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

Piper Service Letter No. 136A

Applicability:

  • Piper PA-20 serial numbers 20-1 thru 20-923 
  • Piper PA-22 serial numbers 22-1 thru 22-775

System: Fuel

Issue Date: September 2, 1952

Subject: Fuel Line Chafing and Fuel Valve Operation

Summary: Inspection of the aluminum fuel lines forward of the fuel valve.

Open PDF: PIP_SL136A.pdf