Updated Articles

  1. SB-573 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    A recent fuel tank collapse was attributed to inadequate venting, caused by obstruction of the cap vent holes installed per Piper Service Bulletin No. 522.

  2. SB-522 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  3. SB-522 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  4. SB-522 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-18
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  5. SB-522 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-16
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  6. SB-522 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-14
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  7. SB-522 Piper Wing Fuel Tank Cap Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  8. SB-354B Piper Fuel Selector Valve Lubrication

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Checking fuel selector valve for ease of rotation and instructions for lubricating.

  9. SB-354B Piper Fuel Selector Valve Lubrication

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Checking fuel selector valve for ease of rotation and instructions for lubricating.

  10. SB-218 Piper Replacement of Vacuum Pump Splined Coupling

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Reports of the vacuum pump splined coupling on Airborne Mechanisms Vacuum Pumps Models 113A5 and 113A8 may fail prematurely as a result of over-curing.
Copyright © 2023 Univair Aircraft Corporation. All rights reserved.