Popular Articles

  1. SB-71 Piper J-3/J-4/J-5 Exhaust Muffler Inspection and Repair

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-5
    Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.

  2. 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-16
    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.

  3. SB-819 Piper Fuselage Door Frame Tube Corrosion

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Compromised structural integrity of the fuselage due to excessive rust and corrosion between steel tubing and preformed sheet steel material.

  4. SM-62 "Ditching" of Ercoupes

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Information on "ditching" operations in Ercoupes.

  5. SM-05 Piper J-3/PA-11 Rigging Procedure

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    Rigging and leveling procedures for Piper J-3 Cub Special and PA-11 aircraft.

  6. SM-68 Ercoupe Hydraulic Fluid Compatibility

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Use of proper hydraulic fluid in early serial number Ercoupes.

  7. SM-58A Ercoupe Outer Panel Inspection and Repair

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Service Memorandum #58, issued in May 1950, called attention to the necessity of properly maintaining Ercoupe wings. At this time we believe it desirable to reiterate these instructions.

  8. SL-109 Piper Winter Operation Recommendations

    Last Updated: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Recommended modifications for winter operations of Piper J-3, PA-11 and PA-12 aircraft.

  9. SM-52 Ercoupe Torque Applied to Tighten Nipple, AN911-2

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Excessive tightening of nipple AN911-2 may start internal cracks, which will eventually cause complete failure of the nipple.

  10. SB 5-46 Luscombe Battery Cable Clip

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Luscombe
    Installation of battery cable clip to preclude possible short circuiting of the battery cable.
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