Updated Articles

  1. SB-82 Piper Safety Wire for Control System Turnbuckles

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-4
    Due to a number of reported failures of single strand .032" safety wire used on control system turnbuckles, it is considered necessary to replace the safety wire with single strand .040" brass or copper wire.

  2. SB-66 Piper Flexible Hose End Fittings (3/8" Synthetic)

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-5
    Testing for secure attachment of flexible hose end fittings.

  3. SB-66 Piper Flexible Hose End Fittings (3/8" Synthetic)

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-4
    Testing for secure attachment of flexible hose end fittings.

  4. 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.

  5. 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.

  6. 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.

  7. 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.

  8. 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).

  9. 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.

  10. 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).
Copyright © 2023 Univair Aircraft Corporation. All rights reserved.