Popular Articles

  1. SB-324 Piper Vacuum Pump Adapter Drive Assembly

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-18
    Instructions for an inspection of the vacuum pump adapter drive assembly.

  2. SL-243 Piper PA-22 Engine Mount

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Inspecting the engine mount to determine if there is any evidence of fatigue cracks in the vicinity of the welds at both the firewall and the engine attachment points.

  3. SL-260 Piper PA-22 Brake System

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Information for removing the spring from the brake system.

  4. AD 47-20-03 Fuel Pump Line Alteration

    Last Updated: 09/08/2021 in Airworthiness Directives Ercoupe, Forney, Alon, M-10 Cadet
    Inspect the fuel pump lines near the pump for failure and leakage due to chafing, on aircraft which incorporate fuel pumps with a metal filter bowl.

  5. SB-76 Piper J-3 Windshield Replacement

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Recommended procedure for installing a one-piece Plexiglas windshield.

  6. SB-143 Piper Magneto Ground Wire Attachment Nut

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Instructions for safetying the terminal attachment nut on the magneto ground wire.

  7. SB-100 Piper PA-12 Cowling Interference

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Possibility of cowl attachments loosening and allowing the nose cowl to bear against the starter ring-gear casting near the propeller hub; in some cases, actually severing the casting.

  8. SB-248A Stinson Protection of Wiring Harness

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Stinson
    Corrective procedure for possible chafing of the wiring harness at the throttle bracket behind the instrument panel.

  9. SB-266 Stinson Broken Core Strands in Rudder Cables

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Stinson
    How to determine whether or not the core strands of the rudder cables are broken.

  10. AD 46-23-01 Muffler Replacement

    Last Updated: 09/08/2021 in Airworthiness Directives Ercoupe, Forney, Alon, M-10 Cadet
    Replacing the original muffler on the serial numbers listed above with a new muffler.
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