SL 54 | en | Replacement of 1-8752 Nose Gear Stop Ring | 2/26/1969 | |
| SL 55 | en | Fairing Attachment Modification | 10/19/1961 | |
| SL 56 | en | Conversion - Champion 7AC to 7EC (Master Parts List) | 4/10/1963 | |
| SL 57 | en | Removal of 1-9102 Placard from Instrument Panel | 12/26/1963 | |
| SL 58 | en | Removal of 2-1849-2 Swivel Hooks from 2-1849 Nylon Tie Down Lines | 2/21/1969 | |
| SL 59 | en | Locking of Carb Airscoop Alternate Air Door | 2/21/1969 | |
| SL 60 | en | Conversion - Champion 7EC to 7GC | 6/17/1963 | |
| SL 61 | reissued | en | Applicability of Various Optional Installation Items on Champion 7AC, 7BCM (L-16A), 7CCM (L-16B), 7DC and 7EC | 3/5/1969 |
| SL 62 (w/Supp 1) |
en | Replacement of Engine Mount P/N 7-1181 | 3/6/1969 | |
| SL 63 | en | Installation of Optional Clumb Propeller McCauley 1A100MCM6948 | 12/16/1963 | |
| SL 65 | en | Use of 5-294 Front Wing Strut on All Model 7 Aircraft | 3/18/1964 | |
| SL 66 | en | Inspection and/or Replacement of Exhaust Manifold-Extension Connection Clamp and Extension Flexible Supports | 6/16/1964 | |
| SL 67 | en | Possible Leakage of Battery Acid During Acrobatic Maneuvers | 1/25/1965 | |
| SL 68 | en | Installation of 1-9963 Acrobatic Placard | 12/9/1964 | |
| SL 69 | en | Cracks Appearing in Gear Drag Strut Fitting | 2/4/1965 | |
| SL 70 | en | Rudder Cable Pulley Lubrication | 2/8/1967 | |
| SL 71 | en | Inspection Check of Fuel Vent Assembly | 1/15/1966 | |
| SL 72 | en | Front Wing Strut Drain Hole | 2/8/1967 | |
| SL 73 | en | Installation of Rudder Pedal Stop | 1/13/1967 | |
| SL 74 | en | Color of Emergency Door Release | 2/8/1967 | |
| SL 75 | en | Inspection of Wing Fabric and Leading Edge Skin Attachment | 2/8/1967 | |
| SL 77 | en | Battery Acid Leakage During Acrobatics | 5/22/1967 | |
| SL 78 | en | Replacement of Nylon Brake Lines | 5/22/1967 | |
| SL 79 | en | Operation on Seat Belts, and Required Replacement Types | 2/12/1968 | |
| SL 80 | en | Throttle Knob Attachment | 11/15/1967 | |
| SL 81 | en | Brake Fluid Leakage in Aerobatic Aircraft | 11/15/1967 | |
| SL 84 | en | Availability of Revised Wheel Pant Brackets | 1/15/1968 | |
| SL 85 | en | Fabric Replacement - Pop-Riveted Wings | 2/5/1968 | |
| SL 86 | en | Front Rudder Pedal Return Springs Rubbing on Adjacent Fuselage Tubes | 1/15/1968 | |
| SL 87 | en | Service Publications Index | 1/4/1971 | |
| SL 88 | en | Service Kit Index | 1/4/1971 | |
| SL 89 | en | Revised 19.5-Gallon Fuel Tanks | 2/1/1968 | |
| SL 91 | en | Availability of Auxiliary Upper Door Latch | 8/16/1968 | |
| SL 92 | en | Vented, Sealed Manifold for Rebat Batteries Installed Aft of Baggage Compartment | 8/19/1968 | |
| SL 93 | en | Propeller and Spinner Assembly Component | 2/13/1969 | |
| SL 94 | en | Throttle Arm Knob Replacement | 5/5/1969 | |
| SL 95 | en | Inspection, Repair and Modification of Aileron Bay Ribs | 6/9/1969 | |
| SL 96 | en | Reinforcement of Fuselage Longeron at Landing Gear | 8/1/1969 | |
| SL 97 | en | Inspection of Wing Fuel Selector Valve Alignment | 11/2/1970 | |
| SL 98 | en | To Prevent Possible Loosening of Fuselage Belly Fabric at the Forward Belly Former | 11/2/1970 | |
| SL 100 | en | Removal of P/N 2-1525 Rudder Pedal Springs | 5/5/1971 | |
| SL 101 | en | Replacement of Aluminum Pulleys in Elevator and Rudder Control Systems | 9/10/1971 | |
