New Articles

  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. 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.

  6. 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.

  7. SL-212 Piper PA-22 Nose Wheel Shimmy Dampener

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Information regarding modification of the shimmy dampener to prevent separation between the assembly body and the end plate.

  8. SL-214 Piper PA-20/PA-22 Navigation Light Switch

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Update to Service Letter #209.

  9. SL-258 Piper PA-22 Fuel Tank Cap

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    To aid in the identification of both types (old vs. new) of fuel tank caps for the Piper PA-22 airplanes, we have provided sketches on the reverse side of this letter.

  10. SL-358B Piper PA-22 Inspection of Engine and Nose Wheel Mounts

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Instructions for more rigid visual inspections of the engine and nose wheel mounts for indication of cracks at each of the 100 hour inspections.
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