New Articles

  1. SB-71 Piper J-3/J-4/J-5 Exhaust Muffler Inspection and Repair

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-4
    Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.

  2. SB-80 Piper J-3/J-4 Fuel Valve Control

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-4
    Installing a spring on the fuel shut-off to assist opening of the valve.

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

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Installation of a new gasket with more cushioning properties to eliminate breakage of the glass fuel strainer bowl.

  4. SB-109 Piper PA-12/PA-14 Cracking of Aileron and Flap Bellcranks

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-14
    Reports of cracks in the cast aluminum aileron bellcranks due to excessively tightening of the bolt which attaches the aileron push rod to the bellcrank.

  5. SB-104 Piper PA-11/PA-12 Fuel Line Fitting

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Loose end fitting on the flexible fuel line connecting the fuel strainer to the carburetor.

  6. SL-157 Piper PA-14/PA-16/PA-20 Loose Connections

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-16
    Trouble with the starter button sticking as a result of a loose connection in the starting circuit.

  7. SM-11 Piper PA-12/PA-14 Shock Cord Installation Instructions

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-14
    Instructions for installing shock cords on Piper PA-12 and PA-14 aircraft.

  8. SL-157 Piper PA-14/PA-16/PA-20 Loose Connections

    Created On: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Trouble with the starter button sticking as a result of a loose connection in the starting circuit.

  9. SB-121 Piper PA-18/PA-20/PA-22 Oil Radiator Lines

    Created On: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Misalignment of the oil radiator lines on the Lycoming 0-290-D2 135 horsepower engines at the point where they pass through the rear engine baffle.

  10. SB-121 Piper PA-18/PA-20/PA-22 Oil Radiator Lines

    Created On: 04/12/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Misalignment of the oil radiator lines on the Lycoming 0-290-D2 135 horsepower engines at the point where they pass through the rear engine baffle.
Copyright © 2023 Univair Aircraft Corporation. All rights reserved.