New Articles

  1. SL-212 Piper PA-22 Nose Wheel Shimmy Dampener

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Information regarding modification of the shimmy dampener to prevent separation between the assembly body and the end plate.

  2. SL-214 Piper PA-20/PA-22 Navigation Light Switch

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Update to Service Letter #209.

  3. SL-258 Piper PA-22 Fuel Tank Cap

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    To aid in the identification of both types (old vs. new) of fuel tank caps for the Piper PA-22 airplanes, we have provided sketches on the reverse side of this letter.

  4. SL-358B Piper PA-22 Inspection of Engine and Nose Wheel Mounts

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Instructions for more rigid visual inspections of the engine and nose wheel mounts for indication of cracks at each of the 100 hour inspections.

  5. SL-369 Piper PA-22 Inspection of Brake Cable and Pulleys

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Closer inspection required of the brake cable and pulleys is necessary to find frayed or broken cables, generally where the cable contacts the pulleys.

  6. SL-405 Piper PA-22 Inspection of Upper Nose Gear Oleo Bearing

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Reports have been received indicating that movement of the nose gear can be restricted due to binding of the upper nose gear oleo bearing due to lack of lubrication.

  7. SL-423 Piper PA-22 Muffler and Tailpipe Support Kits

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Installation of Muffler Support Kit No. 756-803, and Tailpipe Support Kit No. 756-804, will be instrumental in extending the service life of the exhaust system.

  8. SM-59 Piper PA-20 Specifications and Performance

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Specifications and performance data for Piper PA-20 "125" and "135" airplanes.

  9. SL-410 Piper PA-22 Inspection and Lubrication of Stabilizer Yoke and Yoke Screw

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    At each 100 hour inspection, the bushing, washer and nut of the stabilizer yoke assembly should be inspected for wear and, if worn, should be replaced.

  10. SM-35 Piper PA-20/PA-22 Increase in Gross Weight

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Increase in gross weight 1800 to 1950 pounds (Lycoming 0-290-d engine) (125 hp only).
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