New Articles

  1. SB-86 Piper J-3 Lift Struts and Lift Strut Clevis Bolts

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Inspect the lift strut clevis bolts for evidence of abuse. If such evidence is noted, the bolts shall be replaced.

  2. SB-88 Piper J-3 Scott Master Cylinder Relocation

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Instructions for moving the Scott Brake cylinders from a position directly aft of the rear rudder pedals to a new position as shown in the attached sketches.

  3. SB-89 Piper J-3/PA-12 Replacement of Kem Gasoline Filter Gasket

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Installation of a new gasket with more cushioning properties to eliminate breakage of the glass fuel strainer bowl.

  4. SB-103 Piper J-3/PA-11 Shock Strut Stop Discs

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Replacing rubber stop discs with leather discs at the next periodic inspection.

  5. SB-112B Piper J-3 Thru PA-17 Service Inspection Notes

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    These inspection notes are issued as a recommended check list to assist owners, operators, and maintenance personnel in keeping their Piper airplanes in an airworthy condition.

  6. SB-113 Piper PA-11 Weight and Balance

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    The weight and balance forms which were issued with all Model PA-11-90 airplanes, prior to serial number 11-993, are not correct in so far as loading and C. G. limits specified are concerned.

  7. SB-522 Piper Wing Fuel Tank Cap Modification

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

  8. SB-1041 Piper Inspection and Cleaning of Airborne Air Filter Elements

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-18
    The possibility exists where the airplane's gyro vacuum/pressure system may become contaminated by loose particles originating from the air filter element.

  9. SB-111 Piper Torque Tube Connector Tube Assembly

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Inspection to ascertain that the flattened tube end fitting at each end of the connector tube is riveted in place as shown in sketch.

  10. SL-32 Piper J-3 Aileron Cable Pulley Installation

    Created On: 09/17/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Due to wear at the fairleads of the lower aileron cables in the fuselage, we suggest replacing these fairleads with pulleys.
Copyright © 2023 Univair Aircraft Corporation. All rights reserved.