Popular Articles

  1. FSB-108 Ercoupe Re-routing of Oil Breather Line

    The re-routing of the oil breather line will empty oil vapors almost directly to the outside of the airplane, helping to eliminate an excessively dirty engine compartment.
  2. Piper Lift Strut Fork - Maximum Extension

    Subject: Typical and maximum number of exposed strut threads as permitted for rigging on Piper aircraft. Applicability: Piper J-3, J-4, J-5, and PA-11 through PA-22 Download PDF: Lift-Strut-Fork-Extension.pdf Piper Strut Thread (Typical ...
  3. SM-32 Ercoupe Brake Pedal Arm (415-33438) - Effect of Change

    The brake pedal arm has been redesigned as a result of reported failures on this part in the field.
  4. SB-110 Piper PA-15/PA-17 Windshield Attachment

    Rework to eliminate the possibility of the windshield coming out of its top retaining channel.
  5. AD 51-23-03 Battery Box Insulation

    Installation of insulators inside the battery box cover over the battery terminals to positively prevent a metallic contact between the wing nuts or terminals and cover.
  6. SL-213 Piper Primer Lines

    To prevent excessive wear of the primer line, resulting in fuel leakage and possible cabin fire, it is recommended that primer lines be clamped and/or re-routed per the sketch included with this letter.
  7. AD 46-23-01 Muffler Replacement

    Replacing the original muffler on the serial numbers listed above with a new muffler.
  8. SL-220 Piper Brass Safety Wire

    It has been found that the .040" brass safety wire which is being used to safety the propeller hub bolts does not provide a safety that is completely satisfactory.
  9. SB-253 Stinson Inspection of Cabin Sliding Window

    As a precaution against possible cracking of the sliding window, at the knob, we recommend the following correction on airplanes in the above category.
  10. SB-65 Piper J-4/J-5 Fuel Tank Repairs

    Instructions for repairs of minor cracks, pin holes and failed spot welds in the stainless steel wing tanks.