SB-1026 Piper Inspection of Dry Air Pump Flexible Couplings

Piper Service Bulletin No. 1026

Applicability: Piper PA-18 thru PA-44 (see Service Bulletin for serial numbers affected)

System: Engine

Issue Date: July 10, 1998

Subject: Inspection/Replacement of Dry Air Pump Flexible Couplings

Summary: A condition exists where the flexible coupling connecting the vacuum pump may fail prematurely, causing a loss of vacuum/pressure with the resultant loss of vacuum/pressure instruments and other appliances.

Open PDF: PIP_SB1026.pdf