SB-522 Piper Wing Fuel Tank Cap Modification

Piper Service Bulletin No. 522

Applicability: Piper PA-11, PA-12, PA-14, PA-16, PA-18, PA-20, PA-22

System: Fuel

Issue Date: September 28, 1976

Subject: Wing Fuel Tank Cap Modification

Summary: Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.

Open PDF: PIP_SB522.pdf