New Articles

  1. SL-353A Piper PA-22 Propeller Decal

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    The decal originally attached to the propellers of aircraft indicated by the above serial numbers is incorrect. The incorrectly marked decal must be removed and replaced with the correctly marked decal.

  2. SB-123 Piper PA-20/PA-22 Front Spar Interference

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Inspection to determine if there is interference between the inboard end of the front spar web and the aileron pulley attachment bolt in the area of the front wing hinge fitting.

  3. SB-124 Piper PA-22 Landing Gear Reinforcement

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Modification and reinforcement of landing gear to prevent cracks in the leading edge of the streamlined tube where it joins the inboard end of the axle.

  4. SB-135 Piper PA-20/PA-22 Fuel Selector Valve Pointer

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Instructions for correcting an incorrectly installed pointer on the fuel selector valve.

  5. SB-153A Piper PA-22 Brake Master Cylinder Diaphragm

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Failures of the diaphragm in the B711 Scott Master Cylinder used on the PA-22 Tri-Pacer within 300 or 400 hours of operation.

  6. SB-351 Piper PA-20/PA-22 Fuel Line Replacement

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    A recent survey of PA-20 and PA-22 aircraft has revealed that a certain number of these airplanes are operating with the strainer to carburetor flexible fuel line in a deteriorated condition.

  7. SB-924 Piper PA-22 Shimmy Dampener Replacement

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Replacing the shimmy dampener currently installed in the affected model aircraft with new shimmy dampener, part number 13086-00, and instructions for continuing maintenance at regular intervals.

  8. SL-138 Piper PA-20 Rudder Pedal Tube Attachment

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    It is recommended that a #6 x 3/8" Parker Screw be installed in the rudder pedal tube clamp of the right hand rudder pedals to eliminate the possible rotation of the rudder pedal cross tube on the torque tube arm.

  9. SL-175 Piper PA-22 Nose Wheel Bumper Block Spacer Plate

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    The installation of a spacer plate will in most cases completely eliminate any thumping which the nose wheel now makes at full extension.

  10. SL-194 Piper PA-20/PA-22 Sealing of Firewalls

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Instructions for sealing any gaps or holes in the firewalls with non-hardening fireproof putty.
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