Popular Articles

  1. SL-682B Piper Required Inspection of Piston Pin

    Failure of part number 69650 piston pins, caused by transverse grinding or heat cracks which occurred during manufacture of the piston pin.
  2. SB-107 Piper PA-12 Aileron Bracket Attachment Fitting

    Reports of cracks occurring in the aileron hinge bracket to false spar fittings at the bend between the channel port and the flat portion of the fitting.
  3. AD 69-23-03 Lower Longeron Inspection

    How to determine if the lower longerons are made from 1025 steel or the approved 4130 steel. To be accomplished before further flight.
  4. SM-33 Ercoupe Repair of Aluminum Fuel Tanks

    Describes a method of repair for aluminum fuel tanks, seam leakage or seepage.
  5. SB-29 Rev C Ercoupe Mandatory Outer Wing Panel Inspection

    Procedure for visual inspection of outer wing panel structure for evidence of corrosion.
  6. SB-135 Piper PA-20/PA-22 Fuel Selector Valve Pointer

    Instructions for correcting an incorrectly installed pointer on the fuel selector valve.
  7. Piper PA-18 Fuel Sight Gauge "TOP" Marking

    Revision to fuel gauge number 10837 to improve quantity visibility.
  8. AD 59-10-08 Gas Tank Cap Vent

    Reworking the vents in fuel tank caps to comply with AD 56-26-02.
  9. SB-124 Piper PA-22 Landing Gear Reinforcement

    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.
  10. AD 50-31-01 Inspection of Fin Spar

    How to remove the fin for spar inspection, and required replacement parts if failure exists.