| SL 102 | en | Fuel Vent Line Blockage by Ice or Snow | 9/1/1972 | |
| SL 103 | en | Battery Venting | 6/1/1972 | |
| SL 104 | en | Control Cables Replacement | 9/12/1972 | |
| SL 105 | en | Installation - Battery Box | 9/19/1972 | |
| SL 106 | en | Fuel Lines 8KCAB 'Decathlon' | 9/25/1972 | |
| SL 107 | en | Firewall and Cowling Cooling Modification | 9/25/1972 | |
| SL 108 | en | Installation Flexible Brake Lines | 9/22/1972 | |
| SL 109 | en | All 1972 and 1973 Champion 7ECA, 7GCAA, 7KCAB, 7GCBC and 8KCAB Manufactured Prior to May 1, 1973, Equipped with Folding Back Seat Frame | 5/5/1973 | |
| SL 110 | en | Above Normal Vibration on 1973 Citabrias, 7EAC, 7GCAA, 7KCAB, 7GCBC Equipped with Two Piece Cowl Having an Oil Access Door Only | 5/30/1973 | |
| SL 111 | en | Inspection of Left Wing Overboard Fuel Vent Assembly P/N 2-1938D | 7/27/1973 | |
| SL 112 | en | Operation of Franklin Engine, 2A-120 | 2/12/1974 | |
| SL 113 | en | Inspection and Repair of Wing Ribs | 11/5/1974 | |
| SL 115 | en | Revised Propeller Limitations | 1/13/1975 | |
| SL 116 | en | Wing Leading Edge Inspection | 3/6/1975 | |
| SL 117 | en | Installation Butt Rib Support | 3/6/1975 | |
| SL 118 | A | en | Replacement of Carburetor Air Box Alternate Air Valve | 7/10/1975 |
| SL 119 | A | en | Aileron Clearance | 7/5/1978 |
| SL 120 | en | Carburetor Airbox Alternate Air Valve Replacement | 5/1/1975 | |
| SL 121 | en | Sorensen Equipment Approval | 5/20/1975 | |
| SL 122 | en | Alternate Emergency Exit Placard | 1/5/1976 | |
| SL 123 | en | Ammeter Needle Fluctuation | 12/19/1975 | |
| SL 401 | en | Front Folding Seat | 6/14/1989 | |
| SL 402 | en | Strut Fitting, Front Spar | 6/29/1990 | |
| SL 403 | en | Oil Pressure Lines and Fuel Pressure Lines | 2/20/1992 | |
| SL 404 | en | Aileron Hinges | 7/16/1992 | |
| SL 405 | en | Strut Fitting, Front Spar | ||
| SL 406 | en | Wood Spar Inspection | 3/28/1994 | |
| SL 406 | A | en | Wood Spar Inspection | 5/6/1998 |
| SL 407 | en | Cowling, Exhaust Stack Clearance, Tail Pipe Cracking Inspection | ||
| SL 408 | en | Mandatory Inspection of Front Strut Fittings | 1/24/1996 | |
| SL 409 | A | en | Mandatory Inspection of Front Strut Fittings | 4/22/1996 |
| SL 410 | en | Mandatory Installation of Removable Inspection Hole Covers for Strut Fitting Removal and Repeat Inspection (Already Complied with Service Letter 408) | 5/6/1996 | |
| SL 411 | en | Mandatory Installation of Removable Inspection Hole Covers for Strut Fitting Removal and Repeat Inspection | 5/6/1996 | |
| SL 412 | en | Mandatory Installation of Removable Inspection Hole Covers for Strut Fitting Removal and Repeat Inspection (Already Complied with Service Letter 409) | 5/6/1996 | |
| SL 413 | en | Mandatory Installation of Removable Inspection Hole Covers for Strut Fitting Removal and Repeat Inspection | 5/6/1996 | |
| SL 414 | A | en | Mandatory Repeat Inspection of Front Strut Fittings 3-1691 (Replacement of 3-1632 Fittings with 3-1691 Fittings) | 6/25/1996 |
| SL 415 | A | en | Mandatory Repeat Inspection of Front Strut Fittings 3-1692 (Replacement of 3-1646 Fittings with 3-1692 Fittings) | 6/25/1996 |
| SL 416 | en | Inspection of Engine Cowling | 9/17/1996 | |
| SL 417 | en | Installation of Inspection Covers for Wood Spar Inspection | 8/14/1997 | |
| SL 417 | A | en | Installation of Inspection Covers for Wood Spar Inspection | 10/2/1997 |
