SB-163A Piper PA-20/PA-22 Fusing of Cigar Lighter Circuit

Piper Service Bulletin No. 163A

Applicability:

  • PA-20 serial numbers 20-1 thru 20-1121 
  • PA-22 serial numbers 22-1 thru 22-6011, 22-6013 thru 22-6036, 22-6038 thru 22-6048, 22-6050 thru 22-6053, 22-6056, 22-6058 thru 22-6064, 22-6066, 22-6067, 22-6071 thru 22-6073, 22-6079, 22-6080, 22-6082, 22-6084 and 22-6087

System: Electrical

Issue Date: July 7, 1958

Subject: Fusing of Cigar Lighter Circuit

Summary: 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.

Open PDF: PIP_SB163A.pdf