Popular Articles

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

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Approximate amount of materials required to recover PA-20 and PA-22 models using raw fabric and cellulose acetate butyrate dope.

  2. SB-46 Piper J-3/J-4 Strainer Attachment Fittings

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-4
    Failure of strainer/carburetor attaching fittings which may be attributed metal fatigue.

  3. AD 52-28-01 Fuel Transfer Placard

    Last Updated: 09/08/2021 in Airworthiness Directives Aeronca, Champion, Citabria, Bellanca
    Accidents have occurred in model 11AC and S11AC aircraft due to misuse of the fuel transfer system. These accidents have been caused by pilots attempting to transfer fuel while taking off or in a climb attitude.

  4. AD 46-37-01 Fuel Strainer Gasket

    Last Updated: 09/09/2021 in Airworthiness Directives Piper J-4 thru PA-22 and PA-25
    Steps to prevent possible failure of the fuel strainer bowl.

  5. SM-46 Ercoupe Relubrication of Sealed Bearings

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Detailed instruction on the relubrication of sealed bearings used in the Ercoupe.

  6. SL-140 Piper PA-20 Rudder Cable Rub Block

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Instructions to eliminate slackness in both the right and left rudder cables.

  7. SM-69 Piper Flight Approval for PA-22 with Rear Door Removed

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    An approval has been obtained for operating the PA-22 Tri-Pacer with the rear door removed (parachute jumping, photography, etc.).

  8. SB-104 Piper PA-11/PA-12 Fuel Line Fitting

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Loose end fitting on the flexible fuel line connecting the fuel strainer to the carburetor.

  9. SB-118 Piper Battery Box Lid Modification

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Modifying the battery box lid to eliminate the possibility of "shorting" the battery terminal wing nuts.

  10. 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.
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