SB-910A Piper PA-18/PA-19 Wing Lift Strut Assembly Inspection Interval

Piper Service Bulletin No. 910A


  • PA-18/18A Super Cub serial numbers 18-1 through 18-8309025, 1809001 through 1809032, 1809034 through 1809040
  • NOTE: Includes all serial numbers L-21A, L-21B and L-18, seaplane, agricultural and military versions
  • PA-19 Super Cub serial numbers 19-1, 19-2 and 19-3

System: Wing

Issue Date: October 10, 1989

Subject: Wing Lift Strut Assembly Inspection/Replacement

Summary: The compliance time for inspection of lift strut assemblies is changed from every 5 years to every 12 months.

Open PDF: PIP_SB910A.pdf