| SL 417 | B | en | Installation of Inspection Covers for Wood Spar Inspection | 2/10/1998 |
| SL 417 | C | en | Installation of Inspection Covers for Wood Spar Inspection | 5/6/1998 |
| SL 418 | A | en | Electrical System Related Problems Including Grounded Wires Causing Fires and Grounded Wires Melting | 1/19/2001 |
| SL 419 | en | Inspection of Fuel Line Near Flap Quadrant | 2/5/1999 | |
| SL 420 | A | en | Metal Spar Wing Installation on Older Models | 4/25/2002 |
| SL 421 | en | Seat Belt Retrofit on Early Model Aircraft | 3/28/2002 | |
| SL 422 | A | en | Aluminum Gear Retrofit | 1/14/2005 |
| SL 423 | en | Optional 8KCAB Normal Category Gross Weight Increase | 3/8/2004 | |
| SL 424 | en | Inspection of Flap Wing Root Pulley and Cable | 3/8/2004 | |
| SL 425 | en | Inspection of Brake Cotter Pin | 6/17/2004 | |
| SL 426 | en | Inspection/Upgrade of Wing Tip Navigational Light Wires | 1/19/2005 | |
| SL 427 | B | en | Inspection of Nicopress Sleeves | 11/29/2005 |
| SL 428 | en | Inspection of Repaired Wide Rear Seat | 1/27/2006 | |
| SL 429 | en | Inspection of Stereo Headphone Wiring | 5/9/2007 | |
| SL 430 | A | en | Conversion of 7ECA, 7GCAA and 7GCBC to Lycoming O-320-B2B or Equivalently Provisioned Engine per TCDS E-274 | 3/5/2008 |
| SL 431 | en | Inspection Folding Rear Seat Hinge | 7/20/2009 | |
| SL 432 | en | Mandatory Inspection Folding Rear Seat Restraint Cable | 3/17/2009 | |
| SL 433 | en | Installation of Front Seat Lap Belts | 7/12/2010 | |
| SL 434 | en | Door Release Pin and Ring | 6/9/2011 | |
| SL 435 | en | Fuselage Inspection for Loose Items | 6/9/2011 | |
| SL 436 | en | Installation Floorboard Extensions or Revised Floorboards | 6/10/2011 | |
| SL 437 | en | One-Time Inspection of Folding Front Seat Bottom | 8/14/2012 | |
| SL 438 | en | Inspection of Fuselage Frame at Main Gear Attachment | 9/25/2014 | |
| SL 439 | en | Airbox Inspection | 1/22/2016 | |
| SL 440 | en | Airbox Inspection | 1/22/2016 | |
| SL 441 | en | Sealed Battery Installation; Also, Global Alternative Method of Compliance (AMOC) to AD 72-18-03 | 4/15/2015 | |
| SL 442 | en | Inspection of Aileron Hinge Rib and Support | 2/16/2017 | |
| SL 442 | A | en | Inspection of Aileron Hinge Rib and Support | 8/18/2017 |
| SL 443 | en | Inspection of Aileron Hinge Rib and Support | 8/18/2017 | |
| SL 444 | en | Installation of Aileron Hinge Reinforcement (ICA) | 8/18/2017 | |
| SL 445 | en | Aerobatic Maneuvering and Aileron Application | 9/12/2017 | |
| SL 446 | en | Elevator Control Cables | 5/23/2018 | |
| SL 448 | en | 8KCAB Loading Schedule | 5/21/2018 | |
| SL 449 | en | Corrosion Inspection and Preventative Maintenance | 5/23/2018 | |
| SL 450 | en | Exterior Washing | 6/2/2018 | |
| SL 451 | en | Bolt Wear at Exhaust Slip Joints | 3/18/2020 | |
| SL 452 | en | Relocation of Cowl Fastener | 3/19/2020 | |
| SL 453 | en | Shroud to Nosebowl Clearance | 3/20/2020 | |
| SL 454 | en | Improved Cabin Heat | 3/23/2020 | |
| SL 455 | en | Air Box Screw/Bolt Abrasion | 8/8/2022 | |
| SL 456 | en | Fuel Shut-Off Valve Assembly | 12/5/2022 | |
| SL 457 | en | Lycoming Electronic Ignition System Placard | 2/10/2022 | |
| SL 458 | en | Manifold Pressure Line Upgrade | 8/17/2023 | |
| SL 459 | en | Inspection of Rudder & Vertical Stabilizer Upper & Lower Hinge | 4/24/2025 |