New Articles

  1. SB-573 Piper Wing Fuel Tank Cap Modification

    A recent fuel tank collapse was attributed to inadequate venting, caused by obstruction of the cap vent holes installed per Piper Service Bulletin No. 522.
  2. SB-819 Piper Fuselage Door Frame Tube Corrosion

    Compromised structural integrity of the fuselage due to excessive rust and corrosion between steel tubing and preformed sheet steel material.
  3. SB-819 Piper Fuselage Door Frame Tube Corrosion

    Compromised structural integrity of the fuselage due to excessive rust and corrosion between steel tubing and preformed sheet steel material.
  4. SB-819 Piper Fuselage Door Frame Tube Corrosion

    Compromised structural integrity of the fuselage due to excessive rust and corrosion between steel tubing and preformed sheet steel material.
  5. SB-868 Piper Forward Fuel Header Tank Installation

    Installing an improved forward fuel header tank with thicker walls and welded seals, which provides greater resistance to impact rupture in the event of an accident.
  6. SB-1026 Piper Inspection of Dry Air Pump Flexible Couplings

    A condition exists where the flexible coupling connecting the vacuum pump may fail prematurely, causing a loss of vacuum/pressure with the resultant loss of vacuum/pressure instruments and other appliances.
  7. SB-135 Piper PA-20/PA-22 Fuel Selector Valve Pointer

    Instructions for correcting an incorrectly installed pointer on the fuel selector valve.
  8. SB-163A Piper PA-20/PA-22 Fusing of Cigar Lighter Circuit

    Installing an additional standard fuse (15A Bussman #AGC-15) in the wire between the cigar lighter and the ammeter at the next 100 hour inspection to protect against a short circuit condition.
  9. SB-351 Piper PA-20/PA-22 Fuel Line Replacement

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

    Update to Service Letter #209.