Popular Articles

  1. SL-136A Piper PA-20/PA-22 Fuel Line Chafing and Fuel Valve Operation

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Inspection of the aluminum fuel lines forward of the fuel valve.

  2. SB-14 Ercoupe Engine Cowl Hinge

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Means of preventing the hinge pins from vibrating loose and moving forward into the propeller.

  3. SB-02 Silvaire Jack Strut Clevis Failure

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Luscombe
    Failure of the rod end fitting on the lower end of the landing gear jack strut on the two piece landing gear.

  4. SM-22 Piper Materials to Recover Component Parts

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.

  5. SB-80 Piper J-3/J-4 Fuel Valve Control

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Installing a spring on the fuel shut-off to assist opening of the valve.

  6. VSP-62 Piper Inspection of Impulse Coupling Cam Assemblies

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Addresses a potential for impulse coupling failure, which can result in total loss of engine power.

  7. SB-255 Stinson Accelerator Pump Kit

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Stinson
    Information on the Marvel-Schebler Accelerator Pump Kit, part A666-581.

  8. SB-103 Piper J-3/PA-11 Shock Strut Stop Discs

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    Replacing rubber stop discs with leather discs at the next periodic inspection.

  9. SB-120 Piper J-3/PA-11 Replacement of Front and Rear Lift Strut Forks and Barrels

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    Failures of lift struts caused by abuse, failure to replace lift struts after ground accidents, and the use of damaged parts from scrapped airplanes as service replacement parts.

  10. SB-111 Piper Torque Tube Connector Tube Assembly

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    Inspection to ascertain that the flattened tube end fitting at each end of the connector tube is riveted in place as shown in sketch.
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