Updated Articles

  1. SL-136A Piper PA-20/PA-22 Fuel Line Chafing and Fuel Valve Operation

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Inspection of the aluminum fuel lines forward of the fuel valve.

  2. SL-131 Piper Muffler Tailpipe Inspection

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-11
    Inspecting the entire muffler assembly and tailpipe for cracks in PA-11 aircraft.

  3. SL-129 Piper PA-15/PA-17 Inspection of Landing Gear Shock Strut Fittings

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-15/17
    Inspection of upper and lower shock strut end fitting attachment bolts for excessive tightness.

  4. SL-114 Piper PA-16 Top Cowl Rivets

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-16
    Inspection of the hinge assembly and correction of rivet fatigue.

  5. SL-113 Piper PA-12 Landing Gear Vees

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Recommended parts for reinforcing the landing gear on all of the PA-12 airplanes in the field.

  6. SL-110 Piper PA-12 Carburetor Air Box Replacement Kit

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    A kit is now available to provide replacement of the standard PA-12 Carburetor Air Box with a Ram-type Box which improves the efficiency of the engine operation and a higher rate of climb.

  7. SL-109 Piper Winter Operation Recommendations

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Recommended modifications for winter operations of Piper J-3, PA-11 and PA-12 aircraft.

  8. SL-100 Piper J-3 Tie Rod Nipples

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Due to 8-36 Type A tie rod nipples becoming impossible to obtain at a reasonable price, we have made arrangements whereby a conversion can be made using 10-32 instead of 8-36 tie rods and nipples.

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

    Last Updated: 12/14/2021 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.

  10. SB P-2 Univair Inspection of Landing Gear Hydrasorb Shock Struts

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-25
    Procedure for examining both left and right Univair hydrasorb (U486-604-1) for any possible cracks or irregularities.
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