SB-71 Piper J-3/J-4/J-5 Exhaust Muffler Inspection and Repair

Piper Service Bulletin No. 71

Applicability: Piper J-3, J-4 and J-5 Series airplanes with exhaust mufflers

System: Exhaust

Issue Date: February 20, 1946

Subject: Exhaust Muffler Inspection and Repair

Summary: Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.

Open PDF: PIP_SB71.pdf