Updated Articles

  1. SB-61 Piper Aging of Protective Finish on Wood Wing Spars

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-5
    A noticeable aging of the spar finish occurs in listed airplane models that are continually exposed to adverse atmospheric conditions.

  2. SB-61 Piper Aging of Protective Finish on Wood Wing Spars

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-4
    A noticeable aging of the spar finish occurs in listed airplane models that are continually exposed to adverse atmospheric conditions.

  3. SA MISC/TP-1001A Piper Engine Mounting

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Tightening engine mounting bolts to obtain a torque of (40) inch pounds.

  4. SB-924 Piper PA-22 Shimmy Dampener Replacement

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Replacing the shimmy dampener currently installed in the affected model aircraft with new shimmy dampener, part number 13086-00, and instructions for continuing maintenance at regular intervals.

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

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Increase in gross weight 1800 to 1950 pounds (Lycoming 0-290-d engine) (125 hp only).

  6. SM-25 Piper PA-20/PA-22 Approximate Materials to Recover

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Approximate amount of materials required to recover PA-20 and PA-22 models using raw fabric and cellulose acetate butyrate dope.

  7. SM-21 Piper Rigging Procedure Supplement to PA-20 for PA-22

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Model PA-22 rigging procedure (supplement to PA-20 Rigging Procedure).

  8. SL-406 Piper PA-20/PA-22 Revision to Owner's Handbook

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Correction to Owner's Handbooks for the listed models.

  9. SL-176 Piper PA-20/PA-22 Stabilizer Adjusting Mechanism

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Suggestions to alleviate troubles with the stabilizer adjusting mechanism.

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

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Update to Service Letter #209.
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