SB-123 Piper PA-20/PA-22 Front Spar Interference

Piper Service Bulletin No. 123

Applicability: All Piper PA-20 and PA-22

System: Wings

Issue Date: May 7, 1954

Subject: Front Spar Interference

Summary: Inspection to determine if there is interference between the inboard end of the front spar web and the aileron pulley attachment bolt in the area of the front wing hinge fitting.

Open PDF: PIP_SB123.pdf